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Showing 1 – 50 of 156 results.
Curated

ABC News/USA Today/KFF Poll, September 2006 (ICPSR 4666)

Released/updated on: 2007-10-30
Geographic coverage: United States
This poll, conducted September 7-12, 2006, is part of a continuing series of monthly polls that solicit public opinion on various political and social issues. Respondents were asked which issues would be most important in their vote for Congress later that year, which party they trusted more to handle health care issues, how satisfactory the quality and total cost of health care was, and whether or not the number of Americans without insurance was a critical problem. Information was collected on the status of the respondents' own health insurance, including whether they were insured or not, what type of insurance they had, and how long they had been uninsured. Views were sought on whether health care premiums had been rising, why they were rising, how it had affected their household, and how job loss would affect the status and cost of health insurance. A series of questions asked whether new treatments should always be covered, whether efforts should go toward reducing health care costs or reducing the number of Americans without insurance, and whether there should be a universal health insurance program. The respondents rated the effectiveness of the current health insurance system, and they were asked under what conditions a universal health insurance program would be supported. They were also asked their opinions on whether or not employers should be obligated to provide coverage, and whether tax breaks should be offered to companies. Additional topics addressed terminally ill patients and the expense of keeping them alive. Demographic variables include sex, age, race, education level, household income, political party affiliation, political philosophy, employment status, and marital status.
Curated

Advance Directives Among Community-Dwelling Stroke Survivors, Maryland, 2021 (ICPSR 38968)

Released/updated on: 2025-11-13
Geographic coverage: United States, Maryland
This study sought to identify determinates of advanced directives made by stroke survivors through a cross-sectional survey in the state of Maryland. Adult community-dwelling stroke survivors living in Maryland were surveyed on advance directives, palliative care knowledge, and attitudes towards life-sustaining treatments. Age, prior advance care planning discussion with a physician, palliative care knowledge, and attitudes towards life-sustaining treatments were independently associated with advance directives.
Curated
Restricted

Age at Child Obsessive-Compulsive Disorder Onset, 2014 (ICPSR 36232)

Released/updated on: 2015-07-15
Geographic coverage: Global
Obsessive-compulsive disorder (OCD), which involves obsessional thoughts and compulsive actions performed in response to those thoughts, is an anxiety disorder that affects many children. An important question is whether early-onset OCD should be viewed as a special type of OCD, one that it has different characteristics than later-onset OCD. If so, individuals with early-onset OCD might respond differently to treatments. Consequently, the age of children at OCD onset was a focus of this study. Past researchers have reported that early age at onset is linked to more severe symptoms and that more males than females have the early-onset type of OCD. As such, we predicted that males would develop the disorder earlier than females and therefore experience more severe OCD symptoms. We used an online survey to recruit parents and caregivers of children with OCD from countries with large English-speaking populations. Girls and boys did not differ significantly in the severity of symptoms, nor was the severity of their symptoms predicted by the age at which their OCD symptoms first appeared. However, poorer family functioning was associated with greater OCD symptom severity. The role of family functioning in child OCD has been little studied, so future research should attend to the relation between family functioning and the development and severity of OCD symptoms in children.
Curated
Simple Crosstabs

Behavioral Risk Factor Surveillance System (BRFSS), 2003 (ICPSR 34085)

Released/updated on: 2013-08-05
Geographic coverage: Oregon, Vermont, Puerto Rico, Indiana, United States, Oklahoma, Maine, Utah, Nebraska, West Virginia, Massachusetts, North Dakota, Wisconsin, Arizona, Nevada, District of Columbia, Rhode Island, Montana, Hawaii, Kansas, New York (state), New Jersey, Michigan, Iowa, New Mexico, Illinois, Texas, Connecticut, New Hampshire, Louisiana, Ohio, Georgia, Virginia, Maryland
The Behavioral Risk Factor Surveillance System (BRFSS) is a state-based system of health surveys that collects information on health risk behaviors, preventive health practices, and health care access primarily related to chronic disease and injury. For many states, the BRFSS is the only available source of timely, accurate data on health-related behaviors. BRFSS was established in 1984 by the Centers for Disease Control and Prevention (CDC); currently data are collected monthly in all 50 states, the District of Columbia, Puerto Rico, the United States Virgin Islands, and Guam. More than 350,000 adults are interviewed each year, making the BRFSS the largest telephone health survey in the world. States use BRFSS data to identify emerging health problems, establish and track health objectives, and develop and evaluate public health policies and programs. The BRFSS is a cross-sectional telephone survey conducted by state health departments with technical and methodologic assistance provided by CDC. States conduct monthly telephone surveillance using a standardized questionnaire to determine the distribution of risk behaviors and health practices among adults. Responses are forwarded to CDC, where the monthly data are aggregated for each state, returned with standard tabulations, and published at the year's end by each state. The BRFSS questionnaire was developed jointly by CDC's Behavioral Surveillance Branch (BSB) and the states. When combined with mortality and morbidity statistics, these data enable public health officials to establish policies and priorities and to initiate and assess health promotion strategies.
Curated

Behavioral Risk Factor Surveillance System (BRFSS) Asthma Call-Back Survey, 2009 (ICPSR 34300)

Released/updated on: 2012-08-09
Geographic coverage: North Carolina, Oregon, Vermont, Puerto Rico, Indiana, United States, Oklahoma, Maine, Utah, Washington, Nebraska, West Virginia, Massachusetts, North Dakota, Wisconsin, Arizona, Nevada, District of Columbia, Rhode Island, Montana, Hawaii, California, Kansas, Florida, New York (state), New Jersey, Michigan, Iowa, New Mexico, Illinois, Texas, Connecticut, New Hampshire, Louisiana, Ohio, Georgia, Virginia, Maryland

Asthma is one of the nation's most common and costly chronic conditions, affecting over 38 million Americans at some time in their lives. Managing asthma requires a long term, multifaceted approach, including patient education, behavior changes, asthma trigger avoidance, pharmacological therapy, and frequent medical follow-up. This study provides asthma data available at the state and local level to direct and evaluate interventions undertaken by asthma control programs located in the state health departments. Improved tracking for asthma is critical for planning and evaluating efforts to reduce the health burden from the disease.

The Behavioral Risk Factor Surveillance System (BRFSS) is a state-based system of health surveys that collects information on health risk behaviors, preventive health practices, and health care access primarily related to chronic disease and injury. For many states, the BRFSS is the only available source of timely, accurate data on health-related behaviors. BRFSS was established in 1984 by the Centers for Disease Control and Prevention (CDC); currently data are collected monthly in all 50 states, the District of Columbia, Puerto Rico, the United States Virgin Islands, and Guam. More than 350,000 adults are interviewed each year, making the BRFSS the largest telephone health survey in the world. States use BRFSS data to identify emerging health problems, establish and track health objectives, and develop and evaluate public health policies and programs. The BRFSS is a cross-sectional telephone survey conducted by state health departments with technical and methodological assistance provided by CDC. States conduct monthly telephone surveillance using a standardized questionnaire to determine the distribution of risk behaviors and health practices among adults. Responses are forwarded to CDC, where the monthly data are aggregated for each state, returned with standard tabulations, and published at the year's end by each state. The BRFSS questionnaire was developed jointly by CDC's Behavioral Surveillance Branch (BSB) and the states. Data derived from the questionnaire provide health departments, public health officials, and policymakers with necessary behavioral information. When combined with mortality and morbidity statistics, these data enable public health officials to establish policies and priorities and to initiate and assess health promotion strategies. Demographic variables include race, age, sex, education level, marital status, employment status, and income level.

Curated

Better Rehabilitation Through Better Characterization of Treatments: Development of the Manual for Rehabilitation Treatment Specification [Methods Study], United States, 2014-2018 (ICPSR 39571)

Released/updated on: 2025-11-24
Geographic coverage: United States
Time period: 2014-01-01--2018-01-01

Many people have health problems that affect how well they can do normal activities, either for a short time or for their lifetime. These problems may be present from birth or result from illness, injury, or aging. Rehabilitation, or rehab, can help patients regain the ability to do normal activities. Rehab providers include doctors, nurses, psychologists, and physical, occupational, speech, or language therapists.

Rehab treatments often lack a common definition. Rehab providers often name treatments by the type of professional who delivers them or the problem they treat, rather than by the content of the treatment. Also, treatments can vary across rehab providers. Using a standard way to define rehab treatments may help researchers compare these treatments.

In this study, the research team created and tested a manual to help rehab providers use standard ways to define rehab treatments.

Curated

Building Infrastructure for Comparative Effectiveness Protocols (BICEP), 2002-2012 [Connecticut] (ICPSR 34447)

Released/updated on: 2013-11-11
Geographic coverage: United States, Connecticut
Time period: 2002-01-01--2012-01-01

CCPC's long term vision is to use pragmatic comparative effectiveness methods, linked to an extensive primary care practice data repository, to establish evidence about best practices for complex real world patients and deliver appropriate, real-time decision support at point of service for primary care practitioners (PCPs) in a way that will account for individualized management of conditions and choice of treatments in order to provide optimal care.

The primary aim of BICEP was to advance analytical methods of observational Comparative Effectiveness Research (CER) to support evidentiary needs of primary care practitioners in answering important questions related to care of patient populations with Multiple Complex Conditions (MCCs).

The secondary aim of BICEP was to conduct a pilot study to demonstrate the feasibility and value of using the analytic methods for conducting CER among complex patients.

BICEP sought to answer the following clinical research questions: In adults with Type 2 Diabetes Mellitus (T2DM) coupled with additional chronic diseases,

  1. What is the comparative effectiveness of T2DM medications in achieving glycemic control?
  2. What is the comparative effectiveness of T2DM medications on intermediate outcomes, adverse events, side effects, tolerability?
  3. Does the effectiveness and safety of the diabetic treatment options differ across subgroups of patients based on patient demographic characteristics, complex co-morbidities, or the use of other concurrent therapies?
Curated

Case Classification for Juvenile Corrections: Evaluation of the Youth Level of Service Inventory in Ohio, 1998-2001 (ICPSR 3965)

Released/updated on: 2006-03-30
Geographic coverage: United States, Ohio
This study assessed the effectiveness of the Youth Level of Service/Case Management Inventory (YLS/CMI or Y-LSI). The Y-LSI is an instrument for classifying juvenile offender risk of recidivism and for identifying areas of treatment need that, if addressed, will result in a reduced risk of recidivism. Three juvenile correction agencies in Ohio that used the Y-LSI for case classification were the settings for this study. Data in Part 1 were collected on 1,679 youths received in the three correctional settings between July 1, 1998, and June 30, 1999. Youths' files were reviewed to complete the data collection instruments. These files contained demographic and background information, Y-LSI assessments, and information relating to treatment and service referrals, completion of programming, and supervision outcome. One year after the initial Y-LSI assessments, reassessment data were collected on youths. Reassessments were completed on youth at the time of program completion or one year after the initial assessment. Supervision outcome data were collected two years after the initial data collection. Data in Part 2 were collected in 2001 through a survey of 196 agency staff members on their reactions to the use of the Y-LSI as a classification instrument.
Curated

Causal Analyses of Electronic Health Record Data for Assessing the Comparative Effectiveness of Treatment Regimens [Methods Study], United States, 2014-2019 (ICPSR 39581)

Released/updated on: 2025-11-11
Geographic coverage: United States
Time period: 2014-01-01--2019-01-01

Patients with chronic health problems, such as diabetes, often need to change treatment plans over time to improve their health. To help with this process, doctors can monitor patients' health through follow-up clinic visits and lab tests. Doctors may also suggest changing a treatment plan in response to visits or lab test results. When a treatment plan changes in this way, it's called a dynamic treatment plan. In this study, the research team developed and tested new statistical methods to learn how dynamic treatment plans and choices about follow-up care affect patients' health. These methods use electronic health records, or EHRs. Using EHRs is helpful because they have data on

  • What treatments patients have received over time
  • How treatments have affected patients' health
  • Follow-up information such as lab test results

But the data may differ for patients based on when and why they go to the doctor. These differences make it hard for researchers to accurately know the effect of dynamic treatment plans across many patients.

To access the methods and software, please visit the simcasual R Package.

Curated

Causal Inference for Effectiveness Research in Using Secondary Data [Methods Study], 2013-2018 (ICPSR 39521)

Released/updated on: 2025-10-14
Time period: 2013-01-01--2018-01-01

Comparative effectiveness research compares two or more treatments to see which one works better for which patients. Electronic healthcare data are useful for this type of research. These data come from medical records and insurance claims. The data include information about how well patients respond to treatments. But many things--not just treatments--affect whether a patient's health improves.

How well a patient responds to a treatment may depend on the patient's age or what medicines the patient takes. It could also depend on what other health problems a patient has and how severe those problems are. Or a doctor may suggest one treatment instead of another because of a patient's personal situation and health. Researchers need ways to determine whether changes in a patient's health result from a certain treatment or something else.

Different statistical methods help researchers account for the various things that can affect treatment results. But researchers don't know which methods work best. This study compared several methods. The team looked at how well the methods worked to predict patients' responses to treatment, taking into account their personal situations and health. The team then created a computer program to help researchers use the methods.

To access the methods and software, please visit the Hdps GitHub and TargetedLearning GitHub.

Curated

Chicago Male Drug Use and Health Survey (MSM Supplement), 2002-2003 (ICPSR 34303)

Released/updated on: 2012-08-01
Geographic coverage: United States, Chicago, Illinois
Time period: 2002-09-01--2003-01-01
In recent years, club drugs such as MDMA, Ketamine, GHB, and Rohypnol have emerged as major drugs of abuse. The national and local Chicago news media have publicized law enforcement actions and adverse health outcomes, including fatalities, related to the abuse of these substances. Media accounts and a limited body of research have identified use of these substances as prevalent in the gay male community. This prevalence coincides with recent increases in HIV seropositive incidence. There is a clear need for a more comprehensive understanding of the prevalence of club drug use in the general population, and particularly in the subgroup of sexually active gay men. Noting these research gaps and their considerable adverse public health implications, this supplemental study was designed to apply an expanded protocol developed from an earlier study conducted (Feasibility and Use of Biological Measurement in Drug Surveys; R01DA12425, SRL Study #860) to a sample of gay men in the city of Chicago (Michael Fendrich, Principal Investigator). This study evaluated whether findings regarding the feasibility and use of drug testing in drug surveys derived from general population samples are generalizable to a probability sample of 216 gay men in the city of Chicago. For this project, a supplemental module was added to the main study survey that asked detailed questions about involvement in the gay community, risky sexual activity and HIV seropositivity. The scope of biological measurement was also expanded to incorporate testing for Rohypnol and Ketamine in hair (MDMA was already being tested as part of the general sample hair screen). The dataset contains 676 variables.
Curated

Classification of Rapists in Massachusetts, 1980-1990 (ICPSR 9976)

Released/updated on: 1995-03-27
Geographic coverage: United States, Massachusetts
Time period: 1980-01-01--1990-01-01
The purpose of this study was to apply the latest version of a typological system for rapists (MTC:R3) developed at the Massachusetts Treatment Center for Sexually Dangerous Persons (MTC) to a large sample of offenders currently or previously incarcerated at MTC and to examine the system's reliability and concurrent and predictive validity. Data are available from two of the project's components. In the first component, 201 rapists who were committed to MTC between 1958 and 1981 were classified. This sample was used to revise the previous classification system (R2), upon which the development of the current system rests. Of these 201 men, 94 were in residence at the time of the study and 107 had been released. The second component classified a sample of 54 rapists who were committed after 1981. This sample was not used to develop the criteria for the typology. As an overview, this project had two missions: (1) to subtype about 250 rapists using MTC:R3 criteria, and (2) to utilize an archivally-derived database to examine the concurrent and predictive validity of the system. In addition to the subtype assignments, the primary source of data was the detailed institutional files that were used to code a 1,500-variable questionnaire.
Curated

Cognitive Behavioral Interventions and Misconduct Behind Bars: A Randomized Control Trial of Cognitive Behavioral Interventions Core Curriculum (CBI-CC), Delaware, 2019-2023 (ICPSR 39035)

Released/updated on: 2025-04-29
Geographic coverage: United States, Delaware
Time period: 2019-08-01--2023-09-01

Institutional misconduct, especially violent misconduct, poses a problem for all prisons. To address the misconduct concern, this study tested whether an evidence-based, cognitive behavioral treatment (CBT) program would reduce misconduct, including incidents of violent misconduct, and post-release arrests compared to non or less intensive CBT programming. The Delaware Department of Correction (DOC) implemented CBT-based programs in their institutions, which included the Cognitive Behavioral Interventions - Core Curriculum (CBI-CC) developed at the University of Cincinnati. The three programs addressed in this study include Thinking Things Through (TTT), Road to Recovery (R2R), and Reflections. TTT consisted of the instruments and materials of the CBI-CC, whereas R2R and Reflections focused on CBT skills and techniques. The Center for Drug and Health Studies (CDHS) in collaboration with DOC evaluated the impact of the program using administrative records and surveys with program participants.

Results indicated that all treatment groups performed better than the control group in terms of rearrest and incarceration. The group who received the intensive CBT treatment performed significantly better than all other groups. Intensive CBT treatment was thus effective in reducing recidivism. In terms of CBI-CC programming, participants had the highest rates of misconduct but saw a significant decrease after completing programming. In addition, both R2R and TTT have the lowest rates of rearrest after completing treatment programming compared to all other groups. This can be credited to the length and intensity of programming, as well CBT implemented within the programs.

Curated
Restricted

Collaborative National Network Examining Comparative Effectiveness Trials (CoNNECT) in 12 U.S. States, August 2010-July 2012 (ICPSR 34672)

Released/updated on: 2013-09-08
Geographic coverage: North Carolina, Vermont, United States, Minnesota, New York (state), Arkansas, New Jersey, Pennsylvania, Illinois, Texas, Colorado, Missouri, Virginia
Time period: 2010-08-01--2012-07-01

Purpose. The CoNNECT Project enables comparative effectiveness research on mental health, behavioral health, and substance use in primary care. CoNNECT tracked two main elements: (1) the number of patients identified with a comorbid mental health and physical health diagnosis; (2) the number of patients who initiate treatment secondary to a mental health diagnosis. CoNNECT created the capacity to build a base for mental health in primary care comparative effectiveness research using electronic connectivity to generate retrospective and in time prospective clinical data.

Data Access. CoNNECT data are not available from ICPSR. The data from this study are hosted at DARTNet.

Curated

Comparing Two Ways to Manage Symptoms for Patients Who Have Chronic Migraine and Frequent Medication Use (The MOTS Trial), United States, 2017-2020 (ICPSR 38546)

Released/updated on: 2022-12-14
Geographic coverage: United States
Time period: 2017-02-20--2020-12-22
The Medication Overuse Treatment Strategy (MOTS) research trial sought to understand the relationship between individuals who suffer from chronic migraines and their use (or overuse) of medications to treat their migraines. A diagnosis of chronic migraines means that a person experiences headaches on 15 days or more per month with at least 8 of those days meeting the diagnostic criteria for migraine with or without aura. Of the nearly 7 million individuals in the United States who suffer from chronic migraines more than half of them overuse medication intended to relieve the symptoms. However, that overuse can bring about other medical issues. This research trial enrolled 720 chronic migraine sufferers from 34 clinics across the country. The subjects were randomized into two groups. A total of 361 patients were randomized to the treatment strategy that included migraine-preventive therapy with switching off the overused medication to an alternative used with a limited frequency, while 359 patients were randomized to migraine-preventive medication with continuation of the overused medication with no maximum limit.
Curated

Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA), United States, 2016-2020 (ICPSR 38541)

Released/updated on: 2022-11-14
Geographic coverage: United States
Time period: 2016-05-03--2021-06-21

Antibiotics are considered a feasible treatment for appendicitis, yet appendectomy remains the treatment standard in the United States. Previous randomized trials comparing these treatments excluded important subgroups and recruited small sample sizes but questions remain about the applicability of these previous findings. This study conducted the Comparison of Outcomes of antibiotic Drugs and Appendectomy (CODA) randomized clinical trial to compare antibiotics with appendectomy among adults with appendicitis, including those with appendicolith. Those recruited comprised a diverse population, compared an overall measure of health status as the primary outcome, and included several secondary clinical and patient-reported outcomes, complications, and measures of healthcare utilization.

Curated

Comprehensive Post-Acute Stroke Services (COMPASS) Study, North Carolina, 2016-2018 (ICPSR 38185)

Released/updated on: 2021-10-07
Geographic coverage: North Carolina, United States
Time period: 2016-07-01--2018-03-31

The Comprehensive Post-Acute Stroke Services (COMPASS) Study is a pragmatic cluster-randomized clinical trial that evaluated the real-world effectiveness of the COMPASS transitional care (COMPASS-TC) model compared to usual care among adult stroke and transient ischemic attack (TIA) patients discharged home between 2016 and 2018. In Phase 1, 40 North Carolina hospital units were randomized 1:1 to the COMPASS-TC intervention or usual care, stratified by stroke patient volume and stroke center certification. In Phase 2, hospitals randomized to usual care crossed over to implement COMPASS-TC, and hospitals randomized to the intervention sustained COMPASS-TC. The intervention was patient-centered and assessed social and functional determinates of health to inform individualized care plans for secondary prevention, recovery, and referrals to services and community-based resources. COMPASS-TC was consistent with Centers for Medicare and Medicaid Services (CMS) TC management reimbursement requirements.

The primary outcome was functional status (Stroke Impact Scale-16; SIS-16) at 90 days; secondary outcomes were mortality, disability, medication adherence, depression, cognition, self-rated health, fatigue, care satisfaction, home blood pressure monitoring, falls, and caregiver strain. Telephone interviewers, blinded to treatment assignment, assessed these outcomes at 90 days.

Curated

Cooperative Agreement for AIDS Community-Based Outreach/Intervention Research Program, 1992-1998: [United States] (ICPSR 3023)

Released/updated on: 2008-10-23
Geographic coverage: United States
Time period: 1992-01-01--1998-01-01
The purpose of the Cooperative Agreement (CA) Research Program was to monitor risk factors, risk behaviors, and rates of HIV seroprevalence and seroincidence among out-of-treatment, multi-ethnic/racial injection drug users and crack cocaine users. The program evaluated the efficacy of experimental interventions designed to prevent, eliminate, or reduce HIV risk behaviors and developed new treatment interventions. All participants received the standard intervention, which consisted of street-based outreach and HIV prevention counseling. Those assigned to enhanced interventions received more counseling sessions, educational videos, social gatherings, and support group activities. The public-use data file contains 31,088 respondent records, collected from 21 CA program facilities in the United States and one facility each in Puerto Rico and Brazil. Hence, the process data file contains 23 records of facility information that can be linked to individual respondents. Respondent interviews include a baseline Risk Behavior Assessment (completed prior to first intervention) and a Follow-Up Assessment, conducted either three months or six months after the baseline survey. Respondent data were augmented with eligibility information, biological markers of drug use, HIV test results, and intervention assignment. At baseline and post-intervention, the surveys measured drug use and drug treatment, sexual activity and sex for money/drugs, arrests, work/income, HIV/STD/pregnancy status, perceptions of risk, and risk reduction behaviors. The process questionnaires were completed by staff or principal investigators at the 23 site locations. Process data describe the program structure and process, other intervention projects in the community, needle exchange programs and pharmacy syringe sales, and local HIV infection rates. Drugs reported on include alcohol, marijuana/hashish, crack/cocaine, heroin (including speedball), non-prescription methadone, other opiates, and amphetamines.
Curated

Developing a Taxonomy To Understand and Measure Outcomes of Success in Community-Based Elder Mistreatment Interventions, New York City, New York, 2018-2019 (ICPSR 37955)

Released/updated on: 2022-06-29
Geographic coverage: New York City, Queens, United States, Brooklyn, New York (state), Manhattan (New York City)
Time period: 2018-01-01--2019-01-01

Research tools available to help advance knowledge of effective community-based elder mistreatment (EM) interventions are limited. The field lacks an understanding of what success means in EM response program (EMRP) interventions, which work directly with victims to reduce the risk of re-victimization. Without establishing indicators of EMRP success, it is not possible to develop valid intervention outcome measures to compare different EMRP models toward the development of evidence-based practice. Informed by the EMRP practice principle of older adult self-determination, this study developed a victim-centric taxonomy of case outcomes that indicate EMRP success.

This study drew on two sources of data, including interviews with EM victims and a scoping review to inform taxonomy development. Prioritizing the perspective of victims, this study conducted interviews with 27 victims involved in EMRP services who vary in EM subtype, gender, and race/ethnicity.

The taxonomy of successful EMRP outcomes will serve as important research infrastructure to support the development of EMRP intervention outcome measurement in future research.

Curated

Discontinuation of Disease Modifying Therapies (DMTs) in Multiple Sclerosis (MS), United States, 2017-2020 (ICPSR 39186)

Released/updated on: 2025-07-01
Geographic coverage: United States
Time period: 2017-01-01--2020-01-01
This study was a multicenter, randomized, controlled, rater-blinded, phase 4, non-inferiority trial. Individuals with multiple sclerosis of any subtype, 55 years or older, with no relapse within the past 5 years or new MRI lesion in the past 3 years while continuously taking an approved disease-modifying therapy were enrolled at 19 multiple sclerosis centers in the USA. Participants were randomly assigned (1:1 by site) with an interactive response technology system to either continue or discontinue disease-modifying therapy. Relapse assessors and MRI readers were masked to patient assignment; patients and treating investigators were not masked. The primary outcome was percentage of individuals with a new disease event, defined as a multiple sclerosis relapse or a new or expanding T2 brain MRI lesion, over 2 years. The study assessed whether discontinuation of disease-modifying therapy was non-inferior to continuation using a non-inferiority, intention-to-treat analysis of all randomly assigned patients, with a predefined non-inferiority margin of 8%.
Curated
Restricted

Documentation of Resident to Resident Elder Mistreatment in Residential Care Facilities, New York City, 2009-2013 (ICPSR 35649)

Released/updated on: 2017-06-29
Geographic coverage: New York City, United States, New York (state)
Time period: 2009-07-01--2013-03-01

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The purpose of this study was to investigate violence and aggression committed by nursing home residents that is directed toward other residents, referred to here as resident-to-resident elder mistreatment (R-REM). Resident-to-resident mistreatment (R-REM) was defined as: negative and aggressive physical, sexual, or verbal interactions between long term care residents, that in a community setting would likely be construed as unwelcome and have high potential to cause physical or psychological distress in the recipient.

The goals of this project were to: enhance institutional recognition of R-REM; examine the convergence of R-REM reports across different methodologies; identify the most accurate mechanism for detecting and reporting R-REM; develop profiles of persons involved with R-REM by reporting source; investigate existing R-REM policies, and; develop institutional guidelines for reporting R-REM episodes. Also, the project team sought to answer the following research questions: (1) Will the reporting of R-REM differ by source? (2) Which reporting methods will show the highest level of convergence and accuracy in reporting? (3) What resident characteristics or profiles will predict R-REM across the differing reporting sources? (4) What are the existing guidelines and/or institutional policies for reporting R-REM? To achieve these goals, the researcher conducted this study over a two week period in five urban and five suburban New York City facilities. Resident-to-resident abuse information was derived from five sources: (1) resident interviews (2) staff informants (3) observational data (behavior sheets) (4) resident chart reviews (5) incident and accident reports.

Curated

Domestic Violence Experience in Omaha, Nebraska, 1986-1987 (ICPSR 9481)

Released/updated on: 2006-07-24
Geographic coverage: Omaha, United States, Nebraska
Time period: 1986-01-01--1987-01-01
The purpose of this data collection was to corroborate the findings of SPECIFIC DETERRENT EFFECTS OF ARREST FOR DOMESTIC ASSAULT: MINNEAPOLIS, 1981-1982 (ICPSR 8250) that arrest is an effective deterrent against continued domestic assaults. The data addressed the following questions: (1) To what extent does arrest decrease the likelihood of continued violence, as assessed by the victim? (2) To what extent does arrest decrease the likelihood of continued complaints of crime, as assessed by police records? (3) What are the differences in arrest recidivism between cases that involved arrest versus cases that involved mediation, separation, warrant issued, or no warrant issued? Domestic violence cases in three sectors of Omaha, Nebraska, meeting established eligibility criteria, were assigned to one of five experimental treatments: mediation, separation, arrest, warrant issued, or no warrant issued. Data for victim reports were collected from three interviews with the victims conducted one week, six months, and 12 months after the domestic violence incident. Arrest, charge, and complaint data were collected on the suspects at six- and twelve-month intervals following the original domestic violence incident. The investigators used arrest recidivism, continued complaints of crime, and victim reports of repeated violence (fear of injury, pushing/hitting, and physical injury) as outcome measures to assess the extent to which treatments prevented subsequent conflicts. Other variables include victim's level of fear, self-esteem, locus of control, and welfare dependency, changes in the relationship between suspect and victim, extent of the victim's injury, and extent of drug use by the victim and the suspect. Demographic variables include race, age, sex, income, occupational status, and marital status.
Curated

Domestic Violence Experiment in King's County (Brooklyn), New York, 1995-1997 (ICPSR 4307)

Released/updated on: 2006-08-01
Geographic coverage: United States, Brooklyn, New York (state)
Time period: 1995-02-01--1997-09-01
The researchers sought to add to the incipient literature on randomized studies of batterer treatment, by conducting an experimental study that compared batterers assigned to treatment to batterers assigned to a community service program irrelevant to the problem of violence. The study was conducted using a true experimental design and consisted of 376 spousal assault cases drawn from the Kings County (New York) Criminal Court which were adjudicated between February 19, 1995, and March 1, 1996. Batterers were mandated to attend a 40-hour batterer treatment program or to complete 40 hours of community service. The random assignment was made at sentencing, after all parties (judge, prosecutor, and defense) had agreed that batterer treatment was appropriate, the defendant agreed to treatment and was accepted by the Alternatives to Violence (ATV) program, and the program was available based on the random assignment process. Interviews were also conducted with both the batterer and the victim at sentencing as well as 6 months post-sentence and 12 months post-sentence. These interviews collected data in areas regarding demographics (first interview only), recidivism, beliefs about domestic violence, conflict management strategies, locus of control, and for victims, self esteem. Administrative records were also used to obtain data regarding any new crimes committed.
Curated

Do Older Adults Know Their Spouses' End-of-Life Treatment Preferences? (ICPSR 25701)

Released/updated on: 2009-06-23
Geographic coverage: United States
When terminally ill patients become mentally incapacitated, their surrogates often make treatment decisions in collaboration with health care providers. The authors examined how surrogates' errors in reporting their spouses' preferences are affected by their gender, status as durable power of attorney for health care (DPAHC), whether they and their spouses discussed end-of-life preferences, and their spouses' health status. Structural equation models were applied to data from married couples in their mid-60s from the 2004 wave of the Wisconsin Longitudinal Study. Surrogates reported their spouses' preferences incorrectly 13 percent and 26 percent of the time in end-of-life scenarios involving cognitive impairment and physical pain, respectively. Surrogates projected their own preferences onto their spouses'. Similar patterns emerged regardless of surrogate gender and status as DPAHC, marital discussions about end-of-life preferences, or spousal health status. Implications for the process of surrogate decision-making and for future research are discussed.
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Effect of Prison Based Alcohol Treatment: Treatment and Recidivism Data from Montana, Ohio, and Texas, 2006-2012 (ICPSR 34928)

Released/updated on: 2017-02-03
Geographic coverage: Montana, United States, Texas, Ohio
Time period: 2006-07-01--2012-05-01, 2009-07-01--2012-09-01, 2008-03-01--2011-12-01

This study evaluated program design, quality of treatment delivery, and program effectiveness of three separate state sponsored alcohol specific treatment programs in prisons located in Montana, Ohio, and Texas from 2006 to 2012.

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Effects of Short-Term Batterer Treatment for Detained Arrestees in Sacramento County, California, 1999-2000 (ICPSR 4383)

Released/updated on: 2007-02-13
Geographic coverage: United States, California
Time period: 1999-01-01--2000-01-01
This study evaluated the effects of a program for detained arrestees developed by the Sacramento Sheriff's Department. The program was set up as an early intervention program to provide domestic violence (DV) education for arrestees during their time of detention before going to court. This evaluation used an experimental design. The researchers randomly assigned 629 batterers to either the batterer treatment wing of the jail or to a no-treatment control group in another wing of the jail. Interviews were conducted with the batterers and victims shortly after the arrest that placed the batterer in the Sacramento jail (Parts 1 and 2) and again six months after the intervention or control condition was concluded (Parts 3 and 4). Official police arrest data on recidivism were also collected post-arrest (Part 5). Interviews were conducted over the phone, except for the baseline batterer interviews that were done in the jail, and for those who were not available for interviewing, over the phone. Activities of the batterer treatment program included: mandatory detention in a special DV jail wing supervised by correction officers who had received special DV training, batterer educational workshops, daily Twelve-Step Drug/Alcohol addiction support groups, and strict regulations on television watching (special nonviolent educational programs were the only available programs). Batterer education classes were held daily, and the research team checked attendance logs. The arrestees were required at least to attend the program classes and Narcotics Anonymous/Alcoholics Anonymous groups and sit quietly. For the control group, participants were assigned to the regular part of the jail and received the usual incarceration experience of persons detained in the Sacramento County Jail (including no treatment services). Official police arrest data on recidivism were analyzed for up to one year post-arrest (Part 5). Treatment implementation data (Part 6), which records the frequency of the batterer's attendance in the various treatment programs offered in the special DV jail wing, and variables used in the analysis for the project's final report (Part 7) are also available with this collection. In addition to general demographic variables such as age, race, religion, source of income, and employment situation, specific variables are gathered for specific datasets. Variables collected in Parts 1 and 2 (Batterer and Victim Baseline Data) include information regarding whether or not the batterer was in the treatment or control group, the relationship between the batterer and victim, and types of injuries the victim received. Parts 3 and 4 (Batterer and Victim Six-Month Data) contain variables related to employment and living situation, as well as any additional assistance either party received since the arrest event. Variables in Part 5 (Tracking Database) include the date, location, and length of interviews. Part 6 (Treatment and Implementation Data) contains variables related to the different programs the batterer in the experimental group may have participated in. The variables for Part 7 (Supplemental Final Report Variables) include information about the study participants such as whether all four interviews were completed and the presence of any new domestic violence charges.
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Eurobarometer 66.2: Nuclear Energy and Safety, and Public Health Issues, October-November 2006 (ICPSR 21460)

Released/updated on: 2010-09-23
Geographic coverage: Cyprus, Portugal, Global, Malta, Greece, Netherlands, Sweden, Austria, Latvia, Luxembourg, Ireland, Poland, Slovenia, Slovakia, France, Bulgaria, Lithuania, Croatia, Romania, Hungary, Europe, United Kingdom, Spain, Czech Republic, Belgium, Finland, Denmark, Italy, Germany, Estonia
Time period: 2006-10-06--2006-11-08
This round of Eurobarometer surveys diverged from the Standard Eurobarometer measures and queried respondents on (1) nuclear energy and safety, and several public health issues including (2) electromagnetic fields, (3) alcohol and smoking habits, and passive smoking, (4) organ donation, and (5) personal state of health and prevention. For the first topic, the survey queried respondents about their knowledge of and opinions regarding nuclear power and safety, the regulation of its use, their relationship with nuclear power, and nuclear energy as an energy source. For the second topic, respondents were asked to identify sources of electromagnetic fields, potential health risks associated with electromagnetic fields, and the entities protecting them from these risks. For the third topic, respondents were asked about their alcohol consumption, the effects of price fluctuation on alcohol purchases, knowledge of blood alcohol content, and liquor control laws. In addition, respondents were queried about their smoking habits, their efforts to quit smoking, their use of tobacco cessation products, and about passive smoking and the ban of smoking in public places. For the fourth topic, respondents were asked their views about organ donation, whether they have discussed this topic with family, their willingness to donate an organ after death, and their support for and use of an organ donor card. For the final topic, personal state of health and prevention, the survey queried respondents about their general health and quality of life, current or past health problems, and the location of body pain. Respondents were also asked about treatment for chronic illness, medical tests or health checkups, and recent changes in health behavior. In addition, women responded about their opinion of and use of hormone replacement therapy. Demographic and other background information includes age, gender, origin of birth (personal and parental), marital status, left-right political self-placement, occupation, age at completion of full-time education, household composition, and ownership of a fixed or a mobile telephone and other durable goods. In addition, country-specific data include type and size of locality, region of residence, and language of interview (select countries).
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Evaluation of Special Session Domestic Violence Court Processing in Connecticut, 1999-2000 (ICPSR 3603)

Released/updated on: 2003-10-30
Geographic coverage: United States, Connecticut
Time period: 1999-01-01--2000-01-01
This study documented women's experience of enhanced services and advocacy in the context of the three special session domestic violence courts in Connecticut. The study conducted 60 in-depth interviews with women whose current or former partners were arrested for domestic violence and who appeared in one of the three special session courts. The questions were designed to elicit information from women about the meaning and context of intimate violence in their lives generally, their assessments of the risks and options available to them and their children from family, friends, and other institutions, their strategies for maximizing safety for themselves and their children, the meaning of the arrest incident in their overall experience of their relationship with their abusive partner, and the impact of the court experience on their plans, sense of options, and understanding of the abuse they had experienced.
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Expansion Research Capability to Study Comparative Effectiveness in Complex Patients, 2007-2010 [Tampa, St. Petersburg, and Clearwater, Florida] (ICPSR 34544)

Released/updated on: 2013-03-05
Geographic coverage: United States, St. Petersburg, Clearwater, Florida, Tampa
Time period: 2006-01-01--2011-01-01

Overview

The Florida Department of Health and the Florida Cancer Data System (FCDS) collaborated with a hospital network composed of nine clinical facilities, to capture electronic medical records (EMR) data of patients who were diagnosed with or treated for invasive breast cancer from 2007 to 2010. Certain hospital data elements were available throughout 2006. An additional year of 2011 follow-up data was also available for a subset of patients receiving medication treatment. The purpose of the data capture was to advance patient-centered outcomes research to reduce the morbidity and mortality of cancer and other comorbidities.

A breast cancer pilot study was also conducted from a subset of all transmitted EMR records, consisting of admission records with a principal and/or secondary ICD-9-CM diagnosis between 174.0 and 174.9. The subset dataset was then linked to the central cancer registry using patient social security number, first and last name, and date of birth. Using a deterministic matching algorithm a total of 11,506 unique patients were matched to a patient in the FCDS database, resulting in 12,804 primary tumors and 53,940 unique hospital admission records. While the hospital EMR defined the patient dataset, all registry records for that patient were included in the final breast cancer pilot database, regardless of the reporting hospital or the date of diagnosis. This was to ensure capture of the entire diagnostic and treatment profile for each breast cancer patient.

Data Access

These data are not available from ICPSR. The data contain confidential information that can directly identify a patient. There are also reporting facility data. Therefore, to obtain these data, researchers will need to follow the Florida Cancer Data System data-sharing agreement process, as outlined on the FCDS data sharing request.

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Improving the Success of Reentry Programs: Identifying the Impact of Service-Need Fit on Recidivism in 14 States, 2004-2011 (ICPSR 35610)

Released/updated on: 2017-06-29
Geographic coverage: Indiana, United States, Oklahoma, Maine, Kansas, Florida, Washington, South Carolina, Pennsylvania, Iowa, Colorado, Missouri, Ohio, Maryland, Nevada

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

This study, with assistance from the National Institute of Justice's Data Resources Program (FY2012), is a reanalysis of data from the national evaluation of the federal Serious and Violent Offender Reentry Initiative (SVORI). SVORI provided funding to 69 agencies across the United States to enhance reentry programs and coordination between corrections and community services. The national evaluation covered 16 of these sites, twelve of which provided services to the 2,054 adult ex-prisoners who are the focus of the present study.

The purpose of this study is to understand whether or not offenders receive the services they say they need, and whether the degree of 'fit' between this self-reported criminogenic need and services received is related to recidivism. This study analyzes data from the SVORI multisite evaluation to assess the potential explanations for the mixed effectiveness of reentry programs. The goal is to understand whether or not service-risk/need fit is related to successful reentry outcomes, or whether the needs of returning prisoners are unrelated to their risk of recidivism regardless of how well they are addressed. For the present study researchers obtained the SVORI (ICPSR 27101) outcome evaluation datasets from the National Archive of Criminal Justice Data (NACJD). The archive holds four separate datasets from the evaluation: Adult Males Data (Part 1, N=1,697), Adult Females Data (Part 2, N=357), Juvenile Males Data (Part 3, N=337) and official recidivism and reincarceration data (Part 4, N=35,469), which can be linked on a one-to-many basis with the individual-level data in the other three datasets. To prepare the SVORI data for analysis researchers merged Datasets 1 and 2 (Adult Males and Adult Females) and created seven separate datasets containing Waves 1 through 4 survey data, National Crime Information Center (NCIC) crime data, administrative data, and sampling weights.

This deposit to NACJD is intended to complement the existing SVORI dataset (ICPSR 27101). It contains an R syntax file to be used with the datasets contained in the ICPSR 27101 collection.

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Improving Trial Design and Analysis for Treatments for Rare Diseases [Methods Study], 2020 (ICPSR 39118)

Released/updated on: 2024-06-10

A rare disease is one that affects fewer than 200,000 people in the United States. Because few people have these diseases, clinical studies on treatments can be hard to conduct. One way to study rare disease treatments is with an small n sequential multiple assignment randomized trial (snSMART) study.

snSMART studies have two stages. In the first stage, researchers assign patients to a treatment by chance. In the second stage, patients may stay with the same treatment or switch treatments. Patients stay on the same treatment if it's working well. If the treatment isn't working, researchers assign patients by chance to a new treatment.

snSMARTs can help researchers learn more from a smaller number of patients than a standard clinical study. But most current methods for analyzing snSMARTs use data only from the first stage, which can lead to inefficient results.

In this project, the research team developed and tested new methods that use data from both stages to analyze snSMARTs. The team compared results from the new methods to actual treatment effectiveness to see:

  • Bias, or whether results are too high or too low
  • Efficiency, or how big the difference is between the results and actual treatment effectiveness

This study contains two supplementary documentation files. There is no data included in this release.

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Management of Sex Offenders by Probation and Parole Agencies in the United States, 1994 (ICPSR 6627)

Released/updated on: 2005-11-04
Geographic coverage: United States
This study examined various ways states approach and sanction sex crimes (i.e., child sexual abuse, incest, and sexual assault) and sex offenders. The aim of the study was to obtain basic information about policies and procedures of probation and parole agencies with respect to adult sex offender case management. State corrections administrators in 49 states and the District of Columbia were contacted to supply information on their states' probation and parole offices and the corresponding jurisdictions. From these offices, probation and parole supervisors at the office-management level were selected as survey respondents because of their familiarity with the day-to-day office operations. Respondents were asked about the usage of various supervision methods, such as electronic monitoring, requiring offenders on probation or parole to register with law enforcement agencies, and polygraph testing. Sanctions such as requiring the offenders to seek treatment and forbidding contact with the victim were discussed, as were various queries about the handling of the victim in the case (whether a written statement by the victim was routinely included in the offender's file, whether officers usually had contact with the victim, and whether there was a system for advising victims of status changes for the offender). Other questions focused on whether the office used specialized assessments, caseloads, programs, and policies for sex offenders that differed from those used for other offenders. Various issues regarding treatment for offenders were also examined: who chooses and pays the treatment provider, whether the agency or the court approves treatment providers, what criteria are involved in approval, and whether the office had an in-house sex offender treatment program.
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Mental Health Courts, United States, 2010-2011 (ICPSR 38269)

Released/updated on: 2022-01-27
Geographic coverage: United States
Time period: 2010-01-01--2011-01-01
This study aimed to better understand the overall experience of mental health court (MHC) and using treatment during MHC from participant perspectives. As part of a larger exploratory mixed-methods study, a sub-sample of active MHC participants took part in in-depth interviews to further discuss their experiences with the court process, court staff, treatment providers, and treatment and support services.
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Methods for Heterogeneity of Treatment Effects: Random Forest Counterfactual Machines [Methods Study], Cleveland, Ohio, 2014-2019 (ICPSR 39559)

Released/updated on: 2025-11-24
Geographic coverage: United States, Ohio, Cleveland
Time period: 2014-01-01--2019-01-01

Patients may respond differently to the same treatment due to individual traits such as age or gender. Knowing how different traits can affect a patient's response to treatment can help doctors and patients make better treatment decisions. For example, this information can help doctors know what types of cancer medicines work better for certain patients. This project focuses on improving the methods that researchers use to compare how treatments work for different patients.

In this project, the research team developed and tested a statistical method called random forests, or RF. RF is a way to analyze data using a technique called machine learning. In machine learning, computers use data to learn how to perform different tasks with little or no human input. Many types of RF methods exist. The team compared multiple RF methods to learn how well the methods would work to find out how patients with different traits respond to the same treatment.

To access the R package, please visit the randomForestSRC CRAN webpage.

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Mindful Body Awareness Training for Medication for Opioid Use Disorder (MOUD), Pacific Northwest, 2019-2024 (ICPSR 39235)

Released/updated on: 2025-06-19
Geographic coverage: United States
Time period: 2019-08-01--2024-01-31
The national opioid epidemic requires development of real-world evidence-based treatments for opioid use disorder, including adjuncts to Medication for Opioid Use Disorder (MOUD). Interventions are needed that address the complex needs of patients with opioid use disorder, which include substantial mental health co-morbidity and high rates of chronic pain. This study tested a mind-body intervention, Mindful Awareness in Body-oriented Therapy (MABT), as an adjunct to MOUD across multiple community outpatient clinical settings. MABT, a mindfulness-based intervention, addresses aspects of awareness, interoception, and regulation that may be associated with pain, mental health distress, and behavioral control that increase risk of relapse and poor treatment outcomes.
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Minneapolis Intervention Project, 1986-1987 (ICPSR 9808)

Released/updated on: 2005-11-04
Geographic coverage: Minneapolis, United States, Minnesota
Time period: 1986-01-01--1987-01-01
This collection investigates the impact of increased activity of community intervention projects on the incidence of domestic abuse. In particular, the data provide an opportunity to evaluate the impact of police actions and court-ordered abuser treatment on the continued abuse of victims. The data file includes demographic information such as victim's age, race, and sex, and perpetrator's age, birthdate, relationship to the victim, sex, and physical or mental disabilities. Other variables describe the location and description of the incident, the number and gender of victims and perpetrators, and the outcome of the police intervention, i.e., arrest or nonarrest. Interviews with victims provided information regarding previous history of police intervention for domestic abuse, specific information about the violence suffered and resulting injuries, the frequency and type of abuse suffered in the six months prior to the violent incident in question, the type of police intervention used, and the victim's satisfaction with the responses of police. In addition, the 6- and 12-month interviews contain data regarding the change in the victim's relationship status since the last interview, satisfaction with the relationship, continued abuse and criminal justice involvement, use of support services by the victim or members of the victim's family, and satisfaction with these services.
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A Model of Static and Dynamic Sex Offender Risk Assessment in Vermont, 2001-2010 (ICPSR 31782)

Released/updated on: 2014-09-04
Geographic coverage: Vermont, United States
Time period: 2001-01-01--2010-01-01

Since 2001, Vermont Department of Corrections (DOC) sex offender treatment providers and probation and parole officers have scored every adult male sex offender under community supervision on three measures of static (unchangeable) risk at intake (i.e., Static-99, RRASOR-Rapid Risk Assessment for Sex Offence Recidivism, and VASOR-Vermont Assessment of Sex Offender Risk) and one measure of dynamic (changeable) risk (i.e, SOTNPS) at intake and then every six months thereafter. This project conducted record reviews to verify the accuracy of the risk assessment scores and examined how scores on the Sex Offender Treatment Needs and Progress Scale (SOTNPS) and one or more of these static risk instruments can be combined into an overall model of risk assessment. An empirically derived decision-making model was created to assist correctional administrators, probation and parole officers, and treatment providers in allocating and delivering supervision and treatment services based on an individual's treatment needs and risk to sexually re-offend.

Three hypotheses were tested. First, it was expected that one or more static risk measures (Static-99R, Static-2002R and VASOR) would predict sexual recidivism with moderate accuracy in the sample. Second, a dynamic risk measure, Sex Offender Treatment Needs and Progress Scale (SOTNPS), or a subset of risk factors contained in this measure would also predict sexual recidivism with moderate accuracy and be sensitive to the changes in dynamic risk over time. Third, a combined static and dynamic risk measure would predict sexual recidivism more accurate than either measure alone.

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National Ambulatory Medical Care Survey, 1973 (ICPSR 9192)

Released/updated on: 2008-09-12
Geographic coverage: United States
Time period: 1973-01-01--1974-01-01
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. These national estimates describe the utilization of ambulatory medical care and the nature and treatment of illness among the population seeking ambulatory care. The survey includes data on date of visit, reason for visit, date of birth, sex and race of patient, diagnosis, treatment, disposition of visit, and the physician's specialty.
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National Ambulatory Medical Care Survey, 1975 (ICPSR 9193)

Released/updated on: 2008-09-12
Geographic coverage: United States
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. These national estimates describe the utilization of ambulatory medical care and the nature and treatment of illness among the population seeking ambulatory care. The survey includes data on date of visit, reason for visit, date of birth, sex and race of patient, diagnosis, treatment, disposition of visit, and the physician's specialty.
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National Ambulatory Medical Care Survey, 1976 (ICPSR 9194)

Released/updated on: 2008-09-12
Geographic coverage: United States
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. These national estimates describe the utilization of ambulatory medical care and the nature and treatment of illness among the population seeking ambulatory care. The survey includes data on date of visit, reason for visit, date of birth, sex and race of patient, diagnosis, treatment, disposition of visit, and the physician's specialty.
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National Ambulatory Medical Care Survey, 1977 (ICPSR 8046)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Ambulatory Medical Care Survey (NAMCS) contains data on medical care provided in physicians' offices and is a continuously sampled survey based on a nationwide sample of patient records.
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National Ambulatory Medical Care Survey, 1978 (ICPSR 8047)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Ambulatory Medical Care Survey (NAMCS) contains data on medical care provided in physicians' offices and is a continuously sampled survey based on a nationwide sample of patient records.
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National Ambulatory Medical Care Survey, 1979 (ICPSR 8048)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Ambulatory Medical Care Survey (NAMCS) contains data on medical care provided in physicians' offices and is a continuously sampled survey based on a nationwide sample of patient records.
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National Ambulatory Medical Care Survey, 1980 (ICPSR 8385)

Released/updated on: 2008-09-12
Geographic coverage: United States
Time period: 1980-01-01--1980-12-31
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. The 1980 survey contains information from approximately 46,000 patient visits to 1,870 physicians. Data are available on the patient's reason for the visit, the physician's diagnosis, and the kinds of diagnostic and therapeutic services rendered. Information is included on the physician's specialization and geographical location. Demographic information on patients, such as age, sex, race, and ethnicity, was also collected.
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National Ambulatory Medical Care Survey, 1980: Drug Mentions (ICPSR 9174)

Released/updated on: 1992-02-16
Geographic coverage: United States
This data collection is the latest in a series of surveys that offer information on patients' visits to a national sample of office-based physicians. The National Ambulatory Medical Care Surveys (NAMCS) collect information on all drugs/medications ordered, administered, or provided during the visits. In 1980 51,372 drugs were mentioned in the national sample of 46,081 patient visits. The data items include the medication code, generic name and code, brand name, entry status, prescription status, federal controlled substance status, composition status, and related ingredient codes.
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National Ambulatory Medical Care Survey, 1981 (ICPSR 8386)

Released/updated on: 2008-09-12
Geographic coverage: United States
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. The 1981 survey contains information from approximately 43,000 patient visits to 1,807 physicians. Data are available on the patient's reason for the visit, the physician's diagnosis, and the kinds of diagnostic and therapeutic services rendered. Information is included on the physician's specialization and geographical location. Demographic information on patients, such as age, sex, race, and ethnicity, was also collected.
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National Ambulatory Medical Care Survey, 1981: Drug Mentions (ICPSR 9175)

Released/updated on: 1992-02-16
Geographic coverage: United States
This data collection is the latest in a series of surveys that offer information on patients' visits to a national sample of office-based physicians. The National Ambulatory Medical Care Surveys (NAMCS) collect information on all drugs/medications ordered, administered, or provided during the visits. In 1981 45,610 drugs were mentioned in the national sample of 43,366 patient visits. The data items include the medication code, generic name and code, brand name, entry status, prescription status, federal controlled substance status, composition status, and related ingredient codes.
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National Ambulatory Medical Care Survey, 1985 (ICPSR 8902)

Released/updated on: 2008-09-15
Geographic coverage: United States
Time period: 1985-03-01--1986-02-01
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. The 1985 survey, the tenth in a series of annual surveys, contains information from approximately 2,879 physicians. Data are available on the number of office visits by the patient, the nature and length of the visits, the patient's problem, the physician's diagnosis, and the kinds of diagnostic and therapeutic services rendered. Information is also included on the physician's specialization, type of practice, and geographical location. Demographic information on patients was also collected.
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National Ambulatory Medical Care Survey, 1985: Drug Mentions (ICPSR 9096)

Released/updated on: 1992-02-16
Geographic coverage: United States
This data collection is the latest in a series of surveys that offers information on patients' visits to a national sample of office-based physicians. The National Ambulatory Medical Care Surveys collected information on all drugs/medications ordered, administered, or provided during the visits. The data items include the medication code, generic name and code, brand name, entry status, prescription status, federal controlled substance status, composition status, and related ingredient codes.
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National Ambulatory Medical Care Survey, 1989 (ICPSR 9830)

Released/updated on: 1993-02-12
Geographic coverage: United States
The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. The 1989 survey contains information from 38,384 patient visits to 1,421 physicians. Data are available on the patient's reason for the visit, the physician's diagnosis, and the kinds of diagnostic and therapeutic services rendered. Information is included on the physician's specialization and geographic location. Demographic information on patients, such as age, sex, race, and ethnicity, was also collected.