Showing 1 – 50 of 210 results.
Curated
Aging of Veterans of the Union Army: Military, Pension, and Medical Records, 1820-1940 (ICPSR 6837)
Released/updated on: 2006-06-05
Geographic coverage: Vermont, Indiana, United States, Maine, West Virginia, Massachusetts, Missouri, Wisconsin, District of Columbia, Kentucky, Minnesota, California, Kansas, Delaware, New York (state), New Jersey, Michigan, Pennsylvania, Iowa, New Mexico, Illinois, Connecticut, New Hampshire, Ohio, Maryland
Time period: 1820-01-01--1940-12-31
This data collection constitutes a portion of the historical data collected by the project "Early Indicators of Later Work Levels, Disease, and Death." With the goal of constructing datasets suitable for longitudinal analyses of factors affecting the aging process, the project is collecting military, medical, and socioeconomical data on a sample of white males mustered into the Union Army during the Civil War. The project seeks to examine the influence of environmental and host factors prior to recruitment on the health performance and survival of recruits during military service, to identify and show relationships between socioeconomic and biomedical conditions (including nutritional status) of veterans at early ages and mortality rates from diseases at middle and late ages, and to study the effects of health and pensions on labor force participation rates of veterans at ages 65 and over. This installment of the collection, Version M-5, supersedes any previous version of these data. Collected in this version are data from military service, pension, and medical records of veterans who were originally mustered into the Union Army in California, Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Vermont, West Virginia, and Wisconsin regiments. Also included are data from a 20-company pilot sample and information on recruits whose pension records were stored at the Veterans Administration (VA) Archives in Washington, DC, but had not been collected previously. Data include date and place of birth, place of residence, marital status, number of children, occupation, wealth and income, muster place and date, length of service, battles fought, medical experiences (e.g., illness, wounds, and hospital stays), health status, pension information, and date, place, and cause of death. Additional variables provide the place and date of birth of the recruits' wives, children, and parents. The data are organized into three sections according to state of enlistment. Section 1 (Parts 1, 2, 3, and 4) contains data from New England, Kansas, Missouri, Minnesota, Iowa, New Jersey, Indiana, Wisconsin, California, New Mexico, and the 20-company pilot sample. Section 2 (Parts 5, 6, 7, and 8) contains data from New York, Michigan, Washington, DC, Delaware, Kentucky, Maryland, and West Virginia, along with pensions data from the VA Archives. Section 3 (Parts 9, 10, 11, and 12) contains data from Ohio, Pennsylvania, and Illinois. The variables in Part 13, Linkage Data, indicate which major document sources were located for each recruit. Also, provided is information regarding death dates (Part 14) for individuals whose death records came from the pension payout cards. Approximate date of death was determined by examining the last record of payment to the pensioner.
The following results may be significantly less relevant compared to results above.
Curated
End-Stage Renal Disease (ESRD): Transplantation, Dialysis, and Quality of Life in Michigan, 1984-1988 (ICPSR 9393)
Released/updated on: 1992-02-17
Geographic coverage: United States, Michigan
Time period: 1984-01-01--1988-12-31
This study investigated survival rates, quality of life, and costs of four major treatments for end-stage renal disease (ESRD) patients in Michigan. The project began in 1984 and continued through 1988. The four treatments studied were in-center hemodialysis, continuous ambulatory peritoneal dialysis (CAPD), transplantation from nonrelated, nonliving donors (cadaver transplants), and transplantation from related living donors (related transplants). A major advantage for the project in relation to other large-scale research studies on ESRD patients was access to comprehensive data bases maintained by the Michigan Kidney Registry (MKR) and the Organ Procurement Agency of Michigan (OPAM) to identify the sample and provide treatment and survival data. Records on medical expenditures for treatment were obtained from the United States' Health Care Financing Administration. Data on the quality of life during treatment were collected by personal interviews with patients over the four-year span needed to accumulate the desired number of cases. The personal interview schedule included measures of subjective well-being, such as mood states, satisfaction with various aspects of life, and other widely-used scales such as Activities of Daily Living, Sickness Impact Profile, and Bradburn Affect Balance Scale. Items on standard demographics, the clinical and symptomatic picture of the disease, and the respondents' social support systems were also included in the interview.
Curated
National Hospital Ambulatory Medical Care Survey, 2007 (ICPSR 28442)
Released/updated on: 2010-06-24
Geographic coverage: United States
Time period: 2007-01-01--2007-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2007 survey, data were collected from 202 OPDs and 432 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2007, additional updates and revisions have been made to both the emergency department and outpatient department data, including modifications to pre-existing variables pertaining but not limited to electronic medical records.
Curated
National Medical Expenditure Survey, 1987: Household Survey, Disability Days and Medical Conditions [Public Use Tape 29] (ICPSR 6473)
Released/updated on: 2006-03-30
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
The National Medical Expenditure Survey (NMES) series provides information on health expenditures by or on behalf of families and individuals, the financing of these expenditures, and each person's use of services. The Household Survey was fielded over four rounds of personal and telephone interviews at four-month intervals. Baseline data on household composition, employment, and insurance characteristics were updated each quarter, and information on all uses of and expenditures for health care services and sources of payment was obtained. Public Use Tape 29 provides information on disability days and household-reported medical conditions for 1987. There are five data files in this collection. Part 1, Medical Conditions Data, contains one record for each medical condition reported by a respondent. Variables include information on whether the respondent saw or talked to a medical provider about the condition, beginning and ending dates of the condition, whether the condition was due to an accident, the body area affected by the condition, and whether the respondent or a doctor discovered the condition. In Part 2, Disability Days Data, a record represents a unique disability defined by the combination of disability type and disability period. Variables describe up to four different types of disabilities due to illness or injury that were collected over the four rounds of the interviews. The types of disabilities are work-loss days, school-loss days, bed days, and restricted-activity days. In addition, beginning and ending dates of the disability period, number of disability days, and medical conditions associated with the disability period are also included. Part 3, Disability Days to Medical Conditions Link File, contains the variables necessary to link each disability days record in Part 2 with one or more of the condition records in Part 1. Variables include the type of event this record links to, condition number, condition ID, event number, event ID, person ID, and provider number. Part 4, Medical Conditions to Medical Utilization and Expenditures Link File, contains the variables necessary to link each condition record in Part 1 with one or more of the records contained in NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: PRESCRIBED MEDICINE DATA [PUBLIC USE TAPE 14.1] (ICPSR 9746), NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: HOUSEHOLD SURVEY DATA ON HOME HEALTH CARE AND MEDICAL EQUIPMENT PURCHASES AND RENTALS [PUBLIC USE TAPE 14.2] (ICPSR 9944), NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: HOUSEHOLD SURVEY, DENTAL VISIT DATA [PUBLIC USE TAPE 14.3] (ICPSR 9814), NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: HOUSEHOLD SURVEY, HOSPITAL STAYS DATA [PUBLIC USE TAPE 14.4] (ICPSR 9840), or NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: AMBULATORY MEDICAL VISIT DATA [PUBLIC USE TAPE 14.5] (ICPSR 9881). Variables include original dwelling unit, person number, person identifier, condition number, condition ID, event number and identifier, provider number, and type of event this record links to. Part 5, NMES Household Survey Modified ICD-9-CM Label File, contains a record for each of the condition codes reported in the NMES Household Survey and the Survey of American Indians and Alaska Natives (SAIAN).
Curated
National Hospital Ambulatory Medical Care Survey, 2006 (ICPSR 28321)
Released/updated on: 2010-06-11
Geographic coverage: United States
Time period: 2006-01-01--2006-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2006 survey, data were collected from 236 OPDs and 464 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2006, additional updates and revisions have been made to both the emergency department and outpatient department data, including modifications to pre-existing variables and the inclusion of new variables pertaining but not limited to electronic medical record systems and diagnostic screening services.
Curated
National Home and Hospice Care Survey, 2007 (ICPSR 28961)
Released/updated on: 2010-09-01
Geographic coverage: United States
Time period: 2007-08-01--2008-02-29, 2007-09-01--2008-04-30
The National Home and Hospice Care Survey (NHHCS) was reintroduced into the field in 2007 after a 7-year break. During that time, the survey was redesigned and expanded to include a computer-assisted personal interviewing (CAPI) system, many new data items, and larger sample sizes of current home health patients and hospice discharges. All agencies that participated in the survey were either certified by Medicare and/or Medicaid or were licensed by a state to provide home health and/or hospice services and currently or recently served home health and/or hospice patients. Agencies that provided only homemaker services or housekeeping services, assistance with instrumental activities of daily living (IADLs), or durable medical equipment and supplies were excluded from the survey. The 2007 NHHCS included a supplemental survey of home health aides employed by home health and/or hospice agencies, called the National Home Health Aide Survey (NHHAS). The 2007 NHHCS data were collected through in-person interviews with agency directors and their designated staffs; no interviews were conducted directly with patients or their families and/or friends. Agency data collected, available in agency administrative records, included information on the year an agency was established, the types of services an agency provided, referral sources, specialty programs, and staffing characteristics. Data collected on home health patients and hospice discharges, available in medical records, included age, sex, race and ethnicity, services received, length of time since admission, diagnoses, medications taken, advance directives, and many other items.
The National Home Health Aide Survey (NHHAS), the first national probability survey of home health aides, was designed to provide national estimates of home health aides employed by agencies that provide home health and/or hospice care. The NHHAS survey instrument included sections on recruitment, training, job history, family life, management and supervision, client relations, organizational commitment and job satisfaction, workplace environment, work-related injuries, and demographics.
Curated
National Hospital Discharge Survey, 1978 (ICPSR 9191)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1978-01-01--1978-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics such as bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1984 (ICPSR 9171)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1984-01-01--1984-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics such as bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1982 (ICPSR 9172)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1982-01-01--1982-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics, such as bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1983 (ICPSR 9173)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1983-01-01--1983-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics, such as bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1970 (ICPSR 9189)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1970-01-01--1970-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics, such as bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1974 (ICPSR 9190)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1974-01-01--1974-12-31
This survey, which is part a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics, such as bedsize, ownership, and region of the country.
Curated
Restricted
National Academy of Sciences-National Research Council Twin Registry (NAS-NRC Twin Registry), 1958-2013 [RESTRICTED] (ICPSR 36234)
Released/updated on: 2020-11-16
Geographic coverage: United States
Time period: 1958-01-01--2013-12-31
In 1958, the Medical Follow-up Agency (MFUA) of the Institute of Medicine began a project to identify twins who had jointly entered military service during World War II. In the end, MFUA identified nearly 16,000 White male twin pairs born 1917-1927 in which both members had served in the military. These twins comprise the National Academy of Sciences-National Research Council World War II Twin Registry (NAS-NRC Twin Registry). This collection represents data from service records, a mailed questionnaire assessing zygosity, and repeating health surveys, including information on education, employment history, and earnings.
There are nine datasets associated with this restricted-use collection:
1) The Administrative dataset includes demographic, zygosity, service history, mortality, and questionnaire participation data;
2) The Service and Other Records dataset contains information collected from service records, physical exam data, cognitive test data, and dental records;
3) The Questionnaire 2 dataset consists of data collected in the first mailed questionnaire sent in 1965 about pain, illnesses, smoking habits, alcohol consumption, and employment;
4) The Questionnaire 3 dataset includes data from the baseline epidemiological questionnaire sent in 1974 about number and sex of children, religious attendance, education, income, and occupation;
5) Questionnaire 7, mailed in 1985, contains similar topics as in Questionnaire 2, and includes data about health conditions such as diabetes, as well as feelings about work and retirement;
6) Questionnaire 8 was mailed in 1998 was the third epidemiologic questionnaire. This dataset is comprised of overlapping topics with Q2 and Q7, and has additional data about feelings, prescription medications, activity levels, the Geriatric Depression Scale, and parental death status;
7) The NEO Personality Inventory dataset includes responses to the NEO Five-Factor Personality Inventory mailed in 2005-2006;
8) The Service and Death Records dataset (VDE access only) contains information about date and place of birth, state at induction, disciplinary measures during service, decorations received during service, indicator for those known to have been POWs, reason for separation from the military, age at death if died over age 90, and cause of death. Some of this information was obtained from the re-read of service records and is thus available only for a subset of 6357 men;
9) Diagnoses dataset (VDE access only) contains data about medical conditions diagnosed between 1935 and 1985 that were abstracted from a variety of medical records over the course of the study. The diagnoses were coded using the International Classification of Disease system (WHO, 2015).
Curated
National Hospital Discharge Survey, 1986 (ICPSR 9095)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1986-01-01--1986-12-31
The 1986 National Hospital Discharge Survey is the latest in a continuing sample of hospital discharge records, collecting medical and demographic information for calculating statistics on hospital utilization. This survey consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics of bedsize, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1988 (ICPSR 9521)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1988-01-01--1988-12-31
The 1988 National Hospital Discharge Survey (NHDS), which is part of a continuing sample of hospital discharge records, provides medical and demographic information used to calculate statistics on hospital utilization. This survey consists of data abstracted from the face sheets of medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, and source of payment. Information on hospital characteristics, such as bedsize, ownership, and region of the country, is also included.
Curated
National Hospital Discharge Survey, 1976 (ICPSR 9825)
Released/updated on: 1993-02-12
Geographic coverage: United States
Time period: 1976-01-01--1976-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. This data collection consists of information abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. Variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, and hospital characteristics such as number of beds, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1975 (ICPSR 9826)
Released/updated on: 1993-02-12
Geographic coverage: United States
Time period: 1975-01-01--1975-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of information abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. Variables include information on the patient's demographic characteristics (sex, age, date of birth, race, and marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, and hospital characteristics such as number of beds, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1973 (ICPSR 9827)
Released/updated on: 1993-02-12
Geographic coverage: United States
Time period: 1973-01-01--1973-12-31
This survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. The data collection consists of information abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. Variables include information on the patient's demographic characteristics (sex, age, date of birth, race, and marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, and hospital characteristics such as number of beds, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1987 (ICPSR 9344)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
The 1987 National Hospital Discharge Survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. This survey consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics such as number of beds, ownership, and region of the country.
Curated
National Hospital Discharge Survey, 1977 (ICPSR 9387)
Released/updated on: 1992-02-17
Geographic coverage: United States
Time period: 1977-01-01--1977-12-31
The 1977 National Hospital Discharge Survey, which is part of a continuing sample of hospital discharge records, supplies medical and demographic information used to calculate statistics on hospital utilization. This survey consists of data abstracted from the face sheets of the medical records for sampled inpatients discharged from a national sample of nonfederal short-stay hospitals. The variables include information on the patient's demographic characteristics (sex, age, date of birth, race, marital status), dates of admission and discharge, status at discharge, diagnoses, procedures performed, source of payment, and hospital characteristics such as number of beds, ownership, and region of the country.
Curated
National Medical Expenditure Survey, 1987: Institutional Population Component, Linked MADRS Data for Medicare Beneficiaries Sampled in Nursing and Personal Care Homes and Facilities for Persons With Mental Retardation [Research File 36R] (ICPSR 6586)
Released/updated on: 2006-03-30
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
The National Medical Expenditure Survey (NMES) series provides information on health expenditures by or on behalf of families and individuals, the financing of these expenditures, and each person's use of services. The Institutional Population Component (IPC) is a survey of nursing and personal care homes and facilities for the mentally retarded and residents admitted to those facilities. Information was collected on facilities and their residents at several points during 1987. Use and expenditure estimates for institutionalized persons can be combined with those from the Household Component for composite estimates covering most of the civilian population. Information on facilities and residents was collected from facility administrators and caregivers, with additional information collected from next-of-kin or other knowledgeable respondents. These data were supplemented by Medicare claims information for covered sample persons. Research File 36 provides information from the Medicare Automated Data Retrieval System (MADRS) for a subset of persons from File 1 of NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: INSTITUTIONAL POPULATION COMPONENT, FACILITY USE AND EXPENDITURE DATA FOR NURSING AND PERSONAL CARE HOME RESIDENTS [PUBLIC USE TAPE 17] (ICPSR 6158) and a subset of persons from File 1 of NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: INSTITUTIONAL POPULATION COMPONENT, FACILITY USE AND EXPENDITURE DATA FOR RESIDENTS OF FACILITIES FOR PERSONS WITH MENTAL RETARDATION [RESEARCH FILE 22R] (ICPSR 6467). Six data files are provided for Research File 36R, all of which contain demographic data such as age, sex, and race. Other variables common to all parts are facility type, person number, sample person identifier, reimbursement amount by Medicare, and total charges reported by provider. Parts 1-6 cover, respectively, Part B Payment Records, Part B Outpatient Bill Records, Part B Home Health Bill Records, Part A Inpatient/Skilled Nursing Facilities Bill Records, Part A Home Health Bill Records, and Part A Hospice Bill Records.
Curated
National Health and Nutrition Examination Survey I: Epidemiologic Follow-up Study, 1992 (ICPSR 6861)
Released/updated on: 2000-06-21
Geographic coverage: United States
Time period: 1992-01-01--1992-12-31
The National Health and Nutrition Examination Survey I Epidemiologic Followup Study (NHEFS) is a longitudinal study that follows participants from the NHANES I who were aged 25-74 in 1971-1975. The NHEFS surveys were designed to investigate the association between factors measured at the baseline and the development of specific health conditions and functional limitations. Follow-up data were collected in 1982-1984 (ICPSR 8900), 1986 (ICPSR 9466), 1987 (ICPSR 9854), and 1992. The 1992 NHEFS collected information on changes in the health and functional status of the NHEFS cohort since the last contact period. The Vital and Tracing Status file (Part 1) provides summary information about the status of the NHEFS cohort. The Interview Data file (Part 2) covers selected aspects of the respondent's health history, including injuries, activities of daily living, vision and hearing, medical conditions, exercise, weight, family history of cancer, surgeries, smoking, alcohol use, and medical care utilization. The Health Care Facility Stay files (Parts 3 and 4) supply information about stays in hospitals, nursing homes, and mental health care facilities, as well as information abstracted from facility medical records. The Mortality Data file (Part 5) contains data abstracted from the death certificates for NHEFS decedents.
Curated
National Ambulatory Medical Care Survey, 1991 (ICPSR 6430)
Released/updated on: 1996-06-10
Geographic coverage: United States
Time period: 1991-01-01--1991-12-31
The National Ambulatory Medical Care Survey (NAMCS) provides data from samples of patient records selected from a national sample of office-based physicians. These national estimates describe the utilization of ambulatory medical care services in the United States. In 1991, there were 33,795 patient records provided by 1,354 doctors who participated in the survey. The survey obtains information on the age, race, and sex of the patient, and on physician characteristics such as geographic location and specialization. Data describing the nature of the office visit include the expected source of payment, patient's problem, prior visit status, referral status, physician's diagnoses, diagnostic and therapeutic services provided, and disposition and duration of the visit. Other variables cover drugs/medications ordered, administered, or provided during office visits, such as medication code, generic name and code, brand name, entry status, prescription status, composition status, and related ingredient codes.
Curated
National Ambulatory Medical Care Survey, 1977 (ICPSR 8046)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1977-01-01--1977-12-31
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.
Curated
National Ambulatory Medical Care Survey, 1978 (ICPSR 8047)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1978-01-01--1978-12-31
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.
Curated
National Ambulatory Medical Care Survey, 1979 (ICPSR 8048)
Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1979-01-01--1979-12-31
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.
Curated
National Medical Expenditure Survey, 1987: Institutional Population Component (ICPSR 9280)
Released/updated on: 2006-03-30
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
This survey was designed to yield national estimates of the use of and expenditures for care during 1987 by persons who resided in nursing homes or facilities for the mentally retarded. The Facility Questionnaire was completed by administrators of 1,501 participating facilities (810 nursing homes and 691 facilities for the mentally retarded). Data records contain bed size, type of ownership, facility certification, services routinely provided, average cost, and other information. Weights, which must be used to generate nationally representative facility-level estimates, are provided. The Baseline Questionnaire file contains data collected from institutional caregivers and next of kin of 6,965 randomly sampled persons who were living in the sampled facilities on January 1, 1987. Data include sociodemographic information such as age, race, and sex. Information on residences prior to admission, measures of functional limitations and chronic conditions, and the work history of persons in facilities for the mentally retarded is also provided. Person level records can be linked to facility records and include person weights for obtaining national estimates. The documentation file includes an overview of the entire 1987 National Medical Expenditure Survey (NMES), which is expected to produce 15 files of data. The documentation provides frequencies, questionnaires, and technical information on sample design, weights, and variance estimation.
Curated
National Hospital Ambulatory Medical Care Survey, 2008 (ICPSR 29922)
Released/updated on: 2011-01-18
Geographic coverage: United States
Time period: 2008-01-01--2008-12-31
The National Hospital Ambulatory Medical Care Surveys (NHAMCS) provide data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2008 survey, data were colected from 209 OPDs and 431 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit physician's diagnoses, cause of injury, surgical procedures (OPD's only), medication therapy, and expected source of payment. The 2008 survey remains unchanged from the previous year.
Curated
National Home and Hospice Care Survey, 1998 (ICPSR 3763)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1998-01-01--1998-12-31
The National Home and Hospice Care Survey (NHHCS) for 1998 examines home health agencies and hospices and their current patients and discharges. These surveys were designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with the agency administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff persons most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes services provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, race, Hispanic origin, and marital status.
Curated
National Home and Hospice Care Survey, 2000 (ICPSR 3791)
Released/updated on: 2006-06-22
Geographic coverage: United States
Time period: 2000-01-01--2000-12-31
The National Home and Hospice Care Survey (NHHCS) for 2000 examines home health agencies and hospices and their current patients and discharges. These surveys were designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with the agency administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff persons most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes services provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, race, Hispanic origin, and marital status.
Curated
National Home and Hospice Care Survey, 1992 (ICPSR 6536)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1992-01-01--1992-12-31
The National Home and Hospice Care Survey (NHHCS) for 1992 is the first annual survey of home health agencies and hospices and their patients and discharges. The survey was designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff personnel, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff people most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes service provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, race, Hispanic origin, and marital status.
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National Home and Hospice Care Survey, 1996 (ICPSR 2707)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1996-01-01--1996-12-31
The National Home and Hospice Care Survey (NHHCS) for 1996 is the fourth survey of home health agencies and hospices and their current patients and discharges. These surveys were designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with the agency administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff personnel, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff persons most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes services provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, race, Hispanic origin, and marital status.
Curated
National Home and Hospice Care Survey, 1994 (ICPSR 6733)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1994-01-01--1994-12-31
The National Home and Hospice Care Survey (NHHCS) for 1994 is the third annual survey of home health agencies and hospices and their current patients and discharges. These surveys were designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with the agency administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff personnel, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff persons most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes services provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, race, Hispanic origin, and marital status.
Curated
National Home and Hospice Care Survey, 1993 (ICPSR 6664)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1993-01-01--1993-12-31
The National Home and Hospice Care Survey (NHHCS) for 1993 is the second annual survey of home health agencies and hospices and their current patients and discharges. This survey was designed to provide information for those who establish standards for, plan, provide, and assess long-term care services, both in the home and in inpatient settings. Data on agency characteristics were obtained through personal interviews with the agency administrators and include the number of home health and hospice patients served in the last 12 months, type of facility ownership (i.e., profit, nonprofit, government, other), Medicare and Medicaid certification, number and type of staff personnel, and the hours they worked. Data on a sample of patients currently receiving home health and hospice care as well as a sample of discharges were obtained by interviewing staff persons most familiar with the care provided to these patients. Respondents were requested to refer to medical or other records whenever necessary. No patient was interviewed directly. Information for patients currently receiving services and discharged patients includes service provided and provider type, type of residence, referral source, medical diagnosis, type of care (home health or hospice), type of aids used (eyeglasses, dentures, walker, cane, oxygen, hospital bed, etc.), daily living activities that required assistance, and billing charges and expected payment source(s). The discharge diagnosis for discharged patients was also recorded. Demographic variables for both types of patients include sex, age, Hispanic origin, race, and marital status.
Curated
National Medical Care Utilization and Expenditure Survey, 1980 (ICPSR 8239)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1980-01-01--1980-12-31
The National Medical Care Utilization and Expenditure Survey (NMCUES), 1980 was designed to produce a database of detailed information on the country's health status, patterns of health care utilization, charges for services received, and methods of payment. NMCUES consists of three components: the National Household Survey (HHS), the State Medicaid Household Survey (SMHS), and the Administrative Records Survey (ARS). The seven NMCUES public use files making up this data collection contain respondent data from the National Household Survey (HHS) only and include information on utilization, expenditures, conditions, disabilities, and demographic characteristics. The first six files in the collection provide information on medical visits, dental visits, hospital stays, prescribed medicines, and health conditions for all persons residing in the sample households at each of five interview sessions. The seventh (Family) file contains data from the first six files on key family reporting units or RUs (defined as an individual or group of persons related to each other by blood, marriage, adoption, or foster parent/child relationship, whose usual residence was the assigned sample housing unit) for which there were longitudinal data on (1) eligible residents at the time of the round one interview, their nonresident unmarried college students, and babies born into the families or members who returned from the military, institutions, or abroad during the year, and (2) new RUs formed by such key members during the year.
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National Hospital Ambulatory Medical Care Survey, 2004 (ICPSR 4530)
Released/updated on: 2006-09-06
Geographic coverage: United States
Time period: 2004-01-01--2004-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2004 survey, data were collected from 204 OPDs and 458 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2004, additional updates and revisions have been made to the drug characteristics data. The variables CSTRATM and CPSUM have been added to assist in the computation of variances.
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National Hospital Ambulatory Medical Care Survey, 2002 (ICPSR 4405)
Released/updated on: 2006-02-17
Geographic coverage: United States
Time period: 2002-01-01--2002-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2002 survey, data were collected from 224 OPDs and 376 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (EDs only), surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2002, a number of updates and revisions have been made to the drug characteristics data. The variables CSTRATM and CPSUM have been added to assist in the computation of variances.
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National Hospital Ambulatory Medical Care Survey, 2003 (ICPSR 4406)
Released/updated on: 2011-10-12
Geographic coverage: United States
Time period: 2003-01-01--2003-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2003 survey, data were collected from 236 OPDs and 475 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (EDs only), surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2003, additional updates and revisions have been made to the drug characteristics data. The variables CSTRATM and CPSUM have been added to assist in the computation of variances.
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National Hospital Ambulatory Medical Care Survey, 2005 (ICPSR 28261)
Released/updated on: 2010-06-08
Geographic coverage: United States
Time period: 2005-01-01--2005-12-31
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2005 survey, data were collected from 205 OPDs and 417 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2005, additional updates and revisions have been made to both the emergency department and outpatient department data, including modifications to preexisting variables and the inclusion of new variables pertaining but not limited to patient pregnancy, height, and weight.
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National Health and Nutrition Examination Survey I: Epidemiologic Follow-Up Study, 1987 (ICPSR 9854)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
The National Health and Nutrition Examination Survey I Epidemiologic Follow-Up Study (NHEFS) is a longitudinal study which uses as its baseline those adult persons aged 25 to 74 years who were examined in the first National Health and Nutrition Examination Survey (NHANES I). The NHEFS surveys were designed to investigate the association between factors measured at the baseline and the development of specific health conditions. The NHEFS is comprised of a series of follow-up surveys, three of which have been completed. The first wave of data collection, the 1982-1984 NHEFS (ICPSR 8900), included all persons who were between 25 and 74 years of age at their NHANES I examination. The second wave of data collection, the 1986 NHEFS (ICPSR 9466), included the NHEFS cohort who were 55-74 years at their baseline examination and not known to be deceased at the time of the 1982-1984 NHEFS. The third wave, the 1987 NHEFS, was conducted for the entire nondeceased NHEFS cohort. The 1982-1984 NHEFS consisted of five steps. The first step focused on tracing and locating all subjects in the cohort or their proxies and determining their vital status. The second step involved obtaining death certificates for subjects who were deceased. Interviews with the participants or their proxies constituted the third phase of the follow-up. The fourth phase of the follow-up included measurements of pulse, blood pressure, and weight for interviewed respondents, and the fifth step was the acquisition of relevant hospital and nursing home records, including pathology reports and electrocardiograms. The 1986 NHEFS assessed changes to the health and functional status of the oldest members of the NHEFS cohort since the last contact period. The 1987 NHEFS also collected information on changes in the health and functional status of the NHEFS cohort since the last contact period. The Vital and Tracing Status file contains summary information about the status of the entire NHEFS cohort. The Health Care Facility Record file contains information on reports of stays in hospitals and nursing homes as well as information abstracted from facility medical records. The Mortality Data file contains data abstracted from the death certificates from all three NHEFS surveys. The Interview Data file contains information on selected aspects of the subject's health history since the time of the NHANES I exam.
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National Hospital Ambulatory Medical Care Survey, 1997 (ICPSR 2740)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1996-12-23--1997-12-21
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1997 survey, data were collected from 236 OPDs and 395 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
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National Hospital Ambulatory Medical Care Survey, 1994 (ICPSR 6824)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1993-12-27--1994-12-25
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey (NAMCS) collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The 1994 NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1994 survey, data were collected from 260 OPDs and 418 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
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National Hospital Ambulatory Medical Care Survey, 1993 (ICPSR 6915)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1992-12-28--1993-12-26
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey (NAMCS) collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The 1993 NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1993 survey, data were collected from 228 OPDs and 395 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
Curated
National Hospital Ambulatory Medical Care Survey, 1996 (ICPSR 2365)
Released/updated on: 2006-01-18
Geographic coverage: United States
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey (NAMCS) collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1996 survey, data were collected from 235 OPDs and 392 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
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National Hospital Ambulatory Medical Care Survey, 1995 (ICPSR 2422)
Released/updated on: 2006-01-18
Geographic coverage: United States
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey (NAMCS) collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1995 survey, data were collected from 230 OPDs and 391 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
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National Medical Expenditure Survey, 1987: Institutional Population Component, Facility Use and Expenditure Data for Residents of Facilities for Persons with Mental Retardation [Research File 22r] (ICPSR 6467)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1987-01-01--1987-12-31
The National Medical Expenditure Survey (NMES) series provides information on health expenditures by or on behalf of families and individuals, the financing of these expenditures, and each person's use of services. The NMES Research File 22R contains use and expenditure data on a nationally representative sample of persons who spent any time in facilities for persons with mental retardation during 1987. These data are from the NATIONAL MEDICAL EXPENDITURE SURVEY, 1987: INSTITUTIONAL POPULATION COMPONENT (ICPSR 9280), which is a survey of nursing/personal care homes and facilities for the mentally retarded and residents admitted to those facilities. Variables from the person-level data include demographic characteristics (age, race, sex), admission dates, vital status during 1987 (living or deceased), residence history, spouse characteristics (age, health), insurance coverage, income, and medical conditions (epilepsy, mental retardation, schizophrenia). The institutional stay data contain one record per stay for stays associated with a formal admission and/or discharge. Variables include information on episodes of institutional care, dates of stays (beginning date and ending date), and institutional characteristics such as size, ownership, and certification status. The expenditures and sources of payment billing data contain one record per bill for each eligible facility.
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Community Hospital Program (CHP) Access Impact Evaluation Surveys, 1978-1979, 1981 (ICPSR 8245)
Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1978-01-01--1979-12-31, 1981-01-01--1981-12-31
This data collection evaluates group medical practices and the ways in which they affect both access to and use of medical services. Group practices, sponsored by the Robert Wood Johnson Foundation Community Hospital Program (CHP), were selected for use in this assessment. The data were collected by the Center for Health Administration Studies at the University of Chicago, with the assistance of Chilton Research Services. Two surveys were conducted for the study: a baseline survey in 1978-1979 and a follow-up in 1981. Community residents and CHP patients in 12 communities were interviewed. Demographic and medical care data were collected for selected individuals and families in the survey areas. Data on regular sources of medical care for individuals include the type of organization used, type of practice, accessibility, frequency of visits, types of health care professionals seen, cost, and satisfaction. Also in the collection are data on perceived health, episodes of illness (including symptoms, duration, disability days, and doctors consulted), use of preventive health care services, and insurance coverage. Demographic data for individuals and families include age, sex, race, educational attainment, employment, and income. Of the 198 files in this collection, 88 are "raw" data files and 110 are frequencies. The data files consist of four types. The first type are Sample Person files. These contain the responses of group practice patients and community members. The second type are Doctor Episode files, which record doctors and episodes of illness. Family files make up the third type of file, and consist of family members' responses to the survey. Analysis files, linking patient and doctor data, are the fourth type of file. The SPSS frequency files correspond to the data files: two per file for the Sample Person files, and one per file for the remaining three types of files.
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National Hospital Discharge Survey, 1979-1992: Multi-Year Data (ICPSR 6983)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1979-01-01--1992-12-31
The National Hospital Discharge Survey (NHDS) collects medical and demographic information annually from a sample of hospital discharge records. This data collection consists of data from the 1979-1992 NHDS files, split into non-newborn (Part 1) and newborn (Part 2) data. Variables include patients' demographic characteristics (sex, age, race, marital status), month of admission, status at discharge, final diagnoses, surgical and nonsurgical procedures, dates of surgeries, and sources of payment. Information on hospital characteristics such as bedsize, ownership, and region of the country is also included. The medical information is coded using the INTERNATIONAL CLASSIFICATION OF DISEASES, 9TH REVISION, CLINICAL MODIFICATION (ICD-9-CM).
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National Hospital Ambulatory Medical Care Survey, 1992 (ICPSR 6585)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1991-12-02--1992-12-27
The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey (NAMCS) collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The 1992 NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. Between December 2, 1991, and December 27, 1992, data were collected from 314 OPDs and 437 EDs. Among the variables included are age, race, and sex of the patient, along with the reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
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National Hospital Ambulatory Medical Care Survey, 1998 (ICPSR 2916)
Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1997-12-22--1998-12-20
The NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1998 survey, data were collected from 239 OPDs and 398 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.