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Curated
Simple Crosstabs

State-Level Supplemental Nutrition Assistance Program Expansions During and After the COVID-19 Pandemic, United States, 2020-2023 (ICPSR 39703)

Released/updated on: 2026-03-10
Geographic coverage: United States
Time period: 2020-01-01--2023-12-31
This dataset contains a state-level record of Supplemental Nutrition Assistance Program (SNAP) expansions adopted during and post the COVID-19 pandemic across all 50 U.S. states and the District of Columbia. It documents the timing, scope, and implementation of major pandemic-related SNAP policies, including Emergency Allotments (EA), Pandemic-Electronic Benefit Transfer (P-EBT), and U.S. Department of Agriculture (USDA)-approved administrative waivers, between March 2020 and August 2023. Data were systematically extracted from the USDA's Food and Nutrition Service (FNS) public database on COVID-19 SNAP waivers (unable to be accessed at time of publication) and harmonized through a structured coding protocol.
Curated
Simple Crosstabs

Child Care Licensing Study, United States, 2020 (ICPSR 38539)

Released/updated on: 2025-12-03
Geographic coverage: United States
Time period: 2020-01-01--2020-12-31

The 2020 Child Care Licensing Study provides information collected about child care licensing programs and policies and the facility requirements for child care centers, family child care homes, and group child care homes for all 50 states and the District of Columbia.

The data about licensing requirements for child care centers, family child care homes, and group child care homes were collected by the National Center on Early Childhood Quality Assurance from the regulations posted on the National Database of Child Care Licensing Regulations that were in effect as of December 31, 2020. The licensing regulations data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements
  • Staff hiring requirements

The same web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes.

Self-published

Childcare and the Fertility Gap (ICPSR 208645)

Released/updated on: 2024-08-22
We build upon previous work by investigating the regulation of childcare and fertility gaps across the U.S. states. Our results consistently show fewer childcare regulations are associated with smaller fertility gaps. This suggests that women are better able to achieve their fertility goals in policy environments that allow for more flexibility in childcare options and lower costs.
Curated

References to Evidence-Based Program Registry Websites for Behavioral Health in U.S. State Government Statutes and Regulations, [United States], 2011-2020 (ICPSR 39058)

Released/updated on: 2024-07-08
Geographic coverage: United States
Time period: 2011-01-01--2020-12-31
U.S. state governments have the responsibility to regulate and license behavioral health care interventions, such as for addiction and mental illness, with increasing emphasis on evidence-based programs (EBPs). A serious obstacle to this is lack of clarity or agreement about what constitutes "evidence-based." This study's purpose was to determine the extent to which and in what contexts web-based Evidence-Based Program Registries (EBPRs) are referenced in state government statutes and regulations ("mandates") concerning behavioral health care. The study employed the Westlaw Legal Research Database to search for 30 known EBPR websites relevant to behavioral health care within the statutes and regulations of all 50 states. Questions of interest included prevalence of EBPR references in statutes and regulations, purpose of references to EBPRs, context of references to EBPRs, and service areas represented by the mandate.
Curated

State Health Policy Research Dataset (SHEPRD): 1980-2010 (ICPSR 34789)

Released/updated on: 2024-02-14
Geographic coverage: United States
Time period: 1980-01-01--2010-12-31
This dataset was developed to study trends in the adoption of state public health laws during 1980-2010. Specifically, the dataset covers annual trends in seatbelt laws, speed limits for passenger vehicles on rural interstates, minimum legal drinking ages, drunk driving laws, laws prohibiting the purchase of alcohol on Sundays, regulations for registering purchased kegs and/or prohibitions against selling kegs, beer taxes and total alcohol tax revenues, motorcycle and bicycle helmet laws, cigarette taxes, cigarette advertising bans, bans on workplace smoking, bans on smoking in restaurants and bars, and tobacco taxes (total revenue). The dataset contains information about these laws for each year between 1980 and 2010, inclusive. In addition, it contains variables that describe the social, economic, demographic, health care, political, and crime chacteristics of the states in each of these years.
Curated
Simple Crosstabs

Child Care Licensing Study, United States, 2017 (ICPSR 37700)

Released/updated on: 2022-10-31
Geographic coverage: United States
Time period: 2017-01-01--2017-12-31

The 2017 Child Care Licensing Study provides information collected about child care licensing programs and policies and the facility requirements for child care centers, family child care homes, and group child care homes for all 50 states and the District of Columbia. Limited center regulations data are available for U.S. territories of Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands.

The data about state licensing policies, including facility monitoring, enforcement of licensing regulations, and licensing program staff, were gathered by the National Association for Regulatory Administration (NARA) in the 2017 NARA Child Care Licensing Programs and Policies Survey. NARA sent an online survey to all state child care licensing agencies in March 2018. Respondents submitted their answers via Survey Monkey, and by January 2019, all states had responded.

The data from the Licensing Survey cover the following topical areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring
  • Licensing's role in quality initiatives

The data about licensing requirements for child care centers, family child care homes, and group child care homes were collected by the National Center on Early Childhood Quality Assurance from the regulations posted on the National Database of Child Care Licensing Regulations that were in effect as of December 31, 2017. The licensing regulations data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements and
  • Staff hiring requirements

The same web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes.

External data

State Firearm Law Database: State Firearm Laws, 1991-2019 (ICPSR 37363)

Released/updated on: 2020-02-26
Geographic coverage: United States
Time period: 1991-01-01--2019-12-31

The State Firearm Database catalogs the presence or absence of 134 firearm safety laws in 14 categories covering the 26-year period from 1991 to 2019. The classification system categorizes state firearm provisions using a methodology that both captures differences and maintains a level of comparability between states. Because of this, the database is not the most detailed nor the most comprehensive record of all state firearm policies. Other resources may provide users with a deeper understanding of individual provisions, while this database serves as an efficient way to compare the broad scope of state firearm laws across the country. These provisions covered 14 aspects of state policies, including regulation of the process by which firearm transfers take place, ammunition, firearm possession, firearm storage, firearm trafficking, and liability of firearm manufacturers. In addition, descriptions of the criteria used to code each provision have been provided so that there is transparency in how various law exemptions, exceptions, and other nuances were addressed.

Curated
Simple Crosstabs

Child Care Licensing Study, United States, 2012-2014 (ICPSR 37026)

Released/updated on: 2018-05-25
Geographic coverage: United States
Time period: 2012-01-01--2014-12-31

The 2014 Child Care Licensing Study provides information collected about child care licensing programs and policies and the regulations for childcare centers, family child care homes, and group child care homes for all 50 States, the District of Columbia, and the two U.S. Territories (Guam and the Virgin Islands). The data about States and Territories' licensing policies, including facility monitoring, enforcement of licensing regulations, and licensing program staffing, were gathered by the National Association for Regulatory Administration (NARA) in the 2014 NARA Child Care Licensing Programs and Policies Survey. NARA sent an online survey to all state child care licensing agencies in September 2014. Respondents submitted their answers via the Internet, and by January 2015, all States had responded.

The data from the Licensing Survey cover the following topical areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring
  • Licensing's role in quality initiatives

The child care center licensing regulations used for this study were compiled by the National Center for Early Childhood Quality Assurance from the regulations posted on the National Resource Center for Health and Safety in Child Care and Early Education (NRC) website between January 1, 2012, and December 31, 2014. That site is no longer active but directs users to the National Database of Child Care Licensing Regulations. The licensing regulations data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements and
  • Staff hiring requirements

The same web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes.

Curated
Restricted

Non-Medical use of Prescription Drugs: Policy Change, Law Enforcement Activity, and Diversion Tactics, Florida, 2010-2014 (ICPSR 36609)

Released/updated on: 2018-03-21
Geographic coverage: United States, Orlando, St. Petersburg, Florida, Miami
Time period: 2010-01-01--2014-12-31

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 contains Uniform Crime Report geocoded data obtained from St. Petersburg Police Department, Orlando Police Department, and Miami-Dade Police Department for the years between 2010 and 2014. The three primary goals of this study were:

  1. to determine whether Florida law HB 7095 (signed into law on June 3, 2011) and related legislation reduced the number of pain clinics abusively dispensing opioid prescriptions in the State
  2. to examine the spatial overlap between pain clinic locations and crime incidents
  3. to assess the logistics of administering the law

The study includes:

  • 3 Excel files: MDPD_Data.xlsx (336,672 cases; 6 variables), OPD_Data.xlsx (160,947 cases; 11 variables), SPPD_Data.xlsx (211,544 cases; 14 variables)
  • 15 GIS Shape files (95 files total)

Data related to respondents' qualitative interviews and the Florida Department of Health are not available as part of this collection. For access to data from the Florida Department of Health, interested researchers should apply directory to the FDOH.

Curated

United States Firearm Transfer Analysis (2005-2010) (ICPSR 36358)

Released/updated on: 2016-02-15
Geographic coverage: United States
Time period: 2005-01-01--2010-12-31

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 examines the increase in firearm background checks and the increase in firearm transfer and permit application denials. The study is a secondary analysis, primarily of data already available through public sources. Distributed here are the code used for the secondary analysis and the data not otherwise available through other public means. Please refer to the readme file, distributed with this study, for a list of instructions on how to obtain all other data used in this study.

Curated
Restricted

Collecting DNA from Juveniles in 30 U.S. States, 2009-2010 (ICPSR 31281)

Released/updated on: 2014-12-19
Geographic coverage: Oregon, United States, Tennessee, Maine, Alabama, Arkansas, Utah, Washington, South Carolina, Massachusetts, Colorado, Alaska, Wisconsin, Arizona, Montana, Kentucky, South Dakota, Minnesota, California, Kansas, Florida, New Jersey, Michigan, Pennsylvania, Iowa, Illinois, Texas, New Hampshire, Louisiana, Ohio, Virginia
Time period: 2007-01-01--2010-12-31

This study examined the laws, policies, and practices related to juvenile DNA collection, as well as their implications for the juvenile and criminal justice systems. DNA evidence proved valuable in solving crimes, which motivated a concerted effort to expand the categories of offenders who provided DNA samples for analysis and inclusion in the Combined DNA Index System (CODIS), the Federal Bureau of Investigation (FBI)-operated national database.

State requirements for DNA collection, which initially focused on adult offenders convicted of sexual or violent offenses, expanded to include other categories of convicted felons, convicted misdemeanants, arrestees, and juveniles. In 30 states, certain categories of juveniles handled in the juvenile justice system must now provide DNA samples. The study was designed to explore the practice and implications of collecting DNA from juveniles and addressed the following questions:

  1. How have state agencies, juvenile justice agencies and state laboratories implemented juvenile DNA collection laws?
  2. What were the number and characteristics of juveniles with profiles included in CODIS?
  3. How have juvenile profiles in CODIS contributed to public safety or other justice outcomes?
  4. What improvements to policies and practices needed to be made?

To examine these questions, researchers at the Urban Institute: (1) systematically reviewed all state DNA statutes; (2) conducted semi-structured interviews with CODIS lab representatives in states that collect DNA from juveniles to understand how the laws were implemented; (3) collected and analyzed descriptive data provided by these labs on the volume and characteristics of juvenile profiles in CODIS; (4) conducted semi-structured interviews with juvenile and criminal justice stakeholders in five case study states; and (5) convened a meeting of federal officials and experts from the forensic and juvenile justice committees to explore the broader impacts of juvenile DNA collection.

Curated
Simple Crosstabs

Child Care Licensing Study, United States, 2011 (ICPSR 34550)

Released/updated on: 2013-04-15
Geographic coverage: United States
Time period: 2011-01-01--2011-12-31

The purpose of the 2011 Child Care Licensing Study is to report two aspects of child care licensing from 2011 for all 50 states and the District of Columbia (not including Idaho): (1) state child care licensing programs and policies and (2) child care center and family child care home licensing regulations. The study focuses on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations.

To collect information on states' licensing policies, including staffing, monitoring, and enforcement of licensing regulations, the National Association for Regulatory Administration (NARA) disseminated the 2011 NARA Child Care Licensing Program Survey to all state child care licensing agencies in May 2012. Responses were received from all states. The survey focused on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations. The data cover the following topical areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring and
  • Licensing's role in quality initiatives

The child care center licensing regulations used for this study are those that were posted on the National Resources Center for Health and Safety in Child Care (NRC) Web site. The data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements and
  • Staff hiring requirements

The same Web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes. More information on the study is located at the National Association for Regulatory Administration's Web site.

Curated

Child Care Licensing Study, United States, 2008 (ICPSR 31501)

Released/updated on: 2011-10-26
Geographic coverage: United States
Time period: 2008-01-01--2008-12-31

The purpose of the 2008 Child Care Licensing Study is to report two aspects of child care licensing from 2008 for all 50 states and the District of Columbia (not including Idaho): (1) state child care licensing programs and policies and (2) child care center and family child care home licensing regulations. The study focuses on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations.

To collect information on states' licensing policies, including staffing, monitoring, and enforcement of licensing regulations, the National Association for Regulatory Administration (NARA) disseminated the 2008 NARA Child Care Licensing Program Survey to all state child care licensing agencies in May 2009. Responses were received from all states. The survey focused on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations. The data cover the following topical areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring and
  • Licensing's role in quality initiatives

The child care center licensing regulations used for this study are those that were posted on the National Resources Center for Health and Safety in Child Care (NRC) Web site. The data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements and
  • Staff hiring requirements

The same Web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes. More information on the study is located at the National Association for Regulatory Administration's Web site.

Curated

State-Level Data on Limited Liability Companies (LLC), United States, 2004-2009 (ICPSR 31561)

Released/updated on: 2011-06-27
Time period: 2004-01-01--2009-12-31
The limited liability company (LLC) is much more popular a business entity in some states than in others. The potential explanations of this phenomenon was explored using a partly original set of cross-sectional state-level data. The dataset contains business entity filing statistics, data on formation fees, annual report fees, and franchise taxes for LLCs and business corporations, and data on particular features of state LLC statutes. It was found that formation fees, not taxes or substantive rules or anything else, explain the variation in LLC popularity best. The study that is based on the dataset, titled "For a Few Dollars Less: Explaining State-to-State Variation in Limited Liability Company Popularity," is not published yet.
Curated

Child Care Licensing Study, United States, 2006-2007 (ICPSR 25601)

Released/updated on: 2009-12-03
Geographic coverage: United States
Time period: 2006-01-01--2007-12-31

The purpose of the 2007 Child Care Licensing Study is to report four aspects of child care licensing from 2007 for all 50 states and the District of Columbia: (1) state child care licensing programs and policies, (2) child care center licensing regulations, (3) small family child care home licensing regulations, and (4) large/group family child care home licensing regulations.

To collect information on states' licensing policies, including staffing, monitoring, and enforcement of licensing regulations, the National Association for Regulatory Administration (NARA) disseminated the 2007 NARA Child Care Licensing Program Survey to all state child care licensing agencies in July 2007. Responses were received from all states. The survey focused on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations. The data cover the following topical areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring and
  • Licensing's role in quality initiatives

The child care center licensing regulations used for this study are those that were posted on the National Resources Center for Health and Safety in Child Care (NRC) Web site between January 1, 2006, and December 31, 2007. The data covers the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements and
  • Staff hiring requirements

The same Web site was used to collect licensing regulations covering the above listed topics for small family child care homes and large/group family child care homes. More information on the study is located at the National Association for Regulatory Administration Web site.

Curated

Child Care Licensing Study, United States, 2004-2005 (ICPSR 21400)

Released/updated on: 2009-10-13
Geographic coverage: United States
Time period: 2004-01-01--2005-12-31

The purpose of the 2005 Child Care Licensing Study was to report two aspects of child care licensing from 2005 for all 50 states and the District of Columbia: (1) state child care licensing programs and policies, and (2) child care center licensing regulations.

To collect information on states' licensing policies, including staffing, monitoring, and enforcement of licensing regulations, the National Association for Regulatory Administration (NARA) disseminated the 2005 NARA Child Care Licensing Program Survey to all state child care licensing agencies in February 2005. Responses were received from all states. The survey focuses on the processes and policies in each state related to staffing for the licensing program, monitoring facilities, and enforcement of licensing regulations. The data cover the following topic areas:

  • Number of licensed facilities
  • Complaint investigations
  • Licensing staff
  • Enforcement actions
  • Types of inspections
  • Licensing information on the Internet
  • Frequency of inspections
  • Licensing fees
  • Frequency of licensing
  • Licensing staff requirements
  • Inspections and monitoring
  • The role of licensing in quality initiatives

Data on child care center licensing regulations were compiled from the regulations posted on the National Resource Center for Health and Safety in Child Care and Early Education Web site (http://nrc.uchsc.edu/STATES/states.htm) between January 1 and December 31, 2005. The data cover the following areas:

  • Licensing regulations
  • Additional staff training requirements
  • Definition of licensed child care centers
  • Child-staff ratios and group size
  • Staff roles and age requirements
  • Supervision of children
  • Staff qualifications and ongoing training requirements
  • Care of children
  • Facility requirements
  • Staff hiring requirements

More information on the study is located on the National Association for Regulatory Administration Web site.

Curated
Partially restricted

Evaluation of the Texas State Public School Nutrition Policy Change on Student Food Selection and Sales, School Years 2003-2004 and 2004-2005 (ICPSR 20966)

Released/updated on: 2007-11-19
Geographic coverage: United States, Texas
Time period: 2003-01-01--2005-12-31
In August 2004, Texas implemented the Texas Public School Nutrition Policy in order to promote healthier nutrition in its schools. The new policy restricted high fat and high sugar foods, reduced portion sizes, and phased out "deep-fat fried" foods in school food service environments. This study evaluated the impact of that policy by comparing National School Lunch Program (NSLP) production records and school snack bar/a la carte line sales data before and after the policy was implemented. Data from a number of Texas elementary, middle, and high schools for the prepolicy 2003-2004 school year were compared with their data for the postpolicy 2004-2005 school year. Daily NSLP production records list the number of servings of fresh fruit, canned fruit, regular vegetables, high fat vegetables (french fries), legumes, orange juice, apple juice, grape juice, whole milk, fat free milk, chocolate milk, strawberry milk, variety milk, yogurt, low fat/fat free cheese, string cheese, and cube cheese served to students. The snack bar/a la carte line data report annual sales of candy, baked chips, regular chips, deserts, sweetened drinks, ice cream, and water. Demographic information about the schools' school districts include socioeconomic status (less than half of the students eligible for free or reduced price lunches under NSLP/half or more eligible), district size (less than 10,000 students/10,000 or more students), and percentages of Hispanic, Black, and White students. Demographic information about the schools, themselves, includes number of registered students, average number of students and adults served per day, and percent of students eligible for free or reduced price lunches.
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