The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. An ongoing annual survey combines interviews and physical examinations. The NHANES interview includes demographic, socioeconomic, dietary, and health-related questions. The examination component consists of medical, dental,...

The Behavioral Risk Factor Surveillance System (BRFSS) is a collection of health-related telephone surveys distributed to United States residents aged 18 and older regarding their health-related risk behaviors, chronic health conditions, and use of preventive services. BRFSS collects data in all 50 states as well as the District of Columbia and three US territories about US residents regarding their...

The Area Health Resources Files (AHRF) provide current as well as historic data for more than 6,000 variables for each of the nation's counties, as well as state and national data. They contain information on health facilities, health professions, measures of resource scarcity, health status, economic activity, health training programs, and socioeconomic and environmental characteristics. In addition,...

The NYC Health and Nutritional Examination Survey (NYC HANES), modeled on the National Health and Nutrition Examination Survey (NHANES), is a population-based, cross-sectional study with data collected from physical examinations, clinical and laboratory tests, as well as face-to-face interviews and audio computer-assisted self-interviews (ACASI). It was first conducted in 2004 by the NYC Department...

The Decennial Census provides population estimates and demographic information on residents of the United States. The Census Summary Files contain detailed tables on responses to the decennial census. Data tables in Summary File 1 provide information on population and housing characteristics, including cross-tabulations of age, sex, households, families, relationship to householder, housing units,...

The University of Michigan Health and Retirement Study (HRS) is a longitudinal panel study that surveys a representative sample of more than 26,000 Americans over the age of 50 every two years. The HRS explores the changes in labor force participation and the health transitions that individuals undergo toward the end of their work lives and in the years that follow, collecting information about income,...

The National Longitudinal Surveys (NLS) are a set of surveys conducted by the US Bureau of Labor Statistics (BLS) to gather information at multiple points in time on the labor market activities and other significant life events of several cohorts of men and women. The National Longitudinal Survey of Youth (NSLY) consists of the NLSY79 cohort (nationally-representative sample of 12,686 14-22 year olds)...

The Current Population Survey (CPS) is a monthly survey of approximately 60,000 households in the United States that is conducted by the Bureau of Census for the Bureau of Labor Statistics. The survey is administered both in person and through telephone interviews. It provides a comprehensive body of data on the labor force, employment, unemployment, persons not in the labor force, hours of work, earnings,...

The Substance Abuse and Mental Health Services Administration (SAHMSA) maintains the Treatment Episode Data Set (TEDS), a national data system of annual admissions (TEDS-A) to and discharges (TEDS-D) from substance abuse treatment facilities in the United States. TEDS collects information on service setting, treatment details, and demographic variables from state agencies on all admissions and discharges...

The National Longitudinal Study of Adolescent Health (Add Health) is a longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-1995 school year. Add Health combines longitudinal survey data on respondents' social, economic, psychological and physical well-being with contextual data on the family, neighborhood, community, school, friendships,...