The National Health Interview Survey is a cross-sectional household interview survey. Sampling and interviewing are continuous throughout each year. The sampling plan follows a multistage area probability design that permits the representative sampling of households and noninstitutional group quarters (e.g., college dormitories). NHIS addresses topics such as health status, use of health services,...

The Area Health Resources Files (AHRF) provides 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. It contains 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 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 WTC Health Registry is an epidemiological cohort study created as a public health response to 9/11. The Registy includes a confidential baseline health survey in 2003 or 2004. The Registry completed a follow-up survey of adults in 2007 and children in 2008. In 2011, it launched its third survey for adults, adolescents and parents of adolescents. Each participant answered a series of questions about...

The T1D Exchange Clinic Registry collects information on individuals living with type 1 diabetes in order to help researchers characterize individuals living with the disease, conduct exploratory or hypothesis-generating analyses, and identifying participants for future clinical studies. The registry includes over 26,000 individuals with T1D, ranging in age at the time of enrollment from under 1 year...

Health Information National Trends Survey (HINTS) collects nationally representative data about the American public's use of cancer-related information. The survey collects information about cancer communication, cancer perceptions and knowledge, demographics, food and medical products information, health communication, health services, health status, internet use, medical research and medical records,...

The Outcome and Assessment Information Set (OASIS) is collected by the Centers for Medicare and Medicaid Services, and data is collected from all Medicare and Medicaid certified home care agencies, which comprise approximately 90% of all home care agencies. It is collected as a means to enable the rigorous and systematic measurement of patient home health care outcomes with appropriate adjustment for...