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 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 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 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,...

The Monitoring the Future annual surveys explore trends and changes in important values, behaviors, and lifestyles of contemporary American youth. Each year, nationally representative samples of 8th-, 10th-, and 12th-grade students in the United States are asked to respond to drug use and demographic questions, as well as a subset of topical questions on a variety of subjects such as attitudes toward...

The Fragile Families and Child Wellbeing Study is following a cohort of nearly 5,000 children born in large U.S. cities between 1998 and 2000, roughly three-quarters of whom were born to unmarried parents. The study consists of interviews with both mothers and fathers at birth and again when children are ages one, three and five, plus in-home assessments of children and their home environments at ages...

The National Youth Tobacco Survey (NYTS) provides national data on long-term, intermediate, and short-term indicators key to the design, implementation, and evaluation of comprehensive tobacco prevention and control programs. Items measured as part of the NYTS survey include correlates of tobacco use such as demographics, minors' access to tobacco, and exposure to secondhand smoke. The NYTS provides...

The Atherosclerosis Risk in Communities (ARIC) Study is a prospective longitudinal epidemiological study conducted in four U.S. communities in North Carolina, Massachusetts, Maryland, and Minnesota. ARIC is designed to investigate the causes of atherosclerosis and its clinical outcomes, and variations in cardiovascular risk factors, medical care, and disease by race, gender, location, and date. ARIC...

The Framingham Heart Study (FHS) is an ongoing cohort study dedicated to identifying common factors or characteristics that contribute to cardiovascular disease (CVD). It is a collaborative project of the National Heart, Lung and Blood Institute and Boston University. In 1948, an original cohort of 5,209 men and women between 30 and 62 years old were recruited from Framingham, MA. An Offspring Cohort...