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 Atherosclerosis Risk in Communities (ARIC) Study is a prospective longitudinal epidemiological study conducted in four communities: Forsyth County (North Carolina), Jackson (Mississippi), Minneapolis (Minnesota), and Washington County (Maryland). ARIC is designed to investigate the causes of atherosclerosis and its clinical outcomes, and variations in cardiovascular risk factors, medical care,...

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...

This ongoing prospective cohort study examines a wide range of individual, social and structural factors as predictors of risk and resilience for behavioral outcomes (e.g., substance use and sexual activity), mental health conditions (e.g., depression, anxiety) and biological outcomes (e.g., HIV seroconversion, viral and bacterial sexually transmitted infections) in a sample of emerging adult men based...

Data from the ongoing NYU Women's Health Study include biospecimens and survey data with variables concerning health conditions, reproductive history, and dietary habits. Between 1985 and 1991, the NYU Women's Health Study enrolled 14,274 women between the ages of 35 and 65 years old at the Guttman Breast Diagnostic Institute in New York City for a study of endogenous hormones, diet, and risk of breast...

This dataset consists of the first, second, third, fourth, fifth, and sixth waves of a multi wave panel survey that studied newly licensed registered nurses who obtained their first license to practice between September 1, 2004 and August 31, 2005. It was conducted as part of the RN Work Project, a national study of new nurses funded by the Robert Wood Johnson Foundation. The survey was conducted in...

The Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial was a large randomized controlled trial that assessed whether certain screening practices decreased deaths from prostate, lung, colorectal and ovarian cancer. Approximately 155,000 men and women aged 55 to 74 years old were enrolled from 10 screening centers across the United States between November 1993 and July 2001. Participants...

The Child Health and Development Studies (CHDS) were launched in 1959 as prospective longitudinal cohort studies on pregnancy, delivery, and child development from birth through adolescence. Between 1959 and 1967, 15,000 families with expectant mothers who were members of the Kaiser Foundation Health Plan in Oakland, California consented to enrollment. Health and lifestyle data on mothers, fathers,...

Generation R is an ongoing prospective cohort study of child development from the prenatal period through young adulthood in a multi-ethnic population recruited from the Rotterdam, Netherlands metropolitan area. The study enrolled 9,778 mothers with a delivery date between April 2002 and January 2006; they had 9,749 live births. The primary objective of the study is to identify early environmental...