National Longitudinal Study of Adolescent Health

**Definition:** Longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-95 school year. The Add Health cohort has been followed into young adulthood. (from http://www.cpc.unc.edu/projects/addhealth accessed 08/2012)

**Tree numbers:** - E05.318.372.500.750.500.500 - N05.715.360.330.500.750.500.500 - N06.850.520.450.500.750.500.500

**Synonyms:** - Add Health Study