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
* For 1973–78 cohort Low = no formal education/school to grade 10, Middle = high school/trade/apprenticeship, high = certificate/diploma/degree/higher degree; for 1946–51 cohort Low = no formal school
This paper provides a summary of data issues relating to LSAC's Child Health CheckPoint. It is designed to assist CheckPoint data users as they undertake research and analysis using the dataset. This
Murdoch Childrens Research Institute2026-03-15 更新10
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
'H85' is one of the longitudinal studies from Gothenburg where representative populations of older people has been followed over a long period. (Information about the studies...
