Study Search Results Your query returned 5 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. Health Behavior in School-Aged Children, 1997-1998 [United States] (ICPSR 3522) World Health Organization 2. National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994-2008 [Public Use] (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 3. Drug Use Among Young American Indians: Epidemiology and Prediction, 2001-2006 and 2009-2013 (ICPSR 35062) Beauvais, Fred; Swaim, Randall 4. Iowa Youth and Families Project, 1989-1992 (ICPSR 26721) Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al. 5. Youth Development Study, 1988-2004 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T.