Study Search Results Your query returned 4 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. National Longitudinal Study of Adolescent Health (Add Health), 1994-2008 (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 2. Drug Use Among Young American Indians: Epidemiology and Prediction, 2001-2006 and 2009-2013 (ICPSR 35062) Beauvais, Fred; Swaim, Randall 3. Research on Pathways to Desistance [Maricopa County, AZ and Philadelphia County, PA]: Release Measures, 2000-2010 [Restricted] (ICPSR 34488) Mulvey, Edward P. 4. Health Behavior in School-Aged Children (HBSC), 2009-2010 (ICPSR 34792) Iannotti, Ronald J.