10.3886/ICPSR27881.v4 Harris, Kathleen Mullan Udry, J. Richard Inter-university Consortium for Political and Social Research 2010 academic achievement adolescents alcohol consumption birth control census tract level classroom environment climate contraception cost of living crime rates crime statistics dating (social) drinking behavior drug use eating habits educational environment employment families family planning family relationships family structure friendships health health behavior health care access health status household composition interpersonal relations living arrangements marriage neighborhood characteristics neighborhood conditions neighborhoods obesity parent child relationship parental attitudes parental influence physical characteristics physical condition physical fitness physical limitations population density pregnancy history public assistance programs religious behavior religious beliefs school attendance self concept self esteem sexual attitudes sexual behavior smoking social environment social networks tobacco use violent behavior welfare services 2010-06-04 2011-02-18 1994 2008 administrative records data; census/enumeration data 27881 4 The Obesity and Neighborhood Environment (ONE) database is a collection of variables derived using spatial analysis techniques that link community-level data to individual Add Health respondent residential locations in both space and time. The database provides physical, social, and economic neighborhood environment measures corresponding with Add Health respondent locations in Waves I and III. Community-level data include density and proximity to recreational facilities, land use patterning, population, economic, climate, and crime statistics, which are linked spatially and temporally to individual-level Add Health behavior and health outcome data. Request for these files must include a brief justification explaining the necessity and relevance of the data to the research agenda. There are no special security requirements. For more information, please see the <a href="http://www.cpc.unc.edu/projects/addhealth">study website</a>.