National Longitudinal Study of Adolescent Health (Add Health), 1990-2008: Political Context Database [Restricted Use] (ICPSR 28843)
Version Date: Jun 30, 2014 View help for published
Principal Investigator(s): View help for Principal Investigator(s)
Kathleen Mullan Harris, University of North Carolina-Chapel Hill;
J. Richard Udry, University of North Carolina-Chapel Hill
https://doi.org/10.3886/ICPSR28843.v2
Version V2
This version of the data collection is no longer distributed by ICPSR.
Additional information may be available in Collection Notes.
2014-06-30: This study has been deaccessioned and is no longer distributed by ICPSR or DSDR. More information on accessing Add Health restricted-use data can be found on the Add Health website.
Summary View help for Summary
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 school year. The Add Health cohort has been followed into young adulthood with four in-home interviews, the most recent in 2008, when the sample was aged 24-32. Add Health combines longitudinal survey data on respondents' social, economic, psychological, and physical well-being with contextual data on the family, neighborhood, community, school, friendships, peer groups, and romantic relationships, providing unique opportunities to study how social environments and behaviors in adolescence are linked to health and achievement outcomes in young adulthood. The fourth wave of interviews expanded the collection of biological data in Add Health to understand the social, behavioral, and biological linkages in health trajectories as the Add Health cohort ages through adulthood. The Add Health Political Context Database provides an array of measures that describe the political environments in which Add Health respondents reside and, thereby, enables researchers to explore the role of certain contextual influences on adolescent and early adult political behaviors. The Political Context Data was collected from 1990-2004. For more information, please see the study website.
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Subject Terms View help for Subject Terms
Geographic Coverage View help for Geographic Coverage
Smallest Geographic Unit View help for Smallest Geographic Unit
county
Restrictions View help for Restrictions
All data in this study are restricted and are available under a Restricted Data Use Agreement.
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Date of Collection View help for Date of Collection
Data Collection Notes View help for Data Collection Notes
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2014-06-30: This study has been deaccessioned and is no longer distributed by ICPSR or DSDR. More information on accessing Add Health restricted-use data can be found on the Add Health website.
Sample View help for Sample
Wave I, Stage 1 School sample: Stratified, random sample of all high schools in the United States. A school was eligible for the sample if it included an 11th grade and had a minimum enrollment of 30 students. A feeder school, a school that sent graduates to the high school and that included a 7th grade, was also recruited from the community. Wave I, Stage 2: An in-home sample of 27,000 adolescents was drawn consisting of a core sample from each community plus selected special over samples. Eligibility for over samples was determined by an adolescent's responses on the In-School Questionnaire. Adolescents could qualify for more than one sample. For this dataset, the voting results for all counties and states in which respondents reside were obtained.
Time Method View help for Time Method
Universe View help for Universe
Census of counties and states in which respondents reside.
Unit(s) of Observation View help for Unit(s) of Observation
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Mode of Data Collection View help for Mode of Data Collection
HideOriginal Release Date View help for Original Release Date
2010-08-25
Version History View help for Version History
- Harris, Kathleen Mullan, and J. Richard Udry. National Longitudinal Study of Adolescent Health (Add Health), 1990-2008: Political Context Database [Restricted Use]. ICPSR28843-v2. Chapel Hill, NC: Carolina Population Center, University of North Carolina-Chapel Hill/Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributors], 2011-02-18. http://doi.org/10.3886/ICPSR28843.v2
2011-02-18 Title, summary, and collection dates were updated to reflect an additional data collection wave in 2008.
2010-11-29 Corrected study timeframe.
2010-08-25 ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Performed consistency checks.
- Standardized missing values.
- Checked for undocumented or out-of-range codes.