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National Longitudinal Study of Adolescent Health (Add Health), 1994-2008: Sibling Files [Restricted Use] (ICPSR 27023) RSS

Principal Investigator(s):

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 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 files contained in this component of the Add Health restricted data are the Wave I Adolescent Pair Data and the Wave III Sibling ID Numbers. The Adolescent Pair Data contains information that links and describes the sibling pairs. The Wave III Sibling ID Number data contains the IDs of siblings who also participated in the Wave I or Wave II in-home interviews. For more information, please see the study website.

Access Notes

Study Description

Citation

Harris, Kathleen Mullan, and J. Richard Udry. National Longitudinal Study of Adolescent Health (Add Health), 1994-2008: Sibling Files [Restricted Use]. ICPSR27023-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/ICPSR27023.v2

Persistent URL:

Export Citation:

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Funding

This study was funded by:

  • United States Department of Health and Human Services. National Institutes of Health. Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01-HD31921)
  • United States Department of Health and Human Services. National Institutes of Health. National Cancer Institute
  • United States Department of Health and Human Services. National Institutes of Health. Office of Behavioral and Social Sciences Research
  • United States Department of Health and Human Services. National Institutes of Health. National Institute on Deafness and Other Communication Disorders
  • United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse
  • United States Department of Health and Human Services. National Institutes of Health. National Institute of General Medical Sciences
  • United States Department of Health and Human Services. National Institutes of Health. National Institute of Mental Health
  • United States Department of Health and Human Services. National Institutes of Health. Office of Research on Women's Health
  • United States Department of Health and Human Services. Office of Public Health and Science. Office of Population Affairs
  • United States Department of Health and Human Services. National Institutes of Health. National Institute on Alcohol Abuse and Alcoholism
  • United States Department of Health and Human Services. National Institutes of Health. National Institute of Nursing Research
  • United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics
  • United States Department of Health and Human Services. Centers for Disease Control and Prevention. Office of Minority Health and Health Disparities
  • United States Department of Health and Human Services. National Institutes of Health. Office of AIDS Research
  • United States Department of Health and Human Services. Office of Public Health and Science. Office of Minority Health
  • United States Department of Health and Human Services. Office of the Assistant Secretary for Planning and Evaluation
  • National Science Foundation

Scope of Study

Methodology

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. In addition, parents were asked to complete a questionnaire about family and relationships. The Wave II in-home interview sample is the same as the Wave I in-home interview sample, with a few exceptions. Information about neighborhoods/communities was gathered from a variety of previously published databases. Wave III: The in-home Wave III sample consists of Wave I respondents who could be located and re-interviewed six years later. Wave III also collected High School Transcript Release Forms as well as samples of urine and saliva.

Weight:   Weight variables for Wave I (21600-0001) are in a separate data file: 21600-0002. Weights for Wave II are included in the Wave I weight data file: 21600-0002. Wave III weights are in a separate data file: 21600-0013. Education data weights are in 21600-0016 and 21600-0017.

Mode of Data Collection:   audio computer-assisted self interview (ACASI), record abstracts, computer-assisted personal interview (CAPI), computer-assisted self interview (CASI), computer-assisted telephone interview (CATI), coded on-site observation, cognitive assessment test, face-to-face interview, paper and pencil interview (PAPI), self-enumerated questionnaire, on-site questionnaire, telephone interview

Extent of Processing:  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.

Version(s)

Original ICPSR Release:  

Version History:

  • 2011-02-18 Title, summary, and collection dates were updated to reflect an additional data collection wave in 2008.
  • 2010-02-03 Codebooks and documentation were made available for public download.