Description & Citation--Study No. 21600 | |
Bibliographic Description | |
| ICPSR Study No.: | 21600 |
|---|---|
| Persistent URL: | http://dx.doi.org/10.3886/ICPSR21600 |
| Title: | National Longitudinal Study of Adolescent Health (Add Health), 1994-2002 |
| Principal Investigator(s): | Kathleen Mullan Harris, University of North Carolina-Chapel Hill |
| J. Richard Udry, University of North Carolina-Chapel Hill | |
| Funding Agency: | Eunice Kennedy Shriver National Institute of Child Health and Human Development |
| National Cancer Institute | |
| National Institute of Alcohol Abuse and Alcoholism | |
| National Institute on Deafness and Other Communication Disorders | |
| National Institute on Drug Abuse | |
| National Institute of General Medical Sciences | |
| National Institute of Mental Health | |
| National Institute of Nursing Research | |
| National Institutes of Health. Office of AIDS Research | |
| National Institutes of Health. Office of Behavior and Social Science Research | |
| National Institutes of Health. Office of the Director | |
| National Institutes of Health. Office of Research on Women's Health | |
| United States Department of Health and Human Services. Office of Population Affairs | |
| 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 | |
| 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 | |
| Grant Number: | P01-HD31921 |
| Bibliographic Citation: | Harris, Kathleen Mullan, and J. Richard Udry. National Longitudinal Study of Adolescent Health (Add Health), 1994-2002 [Computer file]. ICPSR21600-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2009-03-11. doi:10.3886/ICPSR21600 |
Scope of Study | |
| 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 1994-95 school year. The Add Health cohort has been followed into young adulthood with three in-home interviews, the most recent in 2001-2002, when the sample was aged 18-26. 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. |
| Subject Term(s): | academic achievement, adolescents, alcohol consumption, birth control, classroom environment, contraception, dating (social), drinking behavior, drug use, eating habits, educational environment, 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, neighborhoods, parent child relationship, parental attitudes, parental influence, physical characteristics, physical condition, physical fitness, physical limitations, 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 |
| Geographic Coverage: | United States |
| Time Period: | 1994 - 2002 |
| Date(s) of Collection: | 1994 - 2002 |
| Unit of Observation: | individual |
| Universe: | Adolescents in grades 7-12 and their families. |
| Data Type: | survey data |
| Data Collection Notes: | Wave I and II field work was conducted by the National Opinion Research Center of the University of Chicago (link). Wave III field work was conducted by the Research Triangle Institute (link). |
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 1 (21600-0001) are in a separate data file: 21600-0002. Weights for Wave 2 are included in the Wave 1 weight data file: 21600-0002. Wave 3 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 | |
Access and Availability | |
| Note: | A list of the data formats available for this study can be found in the summary of holdings. Detailed file-level information (such as record length, case count, and variable count) is listed in the file manifest. |
| Original ICPSR Release: | 2008-08-04 |
| Version History: | The last update of this study occurred on 2009-03-11. |
| 2009-03-11 - Primary investigator asked that the title to Part 2 be changed. In addition, value labels were corrected to Parts 3, 7, 8, 9, and 10. The corrections addressed an issue caused by brackets in the values labels. | |
| 2009-02-23 - Primary investigator identified an incorrect variable label in the Wave II public use data in their original submission and asked for it to be corrected. New documentation and data files were generated with the corrected variable label. | |
| 2008-10-31 - Three new public-use datasets have been added (datasets 18, 19, and 20). | |
| 2008-08-19 - Descriptive content has been added to the metadata record. | |
| Dataset(s): |
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