About Public-Use Data

Waves I and II

The public-use dataset for Waves I and II contains information collected in 1994–96 from Add Health’s nationally representative sample of adolescents. This dataset includes Wave I and II respondents and consists of one-half of the core sample, chosen at random, and one-half of the oversample of African-American adolescents with a parent who has a college degree. The total number of respondents in this dataset is approximately 6,500.

The Waves I and II public-use dataset includes information from each of the following sources (as available):

• In-School Questionnaire
• Wave I In-Home Interview
• Add Health Picture Vocabulary Test (AHPVT), an abbreviated version of the Peabody Picture Vocabulary Test—Revised, with age-standardized scores for adolescent respondents
• Wave I Parent Questionnaire
• Wave II In-Home Interview
• contextual data
• in-school network data

Wave III

The Wave III public-use data are helpful in analyzing the transition between adolescence and young adulthood. A total of 4,882 of the original Wave I respondents were re-interviewed between August 2001 and April 2002. Wave III respondents were between 18 and 26 years old.

The Wave III dataset includes eight data files:

• Main Respondent File: 1859 variables, including the In-Home Questionnaire data, grand sampling weights, AHPVT scores, and biospecimen data for 4,882 respondents
• Relationship Table File: 19 variables and 13,998 relationship records
• Pregnancy Table File: 7 variables and 2,348 pregnancy records
• Relationship Detail File: 209 variables and detailed information on 12,680 relationships
• Completed Pregnancies File: 39 variables and information on 2,163 completed pregnancies
• Current Pregnancies File: 39 variables and information on 180 current pregnancies
• Live Births File: 20 variables and information about 1,357 live births
• Children and Parenting File: 74 variables and detailed information about 1,323 children
• Education Data
  

Getting Public-Use Data

Public-use data are distributed by Sociometrics on CD-ROM in ASCII format. This data is preloaded with a search-and-retrieval system that can be used by several standard statistical packages.

For more information or to obtain the public-use data, contact:

Sociometrics Corporation
170 State Street, Suite 260
Los Altos, California 94022-2812
telephone: 650-949-3282
fax: 650-949-3299
socio@socio.com

Read about the data at Sociometrics web site.
Waves I, II, and III
Waves I and II only
Wave III only

Education Data

Please do not contact the University of North Carolina at Chapel Hill for the public-use data.

Limited online analysis

Limited analysis can be performed online on selected variables from the Add Health public-use data. See Online Analysis for more information.