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Key Resources

User Guides

Detailed documentation designed to help users understand the study design, data sets, and guidelines for analyzing the data.

Codebooks

PDF codebooks for coding responses and documenting the layout and code definitions of the data files.

Add Health Navigator

Metadata discovery tool to explore and create custom codebooks, as well as provide a wave to wave variable comparison for Waves I-V.

Public-Use Data Sets

Access and download the public use codebooks and data sets which contain a reduced sample size (Waves I-V).

Restricted-Use Data Sets

Access the data sets available via restricted-use contract, renew contract, add researchers, and transfer or terminate contract. Data linkages are not allowable with a restricted-use contract.

Ancillary Studies

Submit an application to add new contextual or biological data to the Add Health data sets, including data linkages.

News

December 16, 2014

Health Outcomes in Young Adults From Foster Care and Economically Diverse Backgrounds

Add Health research featured in Pediatrics

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November 21, 2014

Washington Post & ABC News feature Add Health research on network ecology and adolescent social structure

Using longitudinal friendship data from the National Longitudinal Study of Adolescent to Adult Health, as well as individual classroom data from the Classroom Engagement Study,...

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October 30, 2014

Change to the Add Health Study Name

Include the new study name, National Longitudinal Study of Adolescent to Adult Health, in your Add Health publications Add Health has been renamed the National...

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