Home Page

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-VI.

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.

decorative image
November 6, 2025

Wave VI Add CAPS Data Released

The following Add CAPS data are now available: Animal Naming Test This test provides data on a participant’s verbal fluency/language by assessing their ability to...
Read More
September 29, 2025

Wave VI Data Now Available!

Add Health is pleased to announce the following Wave VI Restricted-Use Data are now available: Wave VI Mixed-Mode Survey (Samples 1 and 2) Wave VI...
Read More
decorative image
September 23, 2025

New Add Health Contracts Management System (CMS) Now Available!

The new Contracts Management System (CMS) is now available. Any researcher interested in applying for a new restricted-use contract or renewing their existing contract may...
Read More
1 2 3 4 5 … 21

Add Health