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News and Announcements

April 28, 2026

New Data Available!

The following data is now available from Add Health: Wave VI Baroreflex Sensitivity and Hemodynamic RecoveryThis file contains constructed measures for baroreflex sensitivity, heart rate...
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March 4, 2026

Wave VI Public-Use Data Available

Add Health is pleased to announce the following Wave VI Public-Use Data are now available: Mixed-Mode Survey Data Data Weights Anthropometrics Cardiovascular Measures Demographics Glucose...
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February 11, 2026

Study using Add Health Data Featured in New York Times

Recently featured in The New York Times, a study by R.C. Whitaker et al. used Add Health data to examine the link between adolescents’ sense...
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Key Resources

Study Documentation

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

Data Documentation

A comprehensive resource that catalogs all available datasets, including file details, access information, data user guides and codebooks defining variables and data layout.

Add Health Codebook Explorer

Use the Add Health Codebook Explorer (ACE) to view questions asked of respondents, parents, and interviewers during the In-School and In-Home interviews in Waves I through V.

Public-Use Data Sets

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

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.

Study Design

Documentation detailing the study design of each wave of data collection, including sampling and fieldwork information.

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