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New Data Releases

To apply for the any of these restricted-use data files:

  • New users will need to apply for restricted-use data. Please download and complete the restricted-use data contract using the CPC Data Portal.
  • Current Add Health users can log in to their CPC Data Portal application to request additional data.

For more information, please visit the Data Portal's Frequently Asked Questions page. 

Data Released (November 14, 2019)

Wave IV College Characteristics Data

College-level data were linked to each degree based on the institution from which the respondent reported receiving each degree.

Wave III & IV College Mobility Data

At Wave III & IV respondents who answered in the affirmative were then asked to report the institution from which they were currently enrolled or received this degree.

Wave I & IV County Health, Mobility, and Tobacco Tax Data

The Wave I & IV County Health and Mobility database summarizes the socioeconomic, health, and mobility characteristics of the environments in which Add Health participants were living at the time of their Wave I & IV interview.

Wave II & III Tobacco Tax Data

Wave II & III Tobacco Tax Data file supplements the County Health and Mobility database available for Waves I & IV.

Wave I, III & IV Sunset Data

These data present average sunset time over the course of the year for the respondent’s Census block group.

Wave IV PGS Risk-Tolerance

Contains polygenic scores for general risk tolerance, adventurousness and risky behaviors in the driving, drinking, smoking and sexual domains. Polygenic scores were created for unrelated, Add Health participants of European Ancestry. Score metrics were generated using Plink, LDPred or MTAG software using the UK Biobank GWAS study.