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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. If you do not have a CPC Data Portal application yet, please email  for instructions.

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

Wave III & IV Sexual Minority Policy Data
(Released: May 3, 2019)

This database includes indicators of the policy context for sexual minorities (a population typically defined based on co-residence with a same-sex partner or self-identification as gay, lesbian, or bisexual) in Waves III & IV of Add Health. These data will enable researchers to examine how state-level policies in young adulthood are associated with a wide range of indicators of health and well-being among sexual minorities.

Add Health Parent Study (2015-2017) Medication
(Released: May 3, 2019)

 Therapeutic classifications for medications data collected (2015-17) from Wave I Parent and Spouse or Parent.

Add Health Parent Study (2015-2017) Family Health History, Disposition, and National Death Index Data
(Released: January 24, 2019)

The Add Health Parent Study (2015-2017) Family Health History files contain data from the Wave I parent (n=2,247) and spouse/partner (n=1,118) who returned the Add Health Parent Study family health history leave-behind forms. The Add Health Parent Study (2015-2017) Disposition File (n=20,745) contains the final disposition codes for Wave I parents selected for the interview. The Add Health Parent Study (2015-2017) National Death Index File (n=226) contains the underlying cause of death and days alive after the Wave I interview for Wave I parents selected for the  interview who are coded as deceased in the disposition file.