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Restricted-Use Contractual Data

The more extensive restricted-use data, available by contractual agreement, will be distributed only to certified researchers who commit themselves to maintaining limited access. To be eligible to enter into a contract, researchers must have an IRB-approved security plan for handling and storing sensitive data and sign a data-use contract agreeing to keep the data confidential. Contractual data are provided in separate, linkable datasets and contain a hidden signature identifying the purchaser.

Getting Restricted-Use Contractual Data

To apply for restricted-use data, please download and complete the Restricted-Use Data contract using the CPC Data Portal.  See our Contracts page, FAQ contracts page, or email if you have any questions.

Restricted-Use Codebooks

Codebooks describing the restricted-use data can be downloaded from the Restricted-Use Dataset Descriptions & Codebooks page.