The Interactive Diet and Activity Tracking in AARP (IDATA) is a biomarker validation study of internet-based and conventional self-reports for assessing diet and physical activity. IDATA has the ClinicalTrials.gov registration number NCT03268577.

Collection of data started in early 2012 and ended in late 2013. 1,082 people were screened by phone, screened at the clinic and consented to use of their data.

• Learn about IDATA
  Describes the study, explaining how and what data were collected. The main findings of the study can be found here.
• Datasets
  This page has detailed documentation of the IDATA data available on this website. Each dataset has a data dictionary, SAS format code, and a user guide.
• Approved Projects
  Search through approved projects that used IDATA data.
• Publications
  Search through published articles on IDATA data.
• Begin process to obtain IDATA datasets by submitting a request.
  Learn how to access the available IDATA data. All requests are reviewed by NCI. If your request is approved, you will be required to complete a Data Transfer Agreement before you will be granted access to the data.
• Contact Us
  If you have any questions about the data or access to it, please contact us.

Submit an IDATA Application

To gain access to available IDATA data and/or biospecimens, you must submit a project proposal. These are reviewed by NCI. If your project is approved, you will be required to complete a Data Transfer Agreement (and a Material Transfer Agreement, if applicable) before you will be granted access.

There are two types of IDATA project. You may click one to begin a new project proposal.