​​​​​​​​Dataset Documentation

The documentation below is available to the public. Updated datasets are published to this website periodically from snapshots of the WHI database. Most often, updates are published annually. For information on requesting access to the datasets, the current publish date and more, please see the Data page. If you have a question, please contact the WHI Helpdesk (helpdesk@whi.org).

Search for Variables

Use the search tool to find variables.

​Download Data Dictionaries



WHI Data Collection and Procedures

We strongly encourage you to review the following documents, which are helpful in understanding the WHI data.