National Health and Nutrition Examination Survey

National Health and Nutrition Examination Survey

What's New
2019-March 2020 Convenience Sample Data Release

Limited Access Data
Demographics Data

Laboratory Data

Questionnaire Data

2017-March 2020 Pre-Pandemic Sample Data Release

Laboratory Data

Questionnaire Data

Limited Access Data

Updated Data

The Diet Behavior and Nutrition questionnaire dataset from the 2017-March 2020 pre-pandemic sample (P_DBQ) were updated to correct data entry errors in 7 records on DBD055, DBD061, DBQ073A and/or DBQ073U.

Page last reviewed: December 30, 2021