This module describes how Continuous NHANES dietary data are structured and organized. In this context, structure refers to the way the data are organized within the NHANES framework.
Before you begin a search for any specific diet-related variables on the website, you should first understand the NHANES data structure and how diet files fit in.
Data collected from the dietary recall interviews are found in four files located in the Examination section.
Data collected from the food frequency questionnaires are found in two files located in the Questionnaire section.
Data collected from the dietary supplement interviews are found in five files located in the Questionnaire section.
National Center for Health
Statistics
3311 Toledo Road
Hyattsville, MD 20782
Phone: 1-866-441-NCHS (6247)
For data inquiries, use
nchsquery@cdc.gov
Problems or comments about the Tutorial?
Email the Tutorial Team:
NHANESWebTutorial@cdc.gov
Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA 30333, U.S.A
Tel: (404) 639-3311 / Public Inquiries: (404) 639-3534 / (800) 311-3435