The following links may be helpful as a complement to the NHANES Dietary Web Tutorial. Please note that references on these sites to any specific commercial products, process, service, manufacturer, or company do not constitute an endorsement or recommendation by the U.S. Government or CDC. CDC is not responsible for the content of any "off-site" Web page and does not take any ownership of the content found on external non-federal Web sites that link back to the CDC. Information or services detailed on external sites are not endorsed, warranted or guaranteed and are not necessarily representative of the views of CDC or the U.S. Department of Health and Human Service.
National Cancer Institute Links
Usual Dietary Intakes: Background
This page provides the rationale for using statistical methods to estimate usual intakes.
Usual Dietary Intakes: The NCI Method
This page summarizes the NCI method for estimating usual intake of nutrients and foods and provides answers to frequently asked questions about the method.
Usual Dietary Intakes: Details of the Method
This page outlines the NCI approach to estimating usual intakes in further detail.
Usual Dietary Intakes: Food Intakes, US Population, 2001-04
This series of tables provides the first ever estimates of distributions of food intake for the US population, for a wide range of food groups.
Usual Dietary Intakes: SAS Macros for Running the NCI Method
To help analysts get started, this page contains sample programs and macros for analysis of data, including those from the NHANES, and an associated users guide.
U.S. Department of Agriculture Links
Food and Nutrient Database for Dietary Studies (FNDDS)
The FNDDS is a database of foods, their nutrient values, and their weights for typical food portions. The components of the FNDDS are used to process and analyze NHANES dietary recall data.
My Pyramid Equivalents Database
The MyPyramid Equivalents Database (MPED) is a tool to help researchers examine dietary recall data in terms of MyPyramid-defined food groups and portion units.
USDA Food Coding Scheme
The USDA food coding scheme is a way of organizing the thousands of food codes used in NHANES and can be used as a guide to grouping foods for your particular research needs.
What’s in the Foods You Eat Search Tool
The USDA’s What's in the Foods You Eat is a tool allows you to easily search the FNDDS.
Choosing the correct analysis
The table shows general guidelines for choosing a statistical analysis for various survey designs and in Stata, SAS, and SPSS.
Summary of Survey Analysis Software
This page is a summary of available software for the analysis of surveys with complex sample designs and a references to review articles with links to on-line articles.