The baseline data dictionaries contain more than 250 computed variables. The documents below contain supplemental information about how some of the Diet computed variables are constructed.
Summary of available nutrients from the FFQ
Summary of available MPEDs and HEI variables from the FFQ
My Pyramid Equivalents Database 2.0 (MPEDs) and Diet Quality Indices for the WHI FFQ
FFQ Analysis of Folate
Biomarker Calibration Information (★new version, January 2018★)
W8 Nutritional Biomarkers Study (NBS) Information and Data
AS218 Nutrition and Physical Activity Assessment Study (NPAAS) Information and Data
WHI FFQ Diet-Disease Analysis Guidelines
WHI FFQ Nutrient Database Estimations – considerations for researchers
Also refer to the
Data Prep document, 4.8-FFQ, on page 5.
Sep. 2016: Diet Quality Index Scoring Guidelines added for aMED, DASH and HEI-2010. See
My Pyramid Equivalents Database 2.0 (MPEDs) and Diet Quality Indices for the WHI FFQ above for more details.
Dec. 2012: MPEDs (MyPyramid Equivalents Database) and Healthy Eating Index 2005 (HEI-2005) data have been added as a single data set; see the Form 60-MPEDs and HEI Variables below and
MPED and HEI document above for more details.
Nov. 2012: For a summary of the 24-hour recall data, including the first Extension Study 2005-2010, see
Table 3.3-Nutrient Intake Monitoring in the 2011 Progress Report.