Dietary Exposure	Reporting Method	Timeframe info	Collection Method	Available in Food Questionnaire Creator	Action
Full Nutrient	Usual; Retrospective	4 months	Food Frequency Questionnaire	No	Detailed Information	Web Link

Summary

This tool is a self-administered, semi-quantitative food frequency questionnaire that contained 132 food items with intake frequency divided into four categories of never, daily, weekly and monthly. The tool was designed for PURE (The Prospective Urban, Rural Epidemiological Study) which is a large, ongoing prospective cohort study. The tool was validated via a pilot study consisting of a convenience sample of PURE study participants.

Contact Information info

anwar.merchant@post.harvard.edu

Tool Website

Special Considerations

The FFQ is a refined version from the PURE cohort study that has been shortened using stepwise regression analysis. The Nutritools team could not get in contact with the tool owner to verify the units of measurement for calcium and folate so standard measurements of mg and ug respectively were added, despite paper stating g and mg.The values displayed in the result section are from the original FFQ.

Last Updated info

13/02/2018

Software Required

Not reported

Training Required

Not reported

Instructions on use

Not reported

Administration Method

Self-administered

Data Analysis

Instructions on how the dietary data was analysed can be found in the publication.

Author	Year	Comparator	Lifestage	Sex	Number of Nutrients Validated	Mean Difference	Variance Measured info	Correlation Coefficients	Percentage Agreement	Limits of Agreement	Special Considerations	Action
Iqbal	2008	24hr Recall	Adults	Both	10	✓	✓	✓			Subjects were part of the PURE (Prospective Urban Rural Epidemiological Study) Cohort	Detailed Information	Web Link