Method glossary

FFQ

Food frequency questionnaire: it estimates habitual diet from memory, and is prone to error.

Source

Dietary Assessment Primer — Food Frequency Questionnaire at a Glance
National Cancer Institute (NIH), Epidemiology and Genomics Research Program
https://epi.grants.cancer.gov/dietary-assessment-primer/profiles/questionnaire/

Where, in the source

Food Frequency Questionnaire at a Glance — Purpose, Description and Salient Features

Checked at the source on

2026-08-10

Verbatim

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