Can a food frequency questionnaire be used to capture dietary intake data in a 4 week clinical intervention trial?

Abstract

Collecting dietary data in the clinical research setting is labour intensive and can be burdensome for study participants. The aim of this study was to assess the agreement between data obtained from 2 different dietary assessment methods, a 74-item semi-quantitative food frequency questionnaire (FFQ) and 3-day weighed food records (WFR) used to estimate… (More)

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