Review
Open access
Sep 2026
Relative Validity of Food Frequency Questionnaires in Adult Populations: A Systematic Review and Meta‐Analysis
ABSTRACT Accurate dietary assessment is essential in nutritional research and epidemiology. Food Frequency Questionnaires (FFQs) are widely used to estimate habitual intake; however, their performance may vary according to questionnaire design, administration procedures, and the dietary components being assessed. This...
Carmelo Pujia, Y. Ferro, A. Placanica et al.
· Food Science & Nutrition · 0 citations