Validation of a food frequency questionnaire for assessing the intake of food groups and nutrients in adults
Stephanie Camila Ribeiro Silva Muniz,
Gabrielle Floriano Sanches,
Marco Antonio Barbieri
et al.
Abstract:Objective: To validate a food frequency questionnaire used to assess food consumption among adults in a Brazilian cohort. Methods: Cross-sectional study conducted on 100 adults. Food intake was assessed by the food frequency questionnaire and by two 24-hour recalls. Validation was performed for nutrients (n=19) and food groups (n=21). Results: Moderate deattenuated Pearson’s correlation coefficients (>0.4) were observed for the consumption of dairy products, breads and crackers, rice, pasta and tubers, le… Show more
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