What is the food group frequency questionnaire?
                                
                                
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                                    4 min read                                
                            
                                According to the National Cancer Institute, Food Frequency Questionnaires (FFQs) have been widely used in large epidemiological studies for decades to assess dietary intake over a long period. A food group frequency questionnaire is a standardized dietary assessment tool used by researchers and clinicians to evaluate an individual's long-term eating habits by measuring the reported frequency of consuming specific food groups.