Created by the National Institutes of Health and National Cancer Institutes, this Food Frequency Questionnaire (FFQ) was used in NHANES (National Health and Nutrition Examination Survey). This tool collects information on an individual’s frequency of food consumption during the last 12 months. The basis for for the NHANES FFQ is the NCI Diet History Questionnaire (DHQ), a 124-item … Continue reading NHANES Food Frequency Questionnaire