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Use of a food frequency questionnaire to assess diets of Jamaican adults: validation and correlation with biomarkers
Jackson, Maria D.; Walker, Susan P.; Younger, Novie M.; Bennett, Franklyn I.
CONCLUSIONS: The expanded FFQ had good relative validity for estimating food group and nutrient intakes (except retinol and vitamin E) and was a reliable measure of habitual intake. Associations with biomarkers were comparable to other studies.
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