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Why Might Food Frequency Questionnaires Be Less Accurate Than 24-Hour

Question 29

Multiple Choice

Why might food frequency questionnaires be less accurate than 24-hour recalls for obtaining food intake data?


A) The process examines long-term food intake
B) Dietary supplements can't be included.
C) They typically list only common foods.
D) It may be difficult to estimate average portion sizes of foods eaten less frequently.

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