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#497: Are Food Frequency Questionnaires Reliable?

Sigma Nutrition Radio

CHAPTER

Limitations of Food Frequency Questionnaires (FFQs)

This chapter discusses the limitations of food frequency questionnaires (FFQs) used to assess dietary intake. The speaker highlights the systematic error of underestimating dietary intake and the imperfect correlation between FFQs and validation methods. They mention that FFQs lack the ability to capture contextual information such as specific timing, food types, brands, and cooking methods.

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