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#523: How Trustworthy is the Food Frequency Questionnaire in Evaluating Dietary Intake? – Deirdre Tobias, ScD

Sigma Nutrition Radio

CHAPTER

Understanding Measurement Error in Dietary Intake Assessment

The chapter delves into the complexities of measurement error in tools used for studying diet-disease relationships, focusing on the impact of random error on estimating dietary exposure and its effects on health outcome analysis. It emphasizes the challenges of evaluating dietary intake using the Food Frequency Questionnaire, the importance of validation against reference methods, and the need to consider limitations in research. The discussion underscores the significance of addressing errors to ensure the accuracy and reliability of data in nutritional epidemiology.

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