Reproducibility and Validity of Food-Frequency Questionnaires

Walter Willett

in Nutritional Epidemiology

Second edition

Published in print July 1998 | ISBN: 9780195122978
Published online September 2009 | e-ISBN: 9780199864249 | DOI:

Series: Monographs in Epidemiology and Biostatistics

Reproducibility and Validity of Food-Frequency Questionnaires

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This chapter deals with the approaches used to evaluate dietary questionnaires, the design of validation studies, and the analysis and presentation of data from validation studies. The interpretation of any study of diet and disease can be substantially enhanced by quantitative information on the validity of the method used to measure dietary intake. Unless the method employed has been previously studied with respect to validity in a similar population, any major dietary study should include a validation component.

Keywords: food frequency questionnaire; validation studies; data analysis; validity; reproducibility

Chapter.  23838 words.  Illustrated.

Subjects: Public Health and Epidemiology

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