Chapter

Food-Frequency Methods

Walter Willett

in Nutritional Epidemiology

Second edition

Published in print July 1998 | ISBN: 9780195122978
Published online September 2009 | e-ISBN: 9780199864249 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195122978.003.05

Series: Monographs in Epidemiology and Biostatistics

Food-Frequency Methods

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Food frequency questionnaires have become the primary method for measuring dietary intake in epidemiological studies. Such questionnaires are directed to the dietary exposure of conceptual interest in most applications, which is average intake over an extended period of time. This chapter discusses the design of food frequency questionnaires. Topics covered include the food list, frequency response action, options for portion size information, computation of nutrient intakes, and the use of empirical predictor scores.

Keywords: food frequency questionnaires; questionnaire design; food intake; average intake; food list; frequency response action

Chapter.  13690 words.  Illustrated.

Subjects: Public Health and Epidemiology

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