Selecting informative food items for compiling food-frequency questionnaires: comparison of procedures
نویسندگان
چکیده
منابع مشابه
Invited commentary: comparison of food frequency questionnaires.
In this issue, Wirfalt et al. (1) provide a useful comparison of three dietary assessment methods among a population of 101 obese women. The essential findings were mean correlations of 0.60 between a modified Willett/Harvard questionnaire and the Block/ National Cancer Institute (NCI) questionnaire, 0.34 between the Block/NCI questionnaire and 3-day recalls, and 0.36 between the Willett/Harvar...
متن کاملComparison of weighed food record procedures for the reference methods in two validation studies of food frequency questionnaires
BACKGROUND Although open-ended dietary assessment methods, such as weighed food records (WFRs), are generally considered to be comparable, differences between procedures may influence outcome when WFRs are conducted independently. In this paper, we assess the procedures of WFRs in two studies to describe their dietary assessment procedures and compare the subsequent outcomes. METHODS WFRs of ...
متن کاملFood frequency questionnaires: not irrelevant yet.
To the Editors: Kristal et al. (1) contend that the food frequency questionnaire (FFQ) be abandoned in epidemiologic studies of cancer for three reasons: (a) a growing lack of consistency within and across studies of diet and cancer risk; (b) poor correlations between the FFQ’s measure of protein and total energy with urinary nitrogen excretion and doubly labeled water, respectively; and (c) on...
متن کاملSelection of food items for inclusion in a newly developed food-frequency questionnaire.
OBJECTIVES To highlight the differences between the food list required in a food-frequency questionnaire (FFQ) to rank people by their intake and the food items that contribute to absolute intake, and to discuss possible applications. METHODS We conducted a nutritional survey among 1173 adults using an adapted 24-hour recall questionnaire. STATISTICAL ANALYSIS To develop an FFQ, we analysed...
متن کاملDevelopment, validation and utilisation of food-frequency questionnaires - a review.
OBJECTIVE The purpose of this review is to provide guidance on the development, validation and use of food-frequency questionnaires (FFQs) for different study designs. It does not include any recommendations about the most appropriate method for dietary assessment (e.g. food-frequency questionnaire versus weighed record). METHODS A comprehensive search of electronic databases was carried out ...
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ژورنال
عنوان ژورنال: British Journal of Nutrition
سال: 2010
ISSN: 0007-1145,1475-2662
DOI: 10.1017/s0007114510000401