Food frequency questionnaires vs diet diaries
نویسندگان
چکیده
منابع مشابه
Dietary patterns in pregnant women: a comparison of food-frequency questionnaires and 4 d prospective diaries.
There is growing interest in the use of dietary patterns as measures of exposure in studies of diet-disease relationships. However, relatively little is known about the impact of the type of dietary assessment method on the patterns observed. Using FFQ and food diary data collected from 585 women in early pregnancy we used principal component analysis to define dietary patterns. The first patte...
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 کاملInvited 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 کاملDietary fat and breast cancer: comparison of results from food diaries and food-frequency questionnaires in the UK Dietary Cohort Consortium.
BACKGROUND Epidemiologic studies of dietary fat and breast cancer risk are inconsistent, and it has been suggested that a true relation may have been obscured by the imprecise measurement of fat intake. OBJECTIVE We examined associations of fat with breast cancer risk by using estimates of fat intake from food diaries and food-frequency questionnaires (FFQs) pooled from 4 prospective studies ...
متن کاملNew technologies applied to food frequency questionnaires: a current perspective.
The food frequency questionnaires are widely used in epidemiological researches like dietary assessment method. Traditionally, they have been self-administered in paper but the use of information and communication technologies has led to develop Internet and computerized food frequency questionnaires. It is the objective of this article to offer a global perspective of the new technologies appl...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 2008
ISSN: 0300-5771,1464-3685
DOI: 10.1093/ije/dyn237