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Taking Advantage of the Strengths of 2 Different Dietary Assessment Instruments to Improve Intake Estimates for Nutritional Epidemiology

American journal of epidemiology, 2012-02, Vol.175 (4), p.340-347 [Peer Reviewed Journal]

American Journal of Epidemiology Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health 2012. 2012 ;2015 INIST-CNRS ;Copyright Oxford Publishing Limited(England) Feb 15, 2012 ;ISSN: 0002-9262 ;EISSN: 1476-6256 ;DOI: 10.1093/aje/kwr317 ;PMID: 22273536 ;CODEN: AJEPAS

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Title:
Taking Advantage of the Strengths of 2 Different Dietary Assessment Instruments to Improve Intake Estimates for Nutritional Epidemiology
Author: Carroll, Raymond J ; Midthune, Douglas ; Subar, Amy F ; Shumakovich, Marina ; Freedman, Laurence S ; Thompson, Frances E ; Kipnis, Victor
Subjects: Bias ; Biological and medical sciences ; Calibration ; Causality ; Data collection ; Data Interpretation, Statistical ; Diet Surveys - methods ; Diet Surveys - standards ; Diet Surveys - statistics & numerical data ; Dietary supplements ; Diseases of the digestive system ; Eating ; Energy Intake ; Epidemiologic Research Design ; Epidemiology ; General aspects ; Humans ; Logistic Models ; Measurement errors ; Medical sciences ; Metabolic diseases ; Miscellaneous ; Nutrition research ; Practice of Epidemiology ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Sample Size ; Self Report ; Surveys and Questionnaires ; Survival Analysis
Is Part Of: American journal of epidemiology, 2012-02, Vol.175 (4), p.340-347
Description: With the advent of Internet-based 24-hour recall (24HR) instruments, it is now possible to envision their use in cohort studies investigating the relation between nutrition and disease. Understanding that all dietary assessment instruments are subject to measurement errors and correcting for them under the assumption that the 24HR is unbiased for usual intake, here the authors simultaneously address precision, power, and sample size under the following 3 conditions: 1) 1-12 24HRs; 2) a single calibrated food frequency questionnaire (FFQ); and 3) a combination of 24HR and FFQ data. Using data from the Eating at America's Table Study (1997-1998), the authors found that 4-6 administrations of the 24HR is optimal for most nutrients and food groups and that combined use of multiple 24HR and FFQ data sometimes provides data superior to use of either method alone, especially for foods that are not regularly consumed. For all food groups but the most rarely consumed, use of 2-4 recalls alone, with or without additional FFQ data, was superior to use of FFQ data alone. Thus, if self-administered automated 24HRs are to be used in cohort studies, 4-6 administrations of the 24HR should be considered along with administration of an FFQ.
Publisher: Cary, NC: Oxford University Press
Language: English
Identifier: ISSN: 0002-9262
EISSN: 1476-6256
DOI: 10.1093/aje/kwr317
PMID: 22273536
CODEN: AJEPAS
Source: GFMER Free Medical Journals
MEDLINE
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Taking Advantage of the Strengths of 2 Different Dietary Assessment Instruments to Improve Intake Estimates for Nutritional Epidemiology

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