| Is the food frequency consumption essential as covariate to estimate usual intake of episodically consumed foods? | |
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MedLine Citation:
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PMID: 22968101 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Backgrounds/Objectives:The aim of this paper is to verify the performance of the frequency of consumption as variable for prediction of the usual intakes of foods.Subjects/Methods:In total, 725 individuals who answered two nonconsecutive 24-h recall and one food frequency questionnaire (FFQ) in the 'Healthy Survey-Sao Paulo-Brazil'. An additional indicator variable indicating if one is usual consumer was created before analyzing. The Multiple Source Method and National Cancer Institute method were used to estimate usual intake of selected food considering different models of prediction: with no covariates; with FFQ; with FFQ plus indicator variable; and with only indicator variable.Results:For foods that are consumed every day or almost every day, the inclusion of the FFQ and/or the indicator variable as covariates resulted in similar percentiles of consumption when compared with the model with no covariates. For episodically consumed foods, the models with FFQ plus indicator variable and with only indicator variable estimated similar percentiles of intake.Conclusions:The use of the indicator variable instead the FFQ appears as a good alternative to estimate usual intake of episodically consumed foods.European Journal of Clinical Nutrition advance online publication, 12 September 2012; doi:10.1038/ejcn.2012.119. |
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Authors:
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E Verly-; R M Fisberg; D M L Marchioni |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-12 |
Journal Detail:
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Title: European journal of clinical nutrition Volume: - ISSN: 1476-5640 ISO Abbreviation: Eur J Clin Nutr Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8804070 Medline TA: Eur J Clin Nutr Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Epidemiology, Institute of Social Medicine, Rio de Janeiro Estate University, Rio de Janeiro, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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