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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Is the food frequency consumption essential as covariate to estimate usual intake of episodically consumed foods?

Full text
Author(s):
Verly-Jr, E. [1] ; Fisberg, R. M. [2] ; Marchioni, D. M. L. [2]
Total Authors: 3
Affiliation:
[1] Verly-Jr, Jr., E., Univ Estado Rio De Janeiro, Inst Social Med, Dept Epidemiol, BR-20550900 Rio De Janeiro - Brazil
[2] Univ Sao Paulo, Sch Publ Hlth, Dept Nutr, BR-05508 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: European Journal of Clinical Nutrition; v. 66, n. 11, p. 1254-1258, NOV 2012.
Web of Science Citations: 2
Abstract

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. (AU)

FAPESP's process: 09/11239-9 - Habitual food intake among individuals of São Paulo: populational based survey
Grantee:Eliseu Verly Junior
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 09/15831-0 - Dietary factors, homocystein, MTHFR gene polymorphisms, and cardiovascular risk in adults and the elderly: a population-based study - ISA - Capital
Grantee:Regina Mara Fisberg
Support Opportunities: Regular Research Grants