Document Detail

Calibration of the food list and portion sizes of a food frequency questionnaire applied to free-living elderly people.
MedLine Citation:
PMID:  23298974     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To calibrate the food list and relative portion sizes of a food frequency questionnaire (FFQ) for application to a free-living, healthy, elderly population. METHODS: Cross-sectional study. One hundred free-living, healthy participants, aged from 60 to 75 y, randomly selected from among individuals in the area served by the Family Health Program, School of Medicine of Ribeirao Preto, University of São Paulo. A Food Frequency Questionnaire (FFQ) and a Diet History Questionnaire (DH) were applied by trained dietitians. Each food item of the FFQ had its portion size recalculated according to the percentiles referenced by the volunteers in the DH (25th = small, 50th = medium, and 75th = large). The list of foods and portion sizes of the original FFQ and those obtained by the application of the DH were compared. The percent contribution of energy, protein, fat, carbohydrate, folic acid, vitamin C, calcium, and fiber of each food item mentioned in the FFQ was determined from the data obtained by the application of the DH. RESULTS: FFQ, as compared with the DH, provided good estimation of the intake of protein, calcium, folic acid, and fiber (paired t test P < 0.05). Portion sizes of the FFQ differed from those obtained by the application of the DH (-23% to 300%). CONCLUSIONS: Adjustments to the FFQ in particular, new portion sizes and a reduction of the food list were found to be appropriate for application to healthy, urban, free-living elderly people in Ribeirao Preto, Brazil.
Karina Pfrimer; Daniela Saes Sartorelli; Flavia Troncon Rosa; Cristina Maria Mendes Resende; Daniela Vieira Pallos Viera; Estela Iraci Rabito; Fernanda Baeza Scagliusi; Eny Kiyomi Uemora Moriguti; Jaqueline Pontes Monteiro; Eduardo Ferriolli
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-5
Journal Detail:
Title:  Nutrition (Burbank, Los Angeles County, Calif.)     Volume:  -     ISSN:  1873-1244     ISO Abbreviation:  Nutrition     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8802712     Medline TA:  Nutrition     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Division of General Internal and Geriatric Medicine, School of Medicine of Ribeirao Preto, University of São Paulo, Brazil; Department of Pediatrics, School of Medicine of Ribeirao Preto, University of São Paulo, Brazil. Electronic address:
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