| Validity of a food-frequency questionnaire for a large prospective cohort study in Bangladesh. | |
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MedLine Citation:
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PMID: 15533275 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We have developed a thirty-nine-item semi-quantitative food-frequency questionnaire (FFQ) to assess the dietary consumption of 11,746 men and women in a prospective cohort study that evaluates the health effects of As from drinking water in Bangladesh. In order to validate the FFQ, two 7 d food diaries (FD) were completed for 189 randomly selected cohort participants in two different seasons of the year. Nutrient values were converted based on both the United States Department of Agriculture's National Nutrient Database and a food composition table for the Indian subcontinent. Pearson product-moment and Spearman non-parametric rank correlation coefficients comparing food and nutrient consumptions estimated from FFQ and 7 d FD were calculated based on log-transformed consumption values with or without adjustment for total energy and correction for within-individual variation. Correlations of macronutrients and common micronutrients including total fat, monounsaturated fat, polyunsaturated fat, saturated fat, protein, carbohydrate, dietary fibre, Na, K, vitamin B6, vitamin B12, riboflavin, Mn, thiamin and Fe were moderately good, ranging from 0.30 to 0.76. However, correlations of other micronutrients were weak (<0.30). Large seasonal variations in intakes of retinol equivalents and vitamin C were observed. This analysis documents the degree of validity of the FFQ in measuring specific nutrient intakes in the study population. To our knowledge, the present study is the first to document the validity of a FFQ with the use of 7 d FD in a Bangladeshi population. |
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Authors:
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Yu Chen; Habibul Ahsan; Faruque Parvez; Geoffrey R Howe |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Validation Studies |
Journal Detail:
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Title: The British journal of nutrition Volume: 92 ISSN: 0007-1145 ISO Abbreviation: Br. J. Nutr. Publication Date: 2004 Nov |
Date Detail:
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Created Date: 2004-11-09 Completed Date: 2004-12-06 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0372547 Medline TA: Br J Nutr Country: England |
Other Details:
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Languages: eng Pagination: 851-9 Citation Subset: IM |
Affiliation:
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Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Arsenic / adverse effects Bangladesh Diet Diet Records Diet Surveys* Eating / physiology Environmental Exposure / adverse effects Female Food Analysis / methods Humans Male Micronutrients / administration & dosage Middle Aged Nutritional Status / physiology Prospective Studies Questionnaires* Reproducibility of Results Seasons |
| Grant Support | |
ID/Acronym/Agency:
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P30 ES09089/ES/NIEHS NIH HHS; P42 ES10349/ES/NIEHS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Micronutrients; 7440-38-2/Arsenic |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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