Document Detail


Development of a food-frequency questionnaire to measure the dietary calcium intake of adult Japanese women.
MedLine Citation:
PMID:  16210833     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Assessing calcium intake is necessary for epidemiological studies on osteoporosis. This study was aimed at developing a valid food frequency questionnaire (FFQ) to estimate the dietary calcium intake of Japanese people. The FFQ contains 26 items, representing common sources of calcium. The respondents, 74 women aged 15 - 79 years living in Fukui city, whose dietary calcium intake was estimated at 638 +/- 306 (S.D.) mg based on a one-day weighted food record kept during the National Nutrition Survey of 1996, were asked to indicate their consumption frequency and usual portion size (large, medium, small) for each food item. Trained dieticians interviewed the subjects to confirm their answers to the FFQs. The mean calcium intake per day according to the FFQ (655 +/- 222 mg) did not differ significantly from that according to the one-day food record. The coefficient of correlation between these methods was 0.512, a statistically significant value. The calcium intake from dairy products showed a good correlation, r = 0.717. The coefficient of correlation between the values estimated based on two FFQ filled out three days apart was 0.900, showing good test-retest reliability. Therefore, this FFQ is valid and reliable in estimating dietary calcium intake for epidemiological studies.
Authors:
Yuho Sato; Junko Tamaki; Fujiko Kitayama; Yukinori Kusaka; Yumi Kodera; Akiko Koutani; Masayuki Iki
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Tohoku journal of experimental medicine     Volume:  207     ISSN:  0040-8727     ISO Abbreviation:  Tohoku J. Exp. Med.     Publication Date:  2005 Nov 
Date Detail:
Created Date:  2005-10-07     Completed Date:  2008-03-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0417355     Medline TA:  Tohoku J Exp Med     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  217-22     Citation Subset:  IM    
Affiliation:
Department of Nutrition, Tenshi College School of Nursing and Nutrition. y-satou@tenshi.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Calcium, Dietary / administration & dosage*
Female
Humans
Japan
Middle Aged
Nutritional Status
Questionnaires*
Chemical
Reg. No./Substance:
0/Calcium, Dietary

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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