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Validity of a self-administered food frequency questionnaire used in the 5-year follow-up survey of the JPHC Study to assess selenium intake: comparison with dietary records and blood levels.
MedLine Citation:
PMID:  12701635     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Selenium (Se) levels in serum and erythrocytes were measured in 215 adults to assess the relative validity of Se intake estimated from 28-day dietary records (DR) and the food frequency questionnaire (FFQ) used in the 5-year follow-up survey of the JPHC study. Se intake estimated from DR was correlated with that from the FFQ both in males and females (r=0.36 and r=0.32, respectively). Se levels in erythrocytes were weakly correlated with Se intake by DR for men (r=0.21) after adjustments for the total energy intake, though no significant correlation was found for women nor in crude values for either sex. Although Se intake estimated from our FFQ was correlated with that from the DR, no correlation was observed between the Se level in serum and estimated Se intake. In this population, the serum Se level was not a good biomarker for estimated Se intake.
Authors:
Kanae Karita; Satoshi Sasaki; Junko Ishihara; Shoichiro Tsugane;
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Publication Detail:
Type:  Journal Article; Multicenter Study; Validation Studies    
Journal Detail:
Title:  Journal of epidemiology / Japan Epidemiological Association     Volume:  13     ISSN:  0917-5040     ISO Abbreviation:  J Epidemiol     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2003-04-18     Completed Date:  2003-05-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9607688     Medline TA:  J Epidemiol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  S92-7     Citation Subset:  IM    
Affiliation:
Department of Hygiene and Public Health, Telkyo University School of Medicine.
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Diet Records
Diet Surveys*
Female
Food Habits*
Humans
Japan
Male
Questionnaires*
Reproducibility of Results
Selenium* / blood
Sex Factors
Statistics, Nonparametric
Chemical
Reg. No./Substance:
7782-49-2/Selenium

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


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