Document Detail

Validity and reproducibility of the self-administered food frequency questionnaire in the JPHC Study Cohort I: study design, conduct and participant profiles.
MedLine Citation:
PMID:  12701628     Owner:  NLM     Status:  MEDLINE    
Two kinds of food frequency questionnaire (FFQ)s were used in the baseline and 5-year follow-up survey of the Japan Public Health Center-based prospective Study on Cancer and Cardiovascular Diseases (JPHC Study Cohort I), a prospective follow-up study with 50,000 population. The former (FFQ00) was a 44-item FFQ without standard portions/units and the latter (FFQ05) was a 138-item FFQ with standard portions/units. To validate these FFQs, a 7-day dietary record (DR) survey with blood and urine collection was conducted in four seasons in the Ninohe (Iwate), Yokote (Akita) and Saku (Nagano) Public Health Center (PHC) areas, and in two seasons in the Ishikawa (Okinawa) PHC area. Another FFQ00 and FFQ05 have also been employed at a one-year interval to measure reproducibility. A total of 102 men and 113 women provided complete 28-day DRs (14 days for Okinawa) and then filled out both FFQs after three or six months. A total of 92 men and 104 women provided blood twice, and 37 men and 65 women provided 24-hour urine twice. The data from these surveys have been used to measure the validity and reproducibility of the estimated food groups and nutrient intake by each FFQ.
Shoichiro Tsugane; Satoshi Sasaki; Minatsu Kobayashi; Yoshitaka Tsubono; Masayuki Akabane;
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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:  S2-12     Citation Subset:  IM    
Epidemiology and Biostatistics Division, National Cancer Center Research Institute East, Kashiwa, Chiba, Japan.
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MeSH Terms
Biological Markers
Diet Records
Diet Surveys*
Middle Aged
Reproducibility of Results
Research Design
Reg. No./Substance:
0/Biological Markers

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