Validity of a self-administered food frequency questionnaire (FFQ) and its generalizability to the estimation of dietary folate intake in Japan

BACKGROUND: In an epidemiological study, it is essential to test the validity of the food frequency questionnaire (FFQ) for its ability to estimate dietary intake. The objectives of our study were to 1) validate a FFQ for estimating folate intake, and to identify the foods that contribute to inter-i...

Disgrifiad llawn

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awduron: Ishihara, Junko, Yamamoto, Seiichiro, Iso, Hiroyasu, Inoue, Manami, Tsugane, Shoichiro
Fformat: Artigo
Iaith:Inglês
Cyhoeddwyd: BioMed Central 2005
Pynciau:
Research
Mynediad Ar-lein:https://ncbi.nlm.nih.gov/pmc/articles/PMC1277847/
https://ncbi.nlm.nih.gov/pubmed/16202175
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1475-2891-4-26
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