Reproducibility and validity of a self-administered food frequency questionnaire used in the JACC study.

C, Date; M, Fukui; A, Yamamoto; K, Wakai; A, Ozeki; Y, Motohashi; C, Adachi; N, Okamoto; M, Kurosawa; Y, Tokudome; Y, Kurisu; Y, Watanabe; K, Ozasa; S, Nakagawa; N, Tokui; T, Yoshimura; A, Tamakoshi

doi:10.2188/jea.15.s9

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Reproducibility and validity of a self-administered food frequency questionnaire used in the JACC study.

Shared by NobleBlocks on Mar 1, 2005 • 12:00 AM UTC

Authors:

Date C

Fukui M

Yamamoto A

Abstract

Background A self-administered questionnaire on dietary habits used in the JACC Study contained a 40-item food frequency questionnaire (FFQ). Although more than 110 thousand subjects enrolled in JACC Study and responded to the FFQ, no validation study has been conducted to date.Methods Eighty-five v...

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