A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf
.
Reproducibility and Validity of a Self-administered Food Frequency Questionnaire Used in the JACC Study
2005
Journal of Epidemiology
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. Eighty-five volunteers among the cohort members completed 2 FFQs (FFQs 1&2) and 12-day weighed dietary records (WDR). The interval between the two FFQs was one year. During the one year, the subjects carried out a
doi:10.2188/jea.15.s9
pmid:15881192
pmcid:PMC8565864
fatcat:l3fl2cj3vfdtfkce3btzk5zbfy