Validity and calibration of the FFQ used in the Melbourne Collaborative Cohort Study
Julie K Bassett, Dallas R English, Michael T Fahey, Andrew B Forbes, Lyle C Gurrin, Julie A Simpson, Maree T Brinkman, Graham G Giles, Allison M Hodge
PUBLIC HEALTH NUTRITION | CAMBRIDGE UNIV PRESS | Published : 2016
OBJECTIVE: To evaluate the reliability and validity of the FFQ administered to participants in the follow-up of the Melbourne Collaborative Cohort Study (MCCS), and to provide calibration coefficients. DESIGN: A random sample stratified by country of birth, age, sex and BMI was selected from MCCS participants. Participants completed two FFQ and three 24 h recalls over 1 year. Reliability was evaluated by intraclass correlation coefficients (ICC). Validity coefficients (VC) were estimated from structural equation models and calibration coefficients obtained from regression calibration models. SETTING: Adults born in Australia, Greece or Italy. SUBJECTS: Nine hundred and sixty-five participant..View full abstract
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Awarded by Cancer Council Victoria and grants from the National Health and Medical Research Council
Cohort recruitment was funded by VicHealth and The Cancer Council Victoria. This work was supported by infrastructure from The Cancer Council Victoria and grants from the National Health and Medical Research Council (209057, 1004233). The funders had no role in the design, analysis or writing of this article.