Social and Behavioral Sciences Commons^™

Validity Of Carbohydrate, Glycaemic Index And Glycaemic Load Data Obtained Using A Semi-Quantitative Food-Frequency Questionnaire, Alan Winston Barclay, Victoria Mary Flood, Jennie Cecile Brand-Miller, Paul Mitchell

Faculty of Health and Behavioural Sciences - Papers (Archive)

Objective: To assess the ability of a food-frequency questionnaire (FFQ) to rank Australians according to their intake of total carbohydrate, sugar, starch, fibre, glycaemic index (GI) and glycaemic load (GL). Design: Cross-sectional sample from a population cohort. Setting: Two postcode areas west of Sydney, Australia. Subjects: From 1992 to 1994, a total of 2868 older Australians provided dietary data using a 145-item Willett-derived FFQ. A representative sub-sample of 78 subjects completed three 4-day weighed food records (WFRs). Pearson and Spearman correlations, Bland–Altman plots and weighted kappa values were calculated. Results: Compared with the WFR, the FFQ provided higher mean estimates …