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Validation of a short food frequency questionnaire in Australian adults
journal contributionposted on 2018-07-27, 00:00 authored by S Khalesi Taharoom, D Doshi, N Buys, J Sun
The aim of this article is to report on the validity and internal consistency of a short food frequency questionnaire (FFQ) to measure dietary intake in Australian adults. A total of 407 individuals completed the short FFQ. The Cronbach?s alpha of 0.66 indicated acceptable internal consistency for the FFQ. Content validity was measured using factor analysis showed that 35% of total variance was explained by factor analysis. The FFQ was also validated against 31 3-day food records (FR). No significant difference between average intake of energy, most macronutrients, and some micronutrients between two instruments was identified. An acceptable levels of correlation (0.39?0.69) was observed between the two instruments. Bland and Altman?s plots showed relative agreement in both instruments with potential bias in measuring iron and iodine. The current FFQ can be an acceptable tool to quickly measuring dietary intake in Australian adults.
Number of Pages9
External Author AffiliationsGriffith University, Bond University; Roma Hospital