University of Wollongong Research Online Faculty of Health and Behavioural Sciences - Papers (Archive) Faculty of Science, Medicine and Health January 2003 Evaluation of a tool for rating popular diet books L. Williams University of Wollongong P. G. Williams University of Wollongong,
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[email protected] Evaluation of a tool for rating popular diet books Abstract Objective The aim of this study was to develop a questionnaire for use by nutrition professionals to enable evaluation of popular diet books. Design A questionnaire was developed incorporating quantified criteria based on current authoritative nutrition guidelines. Twenty two questions were included, relating to nutritional adequacy, daily energy allowance, recommended rate of weight loss, flexibility and sustainability, physical activity advice, use of supplements, claims, author’s credentials, and scientific evidence. The questionnaire was used to rate 35 diets in 20 popular diet books sold in Australia in 2001, in order to test its practicality, validity and sensitivity. A computerised dietary analysis of three days of menus from each book was used to assess the validity of the questions assessing nutritional adequacy.