An index of diet and eating patterns is a valid measure of diet quality in an Australian population

McNaughton, Sarah, Ball, Kylie, Crawford, David and Mishra, Gita 2008, An index of diet and eating patterns is a valid measure of diet quality in an Australian population, Journal of nutrition, vol. 138, no. 1, pp. 86-93.

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Title An index of diet and eating patterns is a valid measure of diet quality in an Australian population
Author(s) McNaughton, Sarah
Ball, Kylie
Crawford, David
Mishra, Gita
Journal name Journal of nutrition
Volume number 138
Issue number 1
Start page 86
End page 93
Total pages 8
Publisher American Society for Nutrition
Place of publication Bethesda, Md.
Publication date 2008-01
ISSN 0022-3166
1541-6100
Summary Diet indices represent an integrated approach to assessing eating patterns and behaviors. The aim of this study was to develop a comprehensive food-based dietary index to reflect adherence to healthy eating recommendations, evaluate the construct validity of the index using nutrient intakes, and evaluate this index in relation to sociodemographic factors, health behaviors, risk factors, and self-assessed health status. Data were analyzed from adult participants of the Australian National Nutrition Survey who completed a 108-item FFQ and a food habits questionnaire (n = 8220). The dietary guideline index (DGI) consisted of 15 items reflecting the dietary guidelines, including dietary indicators of vegetables and legumes, fruit, total cereals, meat and alternatives, total dairy, beverages, sodium, saturated fat, alcoholic beverages, and added sugars. Diet quality was incorporated using indicators relating to whole-grain cereals, lean meat, reduced/low fat dairy, and dietary variety. We investigated associations between the DGI score, sociodemographic factors, health behaviors, chronic disease risk factors, and nutrient intakes. We found associations between the DGI scores and sex, age, income, area-level socioeconomic disadvantage, smoking, physical activity, waist:hip ratio, systolic blood pressure (males only), and self-assessed health status (females only) (all P < 0.05). Higher DGI scores were associated with lower intakes of energy, total fat, and saturated fat and higher intakes of fiber, β-carotene, vitamin C, folate, calcium, and iron (P < 0.05). This food-based dietary index is able to discriminate across a variety of sociodemographic factors, health behaviors, and self-assessed health and reflects intakes of key nutrients.
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, American Society for Nutrition
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017068

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