Volume 13, Number 4 (3-2012)                   yafte 2012, 13(4): 83-93 | Back to browse issues page


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Azadbakht L, Rouhani S M H, Esmaillzadeh A. Favorable association of dietary energy density with the dietary diversity score in female students of Isfahan university of medical sciences in 2010. yafte. 2012; 13 (4) :83-93
URL: http://yafte.lums.ac.ir/article-1-646-en.html

Department of Community Nutrition Isfahan University of Medical Sciences
Abstract:   (9111 Views)
Background : Dietary energy density and dietary diversity score (DDS) are two representative factors of dietary quality. In the current study we evaluated these factors in Isfahanian youths. Materials and Methods: This cross-sectional study was conducted on 289 healthy female youths who were randomly selected from students of Isfahan university of medical sciences. A validated semi quantitative food frequency questionnaire was used to assess the usual dietary intakes. Dietary energy density was calculated as each individual’s reported daily energy intake (kcal/d) into total weight of foods (excluding beverages) consumed (g/d). DDS was calculated based on scoring to the five food groups of the food guide pyramid. Results: Mean dietary energy density was 1.60±0.29 kcal/g. Individuals in top tertile of dietary energy density had the lowest mean of the dietary diversity score (means among tertiles:1st: 9.61±1.92, 2nd: 6.98±1.22, 3rd: 3.63±1.02 P<0.05), as well as diversity score of the vegetable (1.91±0.33, 1.54±0.26, 1.11±0.2 P<0.01) and fruit (1.98±0.72, 1.89±0.66, 1.44±0.3 P<0.05). Those in the top tertile of dietary diversity score had the lowest mean of the dietary energy density (2.08±0.36, 1.69±0.31, 1.38±0.25 P<0.05). There was an inverse and significant association between dietary energy density and DDS (r=-0.3 P=0.03). Conclusion: There were inverse associations among DDS and dietary energy density in Isfahanian female youths. However further prospective investigations are needed to confirm this finding.
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Type of Study: Research |
Received: 2012/03/5

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