Journal
INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION
Volume 67, Issue 2, Pages 161-169Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/09637486.2015.1134443
Keywords
Dietary diversity score; diet quality; energy density; glycemic index; glycemic load; healthy eating index
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Funding
- Iranian Budget and Planning Organization [31309304]
- Iranian Heart Foundation (IHF)
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To assess the association between dietary glycemic index (GI), glycemic load (GL) and dietary quality indices in Iranian adults. This cross section was conducted among 1571 Iranian adults aged 19 years. GI, GL and diet quality indices were estimated by 24-h recall and DDS was calculated using a validated 48-item food frequency questionnaire. Participants who were in the top tertile of GI had lower healthy eating index (HEI) (57.2 +/- 7.8 versus 55.6 +/- 8.7; p<0.001), dietary diversity score (DDS) (3.6 +/- 0.9 versus 3.3 +/- 1.1; p<0.001) and nutrient adequacy ratios (NARs) for Zn, Ca, vitamin C and B-2. Individuals in the lowest tertile of GL had lower HEI, MAR and NARs for Zn, vitamin B-2, B-3, B-6, B-12, vitamin D. Both GI and GL were positively related to dietary diversity score (DED) (p<0.001). The inverse associations for GI and GL with diet quality indices may suggest the relevance of carbohydrate source in determining the diet quality indices.
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