伊朗成年人饮食血糖指数、血糖负荷与饮食质量指数之间的关联：来自伊斯法罕健康心脏项目的结果
The association between dietary glycemic index, glycemic load and diet quality indices in Iranian adults: results from Isfahan Healthy Heart Program.
作者信息
Azadbakht Leila, Mohammadifard Noushin, Akhavanzanjani Mohsen, Taheri Marzieh, Golshahi Jafar, Haghighatdoost Fahimeh
机构信息
a Food Security Research Center, Isfahan University of Medical Sciences , Isfahan , Iran ;
b Department of Community Nutrition , School of Nutrition and Food Science, Isfahan University of Medical Sciences , Isfahan , Iran ;
出版信息
Int J Food Sci Nutr. 2016;67(2):161-9. doi: 10.3109/09637486.2015.1134443. Epub 2016 Jan 14.
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 B2. Individuals in the lowest tertile of GL had lower HEI, MAR and NARs for Zn, vitamin B2, B3, B6, B12, 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.
评估伊朗成年人饮食血糖指数（GI）、血糖负荷（GL）与饮食质量指数之间的关联。本横断面研究在1571名年龄≥19岁的伊朗成年人中进行。通过24小时回顾法估算GI、GL和饮食质量指数，并使用经过验证的48项食物频率问卷计算饮食多样性得分（DDS）。处于GI最高三分位数的参与者的健康饮食指数（HEI）较低（57.2±7.8对55.6±8.7；p<0.001）、饮食多样性得分（DDS）较低（3.6±0.9对3.3±1.1；p<0.001），以及锌、钙、维生素C和维生素B2的营养素充足率（NARs）较低。处于GL最低三分位数的个体的HEI、宏量营养素充足率（MAR）以及锌、维生素B2、B3、B6、B12、维生素D的NARs较低。GI和GL均与饮食多样性得分（DED）呈正相关（p<0.001）。GI和GL与饮食质量指数的负相关可能表明碳水化合物来源在确定饮食质量指数方面的相关性。
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