Assessment of relationship between dietary fatty acid intake and diabetes in Dai nationality with semi-quantitative food frequency questionnaire
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摘要: 目的分析云南傣族居民膳食脂肪酸摄入水平与糖尿病发生之间的关系,为制定有效预防和控制糖尿病的膳食干预措施提供科学依据。方法2011年8月选择西双版纳傣族自治州勐海县404名≥18岁傣族居民为研究对象,采用问卷调查方式收集研究对象过去1年中各种食物的摄入频率、摄入量以及现病史、家族史情况,采集研究对象空腹血测定血糖。结果15.8%的傣族居民患糖尿病,14.9%的傣族居民糖耐量受损;傣族居民蛋白质、脂肪的摄入量均较高,膳食中三大产能营养素供能比失衡;膳食脂肪酸中饱和脂肪酸(SFA)、单不饱和脂肪酸(MUFA)、多不饱和脂肪酸(PUFAs)之比为1:1.72:0.76,比例失衡;经多因素逐步logistic回归分析显示,MUFA是糖尿病的保护因素(OR=0.906,40%CI=0.807~0.993)。结论云南傣族居民的膳食结构不合理;膳食MUFA可能对糖尿病的发生起保护作用。Abstract: ObjectiveTo investigate the relationship between dietary fatty acid intake and occurrence of diabetes in Dai nationality in Yunnan province and to provide scientific basis for dietary intervention on prevention and control of diabetes.MethodsA total of 404 Dai nationality residents aged over 18 years in Menghai county of Xishuangbanna Dai Prefecture of Yunnan province were selected.A variety of food intake and intake frequency during previous one year,the history of present illness and family history in recent years were collected by a questionnaire survey.The fasting blood glucose of the respondents was detected.ResultsOf the residents,15.8% had diabetes and 14.9% had impaired glucose tolerance.Among the residents,the dietary protein and fat intakes were high but the energy ratio of three major capacity nutrients was unbalanced,with a ratio of saturated fatty acids(SFA)to monounsaturated fatty acids(MUFA)to polyunsaturated fatty acids(PUFAs)of 1:1.72:0.76.Stepwise logistic regression analyses showed that MUFA was a protective factor of diabetes.ConclusionDietary pattern of Dai nationality residents in Yunnan province was irrational.Dietary MUFA may play a protective role in the occurrence of diabetes.
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