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目的了解目前农村2型糖尿病的患病率,比较两个时期农村2型糖尿病患病率及其危险因素暴露率时间趋势。方法2007～2008年在河南省新安县两个乡镇整群随机抽取35～74岁农村人群16953人,对其进行代谢综合征患病率的调查,并和2000～2001年InterAsia研究的中国农村样本人群7647人进行比较。结果经2000年全国人口标化后,农村2型糖尿病患病率在七年间从5.27%上升到7.72%(χ2=8.57,P<0.01)。2000～2001年研究表明,2型糖尿病患病率随年龄的增长而上升(χ2=50.1958,P<0.01);2007～2008年的研究显示,55～64岁年龄组2型糖尿病患病率最高(12.64%)。比较两项研究发现,高血压、中心性肥胖、血脂异常的标化暴露率分别从26.82%、26.39%、20.45%升高到29.82%、46.1%、44.20%。结论农村2型糖尿病的患病率增长迅速且有年轻化的趋势,主要危险因素暴露率也呈上升趋势,预防控制刻不容缓。
Objective To understand the current prevalence of type 2 diabetes in rural areas and to compare the prevalence of type 2 diabetes in rural areas and the exposure time trends of risk factors in these two periods. Methods From 2007 to 2008, 16 953 rural population aged 35-74 years were randomly selected from two clusters of townships and towns in Xin’an County, Henan Province to investigate the prevalence of metabolic syndrome and compared with the rural Chinese sample of InterAsia from 2000 to 2001 7647 people were compared. Results After the national population standardization in 2000, the prevalence of type 2 diabetes in rural areas increased from 5.27% to 7.72% in seven years (χ2 = 8.57, P <0.01). From 2000 to 2001, the prevalence of type 2 diabetes increased with age (χ2 = 50.1958, P <0.01). From 2007 to 2008, the prevalence of type 2 diabetes in the 55-64 age group was the highest (12.64%). Comparing the two studies, we found that the standardized exposure rates of hypertension, central obesity and dyslipidemia increased from 26.82%, 26.39% and 20.45% to 29.82%, 46.1% and 44.20% respectively. Conclusions The prevalence of type 2 diabetes in rural areas is growing rapidly and younger, and the exposure rate of major risk factors is also on the rise. Prevention and control are urgently needed.