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目的 了解不同体重、腰围、超重和肥胖与糖耐量低减 (IGT)患病率关系 ,为预防和控制IGT提供科学依据。方法 采用分层整群抽样方法 ,随机抽取 2个社区和 2个乡镇 15岁以上本地居住 5年以上的居民 ,共计 4 6 82人。进行问卷调查 ,测量身高、体重、腰围 ,测定空腹口服 75g葡萄糖后 2h血糖。结果 IGT患病率为 7 0 7% ,其中男性为 7 4 3% ,女性为 6 82 %。IGT患病率随体重的增加而不断增高 ,但 30kg组IGT患病率大于 4 0～ 6 0kg组 ,呈现“√”形关系。随腰围增大IGT患病率呈明显上升趋势 ,至腰围 10 0cm组时达到高峰 ,此趋势在男、女性中一致。超重、肥胖组IGT患病率明显高于BMI正常组和低体重组 ,其OR值分别为 1 6 2和 2 2 2 ,95 %CI分别为 1 5 0～ 2 72和 1 87～ 4 2 8。结论 IGT的发生与体重、超重和肥胖 ,尤其是腹型肥胖之间存在密切关联。因此 ,应保持适当体重和正常体型 ,加强对肥胖人群和IGT患者的干预 ,减少糖尿病的发生。
Objective To understand the relationship between body weight, waist circumference, overweight and obesity and the prevalence of impaired glucose tolerance (IGT) and to provide a scientific basis for the prevention and control of IGT. Methods A stratified cluster sampling method was used to randomly select 2 communities and 2 townships above 15 years of age with residents living over 5 years for a total of 4662 people. Questionnaire survey, height, weight, waist circumference, determination of fasting oral glucose 2g after 75g of glucose. Results The prevalence of IGT was 70.7%, of which 74.3% were male and 62.02% women. The prevalence of IGT increased with the increase of body weight, but the prevalence of IGT in 30kg group was greater than that of 40 ~ 60kg, showing a “√” shape. With the increase of waist circumference, the prevalence of IGT showed a clear upward trend, reaching a peak at the waist circumference of 10 cm. This trend was consistent in both men and women. The prevalence of IGT in overweight and obesity group was significantly higher than that in normal BMI group and low body weight group, with OR values of 162 and 222 respectively, with 95% CIs of 150 to 722 and 187 to 428, respectively . Conclusion There is a close relationship between the occurrence of IGT and weight, overweight and obesity, especially abdominal obesity. Therefore, proper weight and normal body shape should be maintained to increase the intervention in obese people and IGT patients and reduce the incidence of diabetes.