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目的了解广西成人BMI(体重指数)异常的影响因素,掌握广西成人肥胖的流行状况,为肥胖防治提供科学依据。方法采用分层整群随机抽样的方法,对广西的东、西、南、北、中部地区的城市和农村≥18岁常住人口开展糖尿病流行病学横断面调查,取其中有身高、体重、腰围等完整资料的18岁以上的34 737人列入本次分析。结果广西成人超重率、肥胖率分别为31.30%、6.90%,标化率分别为15.98%、3.28%。无序多分类Logistic回归分析发现,影响体重过低的因素是舒张压(DBP)、空腹血糖(FBS)、三酰甘油(TG)等;影响超重的因素是HDL、LDL、吸烟等;影响肥胖的因素是HDL、LDL、HOMA-β等。结论广西成人超重和肥胖率较以往有所上升,处于国内较高水平;体重异常情况不同,影响因素也不同,应加大健康宣教力度,维持广西居民的健康体重。
Objective To understand the influencing factors of abnormal BMI (body mass index) in adults in Guangxi and to master the prevalence of obesity in Guangxi and to provide a scientific basis for the prevention and treatment of obesity. Methods A stratified cluster random sampling method was used to carry out a cross-sectional survey of diabetes mellitus in urban and rural areas of ≥18 years of age in urban and rural areas of east, west, south, north and central regions of Guangxi. The height, weight, waist circumference 34,737 people over 18 years of age who have complete information are included in this analysis. Results The rates of overweight and obesity in Guangxi adults were 31.30% and 6.90%, respectively. The standardization rates were 15.98% and 3.28% respectively. Logistic regression analysis showed that the factors influencing underweight were diastolic blood pressure (DBP), fasting blood glucose (FBS), triglyceride (TG), etc. The factors influencing overweight were HDL, LDL, smoking and so on. The factors are HDL, LDL, HOMA-β and so on. Conclusion The overweight and obesity rates of adults in Guangxi have risen from the past and are at a relatively high level in China. The abnormal weight and the influencing factors are different in different places. Health education should be stepped up to maintain the healthy weight of Guangxi residents.