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目的分析1991-2011年贵州省成人体质指数(Body Mass Index,BMI)分布及变化趋势。方法利用1991-2011年“中国健康与营养调查”项目8次追踪调查数据,选取贵州省18~60岁居民为研究对象,分析不同特征研究对象BMI及超重肥胖率的变化趋势。结果 1991-2011年贵州省成人BMI均值从(21.2±2.3)kg/m2上升到(22.8±3.3)kg/m2;男、女BMI均值分别上升了0.7 kg/m2和0.2kg/m2;40岁~年龄组BMI均值上升最快;城市、郊区、县城和农村居民BMI均值分别上升了1.1 kg/m2、1.1 kg/m2、1.9 kg/m2和1.9 kg/m2;超重肥胖率从11.4%上升到33.9%。结论贵州城乡居民超重肥胖呈增长趋势。
Objective To analyze the distribution and trend of adult body mass index (BMI) in Guizhou province from 1991 to 2011. Methods The data of 8 surveys conducted by China Health and Nutrition Survey from 1991 to 2011 were used to investigate the changes of BMI and overweight and obesity among residents aged 18-60 in Guizhou Province. Results The mean BMI of adults in Guizhou Province increased from (21.2 ± 2.3) kg / m2 to (22.8 ± 3.3) kg / m2 in 1991-2011. The mean BMI of male and female rose by 0.7 kg / m2 and 0.2 kg / m2, respectively. The average BMI in the urban areas, suburbs, county towns and rural residents increased by 1.1 kg / m2, 1.1 kg / m2, 1.9 kg / m2 and 1.9 kg / m2 respectively; the rate of overweight and obesity increased from 11.4% 33.9%. Conclusion The overweight and obesity of urban and rural residents in Guizhou showed an increasing trend.