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目的了解皖西农村地区40~70岁留守居民体质指数(body mass index,BMI)的现状及其影响因素,为开展相关防治工作提供依据。方法采用随机整群抽样的方法 ,对安徽省六安市3个乡镇18个行政村的40~70岁农村留守居民进行电子化问卷调查和体格检查。结果收集有效问卷4 040份,其中3 700名村民进行身高、体重的测量;留守村民中男性为1 301名,女性为2 399名,男女比为1∶1.84;留守村民的超重/肥胖率为60.26%,其中超重和肥胖率分别为43.46%和16.81%。累积Logistic回归分析,年龄、血糖、血压、经常饮酒是BMI的影响因素,40~49岁组(OR=1.75,95%CI:1.48~2.08)和50~59岁组(OR=1.38,95%CI:1.17~1.62)相比60~70岁组BMI高;血压正常组(OR=0.28,95%CI:0.24~0.34)和1级高血压组(OR=0.68,95%CI:0.58~0.80)相比2~3级高血压组BMI低;空腹血糖<5.6 mmol/L组(OR=0.40,95%CI:0.32~0.51)和5.6~6.9 mmol/L组(OR=0.55,95%CI:0.44~0.70)相比≥7.0 mmol/L组BMI低;不经常饮酒者比经常饮酒者BMI高(OR=1.20,95%CI:0.97~1.48)。结论皖西农村地区留守居民的超重和肥胖比例较高,应加强留守村民的体重控制相关干预工作。
Objective To understand the current status and influencing factors of body mass index (BMI) of left-behind residents in rural areas of western Anhui from 40 to 70 years old and provide the basis for the prevention and control work. Methods A randomized cluster sampling method was used to conduct electronic questionnaire and physical examination of left-behind residents aged 40-70 in 18 administrative villages in 3 towns and villages in Lu’an, Anhui Province. Results A total of 4 040 valid questionnaires were collected, in which 3 700 villagers were measured for height and weight. Among the left-behind villagers, 1 301 were males and 2 399 were females, with a ratio of 1: 1.84. The overweight / obesity rate among left-behind villagers was 60.26%, of which overweight and obesity rates were 43.46% and 16.81% respectively. Cumulative logistic regression analysis showed that age, blood glucose, blood pressure and alcohol consumption were the influential factors of BMI in 40-49 age group (OR = 1.75,95% CI: 1.48-2.08) and 50-59 years old group (OR = 1.38,95% (OR = 0.28, 95% CI: 0.24-0.34) and grade 1 hypertension group (OR = 0.68, 95% CI: 0.58-0.80, CI: 1.17-1.62) ) Were lower than those in patients with grade 2 or 3 hypertension. The fasting blood glucose was less than 5.6 mmol / L (OR = 0.40, 95% CI: 0.32-0.51) and 5.6-6.9 mmol / L : 0.44 ~ 0.70), and BMI was lower than 7.0 mmol / L in those who did not drink alcohol regularly (OR = 1.20, 95% CI: 0.97-1.48). Conclusion Residents living in rural areas of western Anhui Province have a high proportion of overweight and obesity. We should strengthen the interventions on the weight control of left-behind villagers.