南京地区居民家庭年收入与超重和肥胖关系

目的了解南京地区居民家庭年收入与超重和肥胖的流行病学关系。方法采用横断面方法,研究对象来自南京地区的3个城区和2个乡村、年满35周岁并在当地居住满5年的常住人员。结果超重和肥胖占调查总人数的44.8%,其中超重和肥胖现患率分别为33.0%和11.8%;且在地区和年龄分布中差异有统计学意义,但无性别差异。经多因素调整后,家庭年收入与超重、肥胖的风险之间存在正向的剂量-反应关系;城区居民、女性、50～64岁年龄组、高收入者罹患超重、肥胖的风险越大。结论社会经济状况（家庭收入）与南京地区超重、肥胖关系密切。

Investigation on relationship between annual family income and overweight, obesity in Nanjing

Objective To explore the relationship between annual family income and overweight,obesity in Nanjing residents.Methods Population-based cross-sectional study was conducted on local residents elder than 35 years in three urban districts and two rural counties.Results The proportion of participants with BMI above the healthy weight range was 44.8%,of which 33.0% were overweight and 11.8% obese.Significant differences were found in the prevalence of overweight and obesity between urban and rural,and among age groups;but not between genders.After adjusting for possible confounding factors,it was found that adjusted odds rations(OR)of overweight and obesity increased gradually with the increase of annual family income level for all participants.Further,women,urban residents,middle-aged,participants in the higher annual family income were more likely to be overweigh or obese.Conclusion The proportion of adults aged over 35 years with BMI above the healthy weight range was positively associated with socio-economic status(SES)in Nanjing residents.