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目的了解南京市7岁以下儿童单纯性肥胖流行情况、变化趋势。方法采用分层整群抽样方法 ,按WHO的身高标准体重值进行肥胖儿的诊断及分度。采用χ2检验对数据进行统计分析。结果南京市7岁以下儿童单纯性肥胖症检出率为4.83%,超重儿童总检出率为8.40%,均高于中国九市调查平均水平,位列首位。2006年的肥胖检出率是1996年的1.74倍,是1986年的15.58倍。年龄、性别男童高于女童,差异有统计学意义。结论南京市7岁以下儿童单纯性肥胖症和超重检出率的迅速增长态势已使肥胖成为威胁我市儿童健康的主要问题。
Objective To understand the prevalence and trend of simple obesity in children under 7 years old in Nanjing. Methods The stratified cluster sampling method was used to diagnose and classify the obese children according to the WHO standard body weight. The χ2 test was used to analyze the data. Results The detection rate of simple obesity in children under 7 years of age in Nanjing was 4.83% and that of overweight children was 8.40%, all of which were higher than the average level of nine cities in China and ranked first. The detection rate of obesity in 2006 was 1.74 times of that in 1996, 15.58 times that of 1986. Age and sex boys than girls, the difference was statistically significant. Conclusions The rapid increase of detection rate of simple obesity and overweight in children under 7 in Nanjing has made obesity a major problem threatening the health of children in our city.