2006年广州市7岁以下儿童单纯性肥胖流行病学调查分析

Epidemiological study and analysis on simple obesity of preschool children in Guangzhou in 2006

【目的】了解广州市7岁以下儿童单纯性肥胖症的流行情况及其影响因素,为制定干预措施提供依据。【方法】采用分层整群抽样,并以"同地区、同性别、年龄相近、身高相差≤5 cm"选择正常儿童进行1∶1配对,采用χ2检验、单因素和多因素条件Logistic回归方法进行资料分析。【结果】广州市7岁以下儿童单纯性肥胖症检出率为1.73%,超重儿童总检出率为3.76%,均以1岁以内及3岁后检出率高,呈现一种"V"型趋势,男童明显高于女童;多因素Logistic回归分析显示:食欲、进食速度、甜饮料量、睡眠时间为影响儿童肥胖的有统计学意义的因素。【结论】广州市7岁以内儿童超重、肥胖检出率均较10年前大幅度的增加,肥胖将成为威胁我市儿童健康的常见病。肥胖的控制应从胎儿期开始,加强健康教育,关键是纠正喂养人特别是母亲错误的喂养观念和行为。

[Objective] To study epidemiological status and influencing factors of preschool children with simple obesity in Guangzhou and to provide evidences for instituting intervention study. [Methods] By stratified cluster sampling and choosing normal children to pairing at 1 ： 1 according to the principle that children were paired at the same area and sex, near age and body height gap less than or equal to 5 cm. These data were analyzed by Chi-square test, simple and multiple factor Logistic regression. [Results] The detection rate of simple obesity of preschool children in Guangzhou was 1.74% and the rate of overweight was 3. 76, which were higher in children within 1 year old and after 3 years old, and the trend presents ＂V＂ form. The rate was higher in boys than in girls. The result showed factors influencing on simple obesity of children were appetite, eating speed, sweet beverage volume and hours of sleep. [Conclusions] The detection rate of simple obesity and overweight was increased in larger extent than ten years ago in Guangzhou. Obesity has become a commom disease threatening children. It should be begin from fetus period to enhance health education and control the prevalence of obesity. The key point is to correct the feeding concepts and behaviors of persons who feed baby especially mother.