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目的 为了解南京城区 7岁以下儿童单纯性肥胖症流行现状与影响因素。方法 采用超过WHO推荐身高别体重参考值的 2 0 %且排除继发性肥胖作为单纯性肥胖症的诊断标准 ,对南京城区 112 2 2例 7岁以下儿童进行了测查分析。结果 单纯性肥胖症检出率为 1 76 % ,较 1986年 (0 30 8% )增长了 5 7倍 ,男童检出率明显高于女童 (P <0 0 1)。 4岁以后肥胖患病率与肥胖程度随年龄增长而增加 ,6岁组最高 ,是 1岁以内的 3 6倍 ,且重度肥胖占总重度肥胖儿童的 5 5 5 6 %。儿童肥胖初始年龄 1岁以内占 2 3 2 0 % ,3岁以后占 5 6 41% ,这与遗传、饮食、行为因素及运动过少有关。本次调查还发现在托幼机构受到合理膳食管理的肥胖儿童仅占 16 82 %。结论 儿童单纯性肥胖症预防重点应放在学龄前期 ,不仅家庭要改变肥胖儿童的生活行为模式 ,而且应加强托幼机构对超重、肥胖儿童的膳食管理
Objective To understand the prevalence and influential factors of simple obesity in children under 7 in Nanjing urban area. Methods Twenty-two cases of children under 7 years of age in Nanjing city were investigated by using diagnostic criteria that exceeded 20% of the WHO recommended body weight reference and excluded secondary obesity as simple obesity. Results The detection rate of simple obesity was 1 76%, an increase of 57 times compared with 1986 (0 30 8%). The detection rate of boys was significantly higher than that of girls (P 0 01). After 4 years of age, the prevalence of obesity and obesity increased with age, the highest in 6-year-old group was 36 times within 1 year of age and the severe obesity accounted for 55 65% of the total severe obesity children. The initial age of childhood obesity accounted for 2320% within 1 year of age and 5 6 41% after 3 years of age, which was related to genetics, diet, behavioral factors and hypokalemia. The survey also found that only 16.82% of obese children were receiving reasonable dietary management at kindergartens. Conclusion The prevention of childhood simple obesity should be focused on preschool age, not only the family should change the life behavior pattern of obese children, but also strengthen the care management of overweight and obese children