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采用1：1配对方法，对7～12岁的102名肥胖儿童主要形态指标、功能指标及性发育指标进行了对比观察，并选择25个相关的影响因素，在单因素分析基础上，进行多因素条件Logistic回归分析。结果表明，男女肥胖儿童的皮褶厚度、收缩压和舒张压均值非常明显地高于对照组儿童（P<0．01）；男女肺活量和握力均值亦差异显著（P<0．05），肥胖学生高于对照学生；而更能客观反映肺通气功能的肺活量指数则对照组明显高于肥胖组。研究提示，对7～12岁儿童，若肱三头肌和肩胛下角两处皮褶厚度之和达40mm以上，则可作为判定肥胖的重要依据。肥胖儿童性发育程度较对照组领先。在诸多因素中，高热量食物、父母亲肥胖、性格好静不爱动是影响儿童发胖的主要危险因素。
The main morphological indexes, functional indexes and sexual development indexes of 102 obese children aged 7 ~ 12 years were compared by using 1: 1 pair method, and 25 relevant influencing factors were selected. On the basis of single factor analysis, more Logistic regression analysis of factor conditions. The results showed that the average skinfold thickness, systolic pressure and diastolic pressure of obese children were significantly higher than those of the control group (P <0.01). The mean values of vital capacity and grip strength of males and females were also significantly different (P <0.05) Students were higher than those of control students; while the vital capacity index, which objectively reflected pulmonary ventilation, was significantly higher in the control group than in the obese group. Research suggests that for 7 to 12-year-old children, if the triceps and scapular angle of the two skinfold thickness and the sum of 40mm above, it can be used as an important basis for determining obesity. Obese children’s sexual development than the control group. Among many factors, high-calorie foods, fat parents, quiet and unloving characters are the major risk factors that affect children’s weight gain.