成都市学龄前儿童肥胖影响因素的病例对照研究

[目的]了解成都市学龄前儿童肥胖的影响因素,为儿童肥胖的预防和控制提供基础资料。[方法]在成都市幼儿园随机选取50名年龄3￣6岁肥胖儿童,按1︰2的比例与100名同性别、同身高、同年龄的正常儿童配对,通过问卷调查方法进行儿童肥胖影响因素的病例对照研究。[结果]本次病例对照研究结果表明,遗传因素和环境因素对学龄前儿童肥胖均有影响。学龄前儿童肥胖危险因素主要是食量、出生巨大儿、父母BMI、进餐速度及运动时间。[结论]学龄前儿童肥胖的危险因素多与生活行为方式密切相关,因此应加强对家长和幼教人员的营养教育,增强其健康意识,培养儿童良好的饮食和运动习惯,从而达到有效地预防和控制儿童肥胖的目的。

CASE-CONTROL STUDY ON THE INFLUENCING FACTORS OF OBESITY FOR PRESCHOOL CHILDREN

[Objective]To explore the influencing factors of obesity among preschool children.[Methods]A case-control study was conducted in 50 children with obesity and 100 children with normal weight. Questionnaire were used in the subjects. The data were analyzed by mono-factorial and multi-factorial non-conditional logistic regression by SPSS11.5 software.[Results]Excess intake of dietary energy was the first risk factor for obesity of preschool children from logistic regression analysis(with a standardized estimate of 4.71). Macrosomia was the independent risk factor(OR = 48.8)compared with children in normal born weight. Paternal obesity was also a risk factor with a standardized estimation of 2.24 in multivariate analysis after adjusting the born weight and dietary fat intake of children. Maternal overweight,eating speed and time for physical activities of children were also found to be the risk factors of obesity in bivariate analysis.[Conclusion]Most of the risk factors of obesity among preschool children in Chengdu are related to the dietary and physical behaviors. Parents,kindergartens and communities should create a support circumstance to prevent and control childhood obesity.