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目的了解芜湖市弋江区2015年学龄前儿童肥胖流行情况,为开展儿童肥胖预防与干预提供依据。方法采用整群抽样方法,抽取弋江区39所幼儿园,对7 502名在园学龄前儿童开展身高体重测量,计算儿童体块指数,分析学龄前儿童肥胖的年龄和性别分布特征。结果弋江区2~6岁儿童肥胖检出率为6.93%,男童与女童比较,差异有统计学意义(χ2=15.875,P<0.001);轻度肥胖检出率为4.30%,中度肥胖检出率在各年龄组差异有统计学意义(χ2趋势=7.021,P<0.05);调查的7 502名儿童BMI均值为15.72±2.14 kg/m2,男童BMI均值高于女童,男女童之间BMI值差异有统计学意义(t=7.374,P<0.001);除2岁组外,其他各年龄组男女儿童间BMI值差异均有统计学意义(P<0.05)。结论芜湖市弋江区学龄前儿童肥胖流行水平不高,鉴于3~6岁期间的脂肪重积聚特点,应建立肥胖早期干预机制,进一步控制儿童青少年期肥胖发生风险。
Objective To understand the prevalence of obesity in preschool children in Yijiang District of 2015 in Wuhu City, and to provide basis for the prevention and intervention of obesity in children. Methods By cluster sampling, 39 kindergartens in Yijiang District were sampled. Height and weight measurements were performed on 7 502 preschool children in preschool. The body mass index was calculated and the age and gender distribution of obesity in preschool children was analyzed. Results The detection rate of obesity in children aged 2 ~ 6 years in Yijiang district was 6.93%. There was a significant difference between boys and girls (χ2 = 15.875, P <0.001). The prevalence of mild obesity was 4.30% The prevalence of obesity was significantly different in all age groups (χ2 trend = 7.021, P <0.05). The average BMI of 7 502 children was 15.72 ± 2.14 kg / m2, and the mean value of BMI in boys was higher than that of girls and boys (T = 7.374, P <0.001). There was significant difference in BMI between boys and girls in other age groups except 2 years old (P <0.05). Conclusion The prevalence of obesity in preschool children in Yijiang district of Wuhu city is not high. In view of the characteristics of fat accumulation during 3-6 years old, an early obesity intervention mechanism should be established to further control the risk of childhood obesity.