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目的:分析探讨3岁~6岁超重肥胖儿童血清维生素D与其影响因素。方法:选取某幼儿园3岁~6岁儿童100例(时间为2015年4月份~2015年6月份),进行身高体重的测量,随机将50例超肥胖儿童作为对照组,50例体重正常的儿童作为对照组,测定血清25-羟维生素D3水平并分析其影响因素。结果:观察组儿童平均血清25-羟维生素D_3水平明显低于对照组儿童,户外活动时间在0.5小时以上和2小时以上的儿童,血清维生素D的水平都有明显的增加,统计学上有意义(P<0.05)。结论:3岁~6岁的儿童中,超肥胖儿童血清25-羟维生素D_3水平显著低于正常体重的儿童,户外活动时间的减少是主要的因素。
Objective: To analyze and discuss the influencing factors of serum vitamin D in 3-year-old to 6-year-overweight obese children. Methods: A total of 100 children (age from April 2015 to June 2015) from 3 years old to 6 years old in a kindergarten were enrolled in this study. Height and weight were measured. Fifty hyper-obese children were randomly divided into control group, 50 normal weight children As a control group, the level of serum 25-hydroxyvitamin D3 was measured and its influencing factors were analyzed. Results: The mean serum 25-hydroxyvitamin D 3 level in observation group was significantly lower than that in control group. The serum vitamin D level was significantly increased in children with outdoor activities over 0.5 hour and over 2 hours, which were statistically significant (P <0.05). CONCLUSIONS: Among children aged 3 to 6 years, the serum levels of 25-hydroxyvitamin D3 in children with obesity are significantly lower than those of children with normal body weight. The decrease of outdoor time is the main factor.