儿童户外活动及体质指数与维生素D营养状况的关系研究

doi:10.11852/zgetbjzz2017-25-04-04

中国儿童保健杂志 ›› 2017, Vol. 25 ›› Issue (4): 334-337.DOI: 10.11852/zgetbjzz2017-25-04-04

儿童户外活动及体质指数与维生素D营养状况的关系研究

秦振英¹,梁冠禹¹,胡幼芳¹,符艳蓉²,杨梓¹,赵艳¹,秦锐¹

1 南京医科大学第一附属医院儿童保健科,江苏省妇幼保健院,江苏南京 210029;
2 南京医科大学第二附属医院,江苏南京 210000

收稿日期:2016-07-21 发布日期:2017-04-10 出版日期:2017-04-10
通讯作者: 秦锐,E-mailqinrui329@163.com
作者简介:秦振英(1985-),女,山西人,主治医师,研究方向为儿童营养。
基金资助:
江苏省妇幼保健重点学科项目(FXK201203);中国疾病预防控制中心妇幼保健中心-合生元母婴营养与健康研究项目(2015FYH020)

Vitamin D status and its relationship to the time of outdoor activities and the body mass index in 0~6 years old children

QIN Zhen-ying¹,LIANG Guan-yu¹,HU You-fang¹,FU Yan-rong²,YANG Zi¹,ZHAO Yan¹,QIN Rui¹

1 Department of Children's Health Care,the First Affiliated Hospital of Nanjing Medical University,Jiangsu Maternity and Child Care Hospital,Nanjing,Jiangsu 210029,China;
2 The Second Affiliated Hospital of Nanjing Medical University,Nanjing,Jiangsu 210000,China

Received:2016-07-21 Online:2017-04-10 Published:2017-04-10
Contact: QIN Rui,E-mailqinrui329@163.com

摘要/Abstract

摘要： 目的了解江苏省0~6岁儿童维生素D(VitD)营养状况,探讨户外活动时间及体质指数与VitD水平的关系。方法采用分层随机整群抽样的方法,抽取江苏省12个地区0~6岁健康儿童5 289名,常规体检,测量体重、身长/高,计算体质指数(BMI),检测血清25-羟维生素D[25(OH)D]浓度,并进行相关问卷调查。结果 1)江苏省0~6岁儿童血清25(OH)D平均水平为(66.59±30.27)nmol/L,以25-(OH)D<75 nmol/L作为VitD 缺乏和不足的标准^[1],VitD缺乏和不足者3 471例(65.6%);2岁以上儿童VitD水平[(61.65±27.57) nom/L]明显低于2岁以下婴幼儿[(70.25±32.55) nom/L]。2)在校正年龄、性别等影响因素后,多因素回归分析显示:户外活动时间、BMI与VitD水平相关,每日户外活动时间达4 h以上者VitD水平最佳,随BMI增加,VitD水平呈上升趋势(F=4.168,P<0.05);以BMI>P 97th为肥胖标准,本研究中肥胖儿童409例(7.73%),肥胖儿童血清VitD水平[(65.94±29.56)nmol/L]低于正常儿童[(66.65±30.34)nmol/L],但差异无统计学意义(t=0.454,P=0.650)。结论江苏省儿童VitD营养状况处于相对缺乏状态,2周岁以上儿童VitD水平显著低于2岁以下儿童;足够的户外活动时间有利于维持较好的VitD营养状况;在未达到肥胖标准时,儿童BMI与VitD水平呈正相关。

关键词: 户外活动时间, 体质指数, 儿童, 维生素D

Abstract: Objective To evaluate the vitamin D (VitD) nutritional status,and to investigate the interaction of 25-hydroxy-vitamin D [25(OH)D] and outdoor activities time and the body mass index in 0~6 years old children. Methods Utilizing a stratified random cluster sampling design,a total of 5 289 healthy children aged 0~6 years old were recruited from 12 regions of Jiangsu province.Anthropometric indices:weight,height,VitD levels were estimated by ELISA,and the related questionnaire investigation was carried. Results 1)The means and standard deviations of serum 25-(OH)D levels was (66.59±30.27)nmol/L,65.6% had VitD deficiency,VitD overdose and poisoning cases were not found.The level of 25-(OH)D was significantly higher in 0~2 years old group.2)When children's age,gender and other variables were adjusted,outdoor activities time and the BMI were correlated with the serum 25-(OH)D levels (P<0.01),Daily time for outdoor activities up to 4 hours had best VitD level (F=11.45,P<0.05).The research objects receiving physical examination were screened by BMI(BMI>P 97th was the standard for obesity).In the study with 409 cases of obese children,the 25-(OH)D concentration increased with BMI(F=4.168,P<0.05).In addition,the serum 25-(OH)D levels in obesity and normal group were (65.94±29.56)nmol/L and (66.65±30.34) nmol/L,and this difference was not significant(t=0.454,P=0.650). Conclusions There is a high prevalence of VitD deficiency in 0 to 6 year olds in Jiangsu province,especially for children over 2 years of age.The average VitD levels among children more exposed to sunlight is sufficient.When it is not up to the obesity standard,there is a positive correlation between 25-(OH)D levels and BMI.

Key words: outdoor physical inactivity, body mass index, children, vitamin D

中图分类号:

R179

秦振英,梁冠禹,胡幼芳,符艳蓉,杨梓,赵艳,秦锐. 儿童户外活动及体质指数与维生素D营养状况的关系研究[J]. 中国儿童保健杂志, 2017, 25(4): 334-337.

QIN Zhen-ying,LIANG Guan-yu,HU You-fang,FU Yan-rong,YANG Zi,ZHAO Yan,QIN Rui. Vitamin D status and its relationship to the time of outdoor activities and the body mass index in 0~6 years old children[J]. journal1, 2017, 25(4): 334-337.

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儿童户外活动及体质指数与维生素D营养状况的关系研究

Vitamin D status and its relationship to the time of outdoor activities and the body mass index in 0~6 years old children

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