体力活动对学龄前儿童身体生长的影响

赵广高; 王茹; 全明辉; 曹振波; 张涵彬; 张佳仪; 张金铭; 方慧; 牛战斌; 孙顺利; 陈佩杰

doi:10.16099/j.sus.2017.04.011

体力活动对学龄前儿童身体生长的影响

Effects of Physical Activity on Physical Growth of Preschool Children

摘要

摘要:
目的通过分析学龄前儿童体力活动水平与身体生长指标的关联性，探讨体力活动对学龄前儿童身体生长的影响。
方法募集上海市学龄前儿童224名，采用三轴加速度传感器测量其日常体力活动水平，并借助WHO Anthro与WHO AnthroPlus软件计算年龄别身高Z值（HAZ）、年龄别体重Z值（WAZ）和年龄别BMI Z值（BAZ）等身体生长指标结果，利用线性回归模型探讨体力活动与身体生长指标的关联性。
结果在受试男童中，中大强度体力活动（MVPA）与体重（β =0.173，P = 0.029）、WAZ（β = 0.217，P = 0.015）均呈显著正相关；女童MVPA与身高（β = 0.208，P = 0.011）、HAZ（β =0.262，P = 0.008）均呈显著正相关，TPA与HAZ（β = 0.195，P =0.0498）呈显著正相关。
结论体力活动尤其是MVPA与学龄前儿童身体生长呈显著正相关，应着重关注如何提高学龄前儿童日常MVPA水平。

Abstract:
Objective By analyzing the correlation between physical activity level and body growth index of preschool children, the paper explored the effects of physical activity on physical growth of preschool children.
Methods Two hundred twenty-four preschool children were recruited to participate in the current study.Daily physical activity level was measured with ActiGraph GT3X+ accelerometers.WHO Anthro and AnthroPlus Software were used to calculate the height-for-age (HAZ), weight-for-age (WAZ), and BMI-for-age (BAZ) scores.Multiple linear regression models were used to examine the correlation between the levels of physical activity and the growth index.
Results Moderate to vigorous physical activity (MVPA) was significantly related to weight (β=0.173, P=0.029) and WAZ-scores (β=0.217, P=0.015) among boys, and MVPA was considerably associated to height (β=0.208, P=0.011) and HAZ-scores (β=0.262, P=0.008) among girls.In addition, significant correlation between total physical activity level and HAZ-scores (β=0.195, P=0.0498) was observed among girls.
Conclusion Physical activity, especially MVPA, was significantly associated with physical growth of preschool children.Promoting MVPA for preschool children should be emphasized among parents and kindergartens.

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