Relationship between screen time and gross motor development among preschool children
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摘要:
目的 探讨幼儿屏前静态行为与大肌肉动作发展的关系, 为提高幼儿健康水平提供科学依据。 方法 于2021年3月采用分层随机整群抽样方法选取内蒙古包头市5所幼儿园373名幼儿进行大肌肉动作发展(TGMD)测试, 通过幼儿家长代理问卷采集屏前静态行为时间(screen time, ST)。采用配对样本t检验比较工作日与周末时间段屏前时间, 采用独立样本t检验比较不同性别幼儿动作发展差异。 结果 幼儿工作日ST为(52.10±31.67)min/d, 周末为(65.79±10.36)min/d。不同性别幼儿大肌肉动作总分和移动性动作得分, 差异均有统计学意义(t值分别为2.35, 2.65, P值均 < 0.05)。工作日和周末屏前总时间与大肌肉动作、移动性动作和操作性动作相关均有统计学意义(r=-0.22~-0.20, P值均 < 0.01)。多元线性回归分析显示, 周末和工作日看电视时间以及工作日玩手机时间是影响大肌肉动作发展的主要因素(P值均 < 0.05)。 结论 幼儿屏前静态行为与大肌肉动作发展呈负相关。减少看电视和玩手机时间, 对提高幼儿大肌肉动作发展水平有重要意义。 Abstract:Objective To analyze the relationship between screen time and gross motor development and to provide scientific basis for health promotion among preschool children. Methods In March 2021, gross motor of 373 children from 5 kindergartens in Baotou was tested by Test of Gross Motor Development (TGMD). Screen time (ST) was collected by parental questionnaire. Paired t-test was used to compare the screen time between working days and weekends, and independent sample t-test was used to compare the differences of children's motor development between different sexes. Results ST of children was (52.10±31.67) min/d during the week and (65.79±10.36) min/d during the weekend. There were significant differences in the total scores of gross motor and mobile motor of children in different sexes(t=2.35, 2.65, P < 0.05). The correlation between total screen time and gross motor, mobile motor and operant motor was statistically significant (r=-0.22--0.20, P < 0.01). Multiple linear regression showed that the time spent watching TV and the time spent using mobile phones during the week were the main factors affecting the gross motor development. Conclusion There is a significant negative correlation between children's screen time and gross motor development. It is important to reduce the time spent on TV and mobile phone to improve childhood gross motor development. Fixation, ocular; Behavior; Growth and development; Regression analysis; Child -
Key words:
- Fixation, ocular /
- Behavior /
- Growth and development /
- Regression analysis /
- Child
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 幼儿大肌肉动作发展与屏前静态行为相关系数(r值, n=373)
Table 1. Relationship between the gross motor development and screen time for young children(r, n=373)
时间 变量 屏前总时间 看电视时间 看电脑/ 平板时间 玩手机时间 其他屏前时间 工作日 大肌肉动作 -0.20** -0.21** -0.05 -0.15** -0.04 移动性动作 -0.20** -0.16** -0.07 -0.15** -0.05 操作性动作 -0.13** -0.19** -0.00 -0.09 -0.01 周末 大肌肉动作 -0.22** -0.26** -0.09* -0.12* -0.16** 移动性动作 -0.21** -0.20** -0.10 -0.13* -0.17** 操作性动作 -0.15** -0.22** -0.05 -0.06 -0.10 注:*P < 0.05,**P < 0.01。 表 2 幼儿大肌肉动作与屏前静坐行为时间的多元线性回归分析(n=373)
Table 2. Multiple regression analysis of the gross motor development and screen time(n=373)
常量与自变量 B值 标准差 β值 t值 P值 常量 60.66 1.26 48.04 < 0.01 周末看电视时间 -0.11 0.03 -0.02 -4.02 < 0.01 工作日看电视时间 -0.10 0.04 -0.12 -2.27 0.02 工作日玩手机时间 -0.08 0.04 -0.10 -2.00 < 0.05 -
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