Objective To explore the prevalence and associated factors of non learning-based screen time of 4-6 grade school students in Beijing, and to provide a basic data for further research on hazard control measures such as myopia, overweight and obesity among children and adolescents in Beijing.
Methods Multistage stratified random cluster sampling method was adopted. A total of 2 515 primary school students were randomly selected in from schools in Beijing, self-developed questionnaire was used to investigate on the time for each electronic products usage for non-learning purpose, the total of electronic products usage every day and other information.
Results The rates of screen time >15 minutes each time and ≥1 h daily were 48.43%, 22.90%, respectively. Multiple Logistic regression analysis showed that ordinary school, 6 th grade, male, single-parent family and other types of family, and lack of moderate-to-vigorous physical activity at weekend were associated with the students’ non learning-based screen time ( OR =1.66, 2.28, 1.27, 1.44, 1.87, 2.20, P<0.05).
Conclusion The situation of excessive screen time of primary school students was improved in Beijing, but still be prevelent, male students of grade 4 should be given more attention, and more importance should be attached to the offect of family in children.
【摘要】 目的 了解北京市高年级小学生电子产品使用时间现况及其影响因素, 为进一步开展儿童青少年近视、超 重肥胖等危害控制措施研究提供基础数据。 方法 采用多阶段分层随机整群抽样方法, 2019 年 5 月抽取北京市城区、近 郊区、远郊区 14 所小学四至六年级共 2 515 名学生, 采用自编问卷对非学习目的单次电子产品使用时间、每天累计电子产 品使用时间等进行调查。 结果 北京市高年级小学生单次电子产品使用时间过长 (>15 min/次) 报告率为 48.43%, 每天累 计电子产品使用时间过长 (≥1 h/d) 报告率为 22.90%; 多因素Logistic回归分析显示, 普通校、六年级、男生、单亲家庭和其 他类型家庭及周末不进行中高强度运动与累计电子产品使用时间过长呈正相关 ( OR 值分别为 1.66, 2.28, 1.27, 1.44, 1.87, 2.20, P 值均<0.05)。 结论 北京市高年级小学生电子产品使用时间过长情况仍比较普遍。需要重点关注六年级、男生, 并重视家庭对孩子的影响。