School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.
Child Abuse Negl. 2020 Oct;108:104638. doi: 10.1016/j.chiabu.2020.104638. Epub 2020 Jul 28.
The Canadian 24-Hour Movement Guidelines for Children and Youth recommend ≥60 min of physical activity per day, ≤2 h of recreational screen time per day, and 9-11 hours of sleep per night for 11-13 years old and 8-10 hours per night for 14-17 years old.
This study examined the association between combinations of these recommendations and school bullying and cyberbullying victimization and perpetration among adolescents.
A total of 5615 Canadian students (mean age = 15.2 years) who participated in the 2017 Ontario Student Drug Use and Health Survey (OSDUHS) self-reported their physical activity, screen time, sleep duration, and their involvement in bullying.
Logistic regression analyses were adjusted for important covariates.
Meeting the screen time recommendation alone was associated with lower odds of being a victim (OR: 0.64; 95 % CI: 0.46-0.88) or a bully (OR: 0.64; 95 % CI: 0.43-0.96) at school and a victim of cyberbullying (OR: 0.67; 95 % CI: 0.49-0.91). Meeting both the screen time and sleep duration recommendations was associated with lower odds of being a bully (OR: 0.51; 95 % CI: 0.30-0.88). Meeting all 3 recommendations showed stronger associations (i.e. lowest risk) with being a victim of school bullying (OR: 0.32; 95 % CI: 0.19-0.54), a bully-victim (OR: 0.25; 95 % CI: 0.08-0.78) or a victim of cyberbullying (OR: 0.37; 95 % CI: 0.17-0.84).
Our findings provide evidence that meeting the 24 -h movement guidelines is associated with lower odds of bullying involvement. Encouraging adherence to the 24 -h movement guidelines could be a good behavioural target to prevent involvement in both school bullying and cyberbullying.
加拿大儿童和青少年 24 小时运动指南建议 11-13 岁儿童每天进行≥60 分钟的身体活动、≤2 小时的娱乐性屏幕时间、9-11 小时的夜间睡眠时间，14-17 岁儿童每天进行 8-10 小时的夜间睡眠时间。
本研究旨在探讨这些建议的组合与青少年在学校的欺凌和网络欺凌受害和施害之间的关系。
共有 5615 名加拿大学生（平均年龄=15.2 岁）参加了 2017 年安大略省学生毒品使用和健康调查（OSDUHS），他们报告了自己的身体活动、屏幕时间、睡眠时间以及参与欺凌的情况。
使用逻辑回归分析调整了重要的协变量。
仅符合屏幕时间建议与在校作为受害者（OR：0.64；95%CI：0.46-0.88）或欺凌者（OR：0.64；95%CI：0.43-0.96）以及网络欺凌受害者（OR：0.67；95%CI：0.49-0.91）的几率较低相关。同时符合屏幕时间和睡眠时间建议与作为欺凌者（OR：0.51；95%CI：0.30-0.88）的几率较低相关。符合所有 3 项建议与作为学校欺凌受害者（OR：0.32；95%CI：0.19-0.54）、欺凌者-受害者（OR：0.25；95%CI：0.08-0.78）或网络欺凌受害者（OR：0.37；95%CI：0.17-0.84）的几率较低相关。
我们的研究结果表明，符合 24 小时运动指南与较低的欺凌参与几率相关。鼓励遵守 24 小时运动指南可能是预防学校欺凌和网络欺凌参与的一个很好的行为目标。
