School of Physical Education, Liaoning Normal University, Dalian, 116029 Liaoning, China.
J Environ Public Health. 2022 Oct 7;2022:2482884. doi: 10.1155/2022/2482884. eCollection 2022.
The use of physical exercise for the purpose of maintaining adolescents' mental health is an important topic of psychological research. However, there is no unified conclusion on the effect of physical exercise time on the level of mental health. This paper investigates the causal effect of physical activity on adolescent mental health using a multilayer linear modeling approach and a Bootstrap method to test for possible mediating effects. The results of the study showed that there was a nonlinear inverted U-shaped relationship between physical activity time and adolescent mental health, with a threshold value of 105 min, and the results of the mediating effect analysis showed that self-assessment of health, self-confidence, academic stress, peer relationships, and positive peer behaviour were important mediating mechanisms between physical activity and mental health. The results of the mediation effect analysis showed that physical exercise was an important mediating mechanism between self-assessment, confidence, academic stress, peer relationship, and positive peer behaviour.
体育运动对维护青少年心理健康的作用是心理研究的一个重要课题。然而，关于体育锻炼时间对心理健康水平的影响还没有统一的结论。本研究采用多层线性建模方法和 Bootstrap 方法，考察了体育活动对青少年心理健康的因果效应，并检验了可能存在的中介效应。研究结果表明，体育活动时间与青少年心理健康之间存在非线性倒 U 型关系，阈值为 105 分钟，中介效应分析结果表明，自我评估健康、自信、学业压力、同伴关系和积极同伴行为是体育活动与心理健康之间的重要中介机制。中介效应分析结果表明，体育锻炼是自我评估、自信、学业压力、同伴关系和积极同伴行为与心理健康之间的重要中介机制。
