体力活动与问题性手机使用对中国大学生自杀倾向的交互作用。
Interaction between physical activity and problematic mobile phone use on suicidality in Chinese college students.
机构信息
Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, Anhui, China.
Zhongshan School of Medicine, Sun Yat-Sen University, 74 2nd Zhongshan Road, Yuexiu District, Guangzhou, 510000, Guangdong, China.
出版信息
BMC Psychiatry. 2020 Oct 23;20(1):517. doi: 10.1186/s12888-020-02920-6.
BACKGROUND
Previous research has found a relationship between problematic mobile phone use (PMPU) and suicidality. However, few studies have examined the interaction effects between low physical activity (PA) and PMPU on suicidality among college students. This study aimed to examine the interactions of PA and PMPU and their impact on suicidality in a school-based sample among Chinese college students.
METHODS
Analysis is based on date from two university in China, which recruited 4787 participants. Binomial logistic regression models were used to explore the associations of PA, PMPU with suicidal ideation and suicide attempt, as well as the interaction of PA and PMPU with suicidality.
RESULTS
The prevalence of suicide attempt and suicidal ideation were 3.5 and 7.2%, respectively. Low PA was significantly associated with suicide attempt (OR = 3.48, 95%CI: 2.52-4.81) and suicidal ideation (OR = 1.90, 95%CI: 1.46-2.46). PMPU was significantly associated with suicide attempt (OR = 3.65, 95%CI: 2.66-5.01) and suicidal ideation (OR = 2.83, 95%CI: 2.25-3.54). Interaction analysis indicated that low PA and PMPU were interactively associated with suicide attempt (OR = 9.51, 95%CI: 6.15-14.73, P < 0.001), RERI = 4.85(1.20-8.50), AP = 0.51(0.29-0.73), SI = 2.32(1.34-4.04). There was no additive interaction effects between PA and PMPU on suicidal ideation.
CONCLUSIONS
The findings reveals that the intervention programs of suicide attempt should consider the students PA levels and PMPU.
背景
先前的研究发现，手机使用问题（PMPU）与自杀意念之间存在关联。然而，很少有研究调查大学生中低体力活动（PA）与 PMPU 之间的相互作用对自杀意念的影响。本研究旨在检验 PA 和 PMPU 的相互作用及其对中国大学生中自杀意念的影响。
方法
分析基于中国两所大学的数据，共纳入 4787 名参与者。采用二项逻辑回归模型来探讨 PA、PMPU 与自杀意念和自杀企图的关联，以及 PA 和 PMPU 与自杀意念的相互作用。
结果
自杀企图和自杀意念的患病率分别为 3.5%和 7.2%。低 PA 与自杀企图（OR=3.48，95%CI：2.52-4.81）和自杀意念（OR=1.90，95%CI：1.46-2.46）显著相关。PMPU 与自杀企图（OR=3.65，95%CI：2.66-5.01）和自杀意念（OR=2.83，95%CI：2.25-3.54）显著相关。交互作用分析表明，低 PA 和 PMPU 与自杀企图存在交互作用（OR=9.51，95%CI：6.15-14.73，P<0.001），RERI=4.85（1.20-8.50），AP=0.51（0.29-0.73），SI=2.32（1.34-4.04）。PA 和 PMPU 对自杀意念无相加交互作用。
结论
研究结果表明，干预自杀企图的方案应考虑学生的 PA 水平和 PMPU。
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