Interaction between physical activity and problematic mobile phone use on suicidality in Chinese college students
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RESEARCH ARTICLE
Open Access
Interaction between physical activity and problematic mobile phone use on suicidality in Chinese college students Yang Xie1†, Ming Zhu2†, Xiaoyan Wu1,3,4,5, Shuman Tao6, Yajuan Yang7, Tingting Li1, Liwei Zou1, Honglv Xu1 and Fangbiao Tao1,3,4,5*
Abstract 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. Keywords: Physical activity, Problematic mobile phone use, Suicidality, College students, Interaction
Background College students are in a critical period of life, facing various of challenges and risks during the transition from school to society. Research shows that mental health issues are common among college students [1]. * Correspondence: [email protected] † Yang Xie and Ming Zhu contributed equally to this work and should be considered co-first authors. 1 Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, Anhui, China 3 MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei 230032, Anhui, China Full list of author information is available at the end of the article
Suicide is the second leading cause of death among adolescents worldwide [2, 3]. A meta-analysis suggested relatively high proportions of college students have suicidal thoughts and behaviors in the past 12 months [4]. Multiple studies have shown that the incidence of 12month suicide ideation in college students estimates in the 5% ~ 35% range, and 12-month suicide attempts range from 0.6 to 11% [5–9]. Furthermore, a metaanalysis based on Chinese college students reported t
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