• Wenjing Xiong, Hongjian Liu, Ping Gong, Qi Wang, Zheng Ren, Minfu He, Ge Zhou, Juan Ma, Xia Guo, Xinwen Fan, Meitian Liu, Xiaodi Yang, Yue Shen, and Xiumin Zhang.
• Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China.
• J Affect Disord. 2019 Oct 1; 257: 108-115.

BackgroundLimited published research has examined the relationships of coping styles and sleep quality with anxiety symptoms in Chinese school adolescents. We aimed to explore the effect of coping styles and sleep quality on anxiety symptoms. Furthermore, we investigated the interactions of coping styles and sleep quality with anxiety symptoms.MethodsThe survey was conducted in Jiangxi Province, China. The Simplified Coping Style Questionnaire, Pittsburgh Sleep Quality Index and Chinese Secondary School Students Anxiety Scale were utilized to assess sleep quality, coping styles and anxiety symptoms, respectively. Multiple logistic regression analysis was applied to explore the relationships of coping styles and sleep quality with anxiety symptoms.ResultsA total of 3081 students participated in this study, 50.8% of whom were boys; the number of participants in grades 1, 2 and 3 were 979, 1085 and 1017, respectively. The prevalence of anxiety symptoms was 27.3%. Individuals with poor sleep quality were 3.558 (95% CI = 2.716-4.660) times as likely to have anxiety symptoms than those with good sleep quality. Higher negative coping style scores increased the prevalence of anxiety symptoms (OR = 2.101, 95% CI = 1.894-2.332), whereas higher positive coping style scores were related to reduced odds of anxiety symptoms (OR = 0.892, 95% CI = 0.800-0.995). Interactions of coping styles and sleep quality with anxiety symptoms were not found (all p > 0.05). The association between negative coping style and anxiety symptoms was mediated by sleep quality.LimitationsThis study was cross-sectional and limited to Ganzhou City.ConclusionsThe results of our study showed a higher prevalence of anxiety symptoms compared with the result of a previous study in Chinese school adolescents. Negative coping style and poor sleep quality were associated with an increased prevalence of anxiety symptoms, whereas positive coping style was related to a decreased prevalence of anxiety symptoms. Sleep quality was a mediating factor between negative coping style and anxiety symptoms.Copyright © 2019 Elsevier B.V. All rights reserved.

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