Insomnia partially mediated the association between problematic Internet use and depression among secondary school students in China
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AbstractBackground and aims:
This study aims to examine the mediating effects of insomnia on the associations between problematic Internet use, including Internet addiction (IA) and online social networking addiction (OSNA), and depression among adolescents.

Methods:
A total of 1,015 secondary school students from Guangzhou in China participated in a cross-sectional survey. Levels of depression, insomnia, IA, and OSNA were assessed using the Center for Epidemiological Studies-Depression Scale, Pittsburgh Sleep Quality Index, Young's Diagnostic Questionnaire, and Online Social Networking Addiction Scale, respectively. Logistic regression models were fit to test the associations between IA, OSNA, insomnia, and depression. The mediation effects of insomnia were tested using Baron and Kenny's strategy.

Results:
The prevalence of depression at moderate level or above (CES-D = 21), insomnia, IA, and OSNA were 23.5%, 37.2%, 8.1%, and 25.5%, respectively. IA and OSNA were significantly associated with depression (IA: AOR = 2.79, 95% CI: 1.71, 4.55; OSNA: AOR = 3.27, 95% CI: 2.33, 4.59) and insomnia (IA: AOR = 2.83, 95% CI: 1.72, 4.65; OSNA: AOR = 2.19, 95% CI: 1.61, 2.96), after adjusting for significant background factors. Furthermore, insomnia partially mediated 60.6% of the effect of IA on depression (Sobel Z = 3.562, p <.002) and 44.8% of the effect of OSNA on depression (Sobel Z = 3.919, p <.001), respectively.

Discussion:
The high prevalence of IA and OSNA may be associated with increased risk of developing depression among adolescents, both through direct and indirect effects (via insomnia). Findings from this study indicated that it may be effective to develop and implement interventions that jointly consider the problematic Internet use, insomnia, and depression.
All Author(s) ListLi JB, Lau JTF, Mo PKH, Su XF, Tang J, Qin ZG, Gross DL
Journal nameJournal of Behavioral Addictions
Year2017
Month12
Volume Number6
Issue Number4
Pages554 - 563
ISSN2062-5871
eISSN2063-5303
LanguagesEnglish-United Kingdom
Keywordsonline social networking addiction, Internet addiction, insomnia, depression, mediation
Web of Science Subject CategoriesPsychiatry;Psychiatry

Last updated on 2020-06-07 at 01:28