Ziyan Zhou1, Haiyun Peng2, Menghao Ren1,3, Sufei Xin4,*, Daoqun Ding1,5,*
International Journal of Mental Health Promotion, Vol.28, No.7, 2026, DOI:10.32604/ijmhp.2026.079929
- 30 July 2026
Abstract Background: Internet addiction and depression are important mental health concerns among adolescents. Although prior research has examined their bidirectional relationship, the underlying mechanisms remain unclear. Drawing on conservation of resources theory, this study examined their bidirectional relationship and tested the mediating role of self-control, with attention to gender differences. Methods: A two-wave longitudinal survey (T1: November 2021; T2: May 2022) was conducted in China among 1908 adolescents (1026 females, 882 males; mean age = 13.546, SD = 1.463). At both waves, participants completed self-report measures of internet addiction, self-control, and depression (using the Internet Addiction Scale,… More >