Internet Addiction and Non-Suicidal Self-Injury in Adolescents with Major Depressive Disorder: The Sequential Mediating Roles of Insomnia and Depressive Symptoms
This study demonstrates that in adolescents with major depressive disorder, the link between internet addiction and non-suicidal self-injury is primarily mediated by a sequential pathway where addiction first exacerbates insomnia, which in turn worsens depressive symptoms, ultimately increasing self-injury risk.