Background: Problematic smartphone use (PSU) was associated with the increased risk of mental health problems in adolescents. Studies have identified several individual factors related to PSU in adolescents with ADHD; however, environmental factors related to PSU in adolescents with ADHD have not been examined. This cross-sectional questionnaire-survey study examined the associations of domestic violence, parenting styles, and peer bullying victimization with the severity of PSU in adolescents…
