Association between problematic smartphone use and gaming and disruptive behavioral disorder symptoms among Korean adolescents: a nationwide representative study - Takeaways - MDSpire

Association between problematic smartphone use and gaming and disruptive behavioral disorder symptoms among Korean adolescents: a nationwide representative study

  • By

  • Yoo Jeong Lee

  • In Cheol Hwang

  • Hong Yup Ahn

  • June 24, 2026

  • 0 min

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  • 1

    Problematic smartphone use (PSU) and problematic gaming (PG) are associated with higher prevalence of disruptive behavioral disorders (DBDs) in Korean adolescents.

  • 2

    PSU is linked to conduct disorder (CD) in urban areas, while PG shows a stronger association with ADHD-inattentive symptoms in rural areas.

  • 3

    The association between PSU and oppositional defiant disorder (ODD) is stronger among adolescents with highly educated mothers.

  • 4

    Fathers' drinking frequency moderates the link between PSU and conduct disorder, indicating parental factors influence these associations.

  • 5

    The study highlights distinct urban-rural and parental moderation patterns in the relationship between digital overuse and behavioral disorders.

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