This paper is in the following e-collection/theme issue:

Mental Health Issues in Adolescence (513) Public (e)Health, Digital Epidemiology and Public Health Informatics (849) JMH Theme Issue: COVID-19 and Mental Health: Impact and Interventions (404) Problematic Internet Use, Online Gambling and Game Addiction (151) Loneliness and Social Isolation (121) Kids' and Adolescents' Use of Technology (119) Depression and Mood Disorders; Suicide Prevention (1502) Game Addiction and Other Unintended Consequences (34) Social Media in Adolescence (57)

Published on in Vol 8 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/66448, first published .
Changes in Internet Activities and Influencing Factors for Problematic Internet Use During the COVID-19 Pandemic in Korean Adolescents: Repeated Cross-Sectional Study

Changes in Internet Activities and Influencing Factors for Problematic Internet Use During the COVID-19 Pandemic in Korean Adolescents: Repeated Cross-Sectional Study

Changes in Internet Activities and Influencing Factors for Problematic Internet Use During the COVID-19 Pandemic in Korean Adolescents: Repeated Cross-Sectional Study

Authors of this article:

Sol I Kim1 Author Orcid Image ;   Jae-Chan Jin2 Author Orcid Image ;   Seo-Koo Yoo2 Author Orcid Image ;   Doug Hyun Han3 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Sol I Kim   1 , MD ;   Jae-Chan Jin   2 , PhD ;   Seo-Koo Yoo   2 , PhD ;   Doug Hyun Han   3 , PhD

1 Department of Psychiatry, Woori Children's Hospital, Seoul, Korea, Republic of

2 School of Social Welfare, Soongsil University, Seoul, Korea, Republic of

3 Department of Psychiatry, Chung Ang University Hospital, Seoul, Korea, Republic of

Corresponding Author:

  • Doug Hyun Han, PhD
  • Department of Psychiatry, Chung Ang University Hospital
  • 102 Heusok ro
  • Seoul, 06973
  • Korea, Republic of
  • Phone: 82 62993132
  • Fax: 82 62987265
  • Email: hduk70@gmail.com