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Problematic Internet and Smartphone Use as a Public Health Concern

Special Issue Editor


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Guest Editor
Center for Gambling Studies, School of Social Work, Rutgers University, New Brunswick, NJ, USA
Interests: problematic technology use; behavioral addiction; gaming disorder; internet addiction; problematic smartphone use; the nexus of video gaming and gambling

Special Issue Information

Dear Colleagues,

Access to the Internet has become essential for everyday activities such as education, work, socialization, and entertainment. The rise of high-speed mobile networks has significantly enhanced Internet accessibility through smartphones. However, this widespread integration of digital technologies into daily life has sparked considerable public health concerns. As usage patterns evolve, reports of problematic Internet and smartphone behaviors have surged, encompassing issues like addictive behaviors, as well as adverse effects on physical and psychosocial well-being. The COVID-19 pandemic has exacerbated these challenges, as many individuals have increasingly relied on digital devices for both professional and personal connections.

This Special Issue seeks to delve into the complex dimensions of problematic Internet and smartphone use, highlighting its implications for individual and societal health. We welcome contributions that investigate psychological, social, and behavioral facets of excessive and addictive digital engagement, along with innovative intervention strategies and policy considerations. By fostering a comprehensive understanding of this pressing issue, we aim to inform public health initiatives and guide future research. We encourage authors to utilize diverse methodologies and perspectives, enriching the discourse around this critical contemporary challenge.

Dr. Wen Li Anthony
Guest Editor

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Keywords

  • problematic internet use
  • problematic smartphone use
  • problematic social media use
  • internet addiction
  • smartphone addiction
  • digital well-being
  • problematic technology use
  • public health

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Published Papers (2 papers)

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Research

41 pages, 2439 KB  
Article
Adolescent Smartphone Overdependence in South Korea: A Place-Stratified Evaluation of Conceptually Informed AI/ML Modeling
by Andrew H. Kim, Uibin Lee, Yohan Cho, Sangmi Kim and Vatsal Shah
Int. J. Environ. Res. Public Health 2025, 22(10), 1515; https://doi.org/10.3390/ijerph22101515 - 2 Oct 2025
Viewed by 2522
Abstract
Smartphone overdependence among South Korean adolescents, affecting nearly 40%, poses a growing public health concern, with usage patterns varying by regional context. Leveraging conceptually informed AI/ML models, this study (1) develops a high-performing low-risk screening tool to monitor disease burden, (2) leverages AI/ML [...] Read more.
Smartphone overdependence among South Korean adolescents, affecting nearly 40%, poses a growing public health concern, with usage patterns varying by regional context. Leveraging conceptually informed AI/ML models, this study (1) develops a high-performing low-risk screening tool to monitor disease burden, (2) leverages AI/ML to explore psychologically meaningful constructs, and (3) provides place-based policy implication profiles to inform public health policy. This study uses data from 1873 adolescents in the 2023 Smartphone Overdependence Survey by the National Information Society Agency (NISA) in South Korea. Across the sample, the adolescents were about 14 years old (SD = 2.4) and equally distributed by sex (48.1% male). We then conceptually selected 131 features across two domains and 10 identified constructs. A nested modeling approach identified a low-risk screening tool using 59 features that achieved strong predictive accuracy (AUC = 81.5%), with Smartphone Use Case features contributing approximately 20% to performance. Construct-specific models confirmed the importance of Smartphone Use Cases, Perceived Digital Competence and Risk, and Consequences and Dependence (AUC range: 80.6–89.1%) and uncovered cognitive patterns warranting further study. Place-stratified analysis revealed substantial regional variation in model performance (AUC range: 71.4–91.1%) and distinct local feature importance. Overall, this study demonstrated the value of integrating conceptual frameworks with AI/ML to detect adolescent smartphone overdependence, offering novel approaches to monitoring disease burden, advancing construct-level insights, and providing targeted place-based public health policy recommendations within the South Korean context. Full article
(This article belongs to the Special Issue Problematic Internet and Smartphone Use as a Public Health Concern)
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12 pages, 425 KB  
Article
Parenting Style and Child Internet Addiction in China: Mediation Effect of Parental Active Meditation
by Shu-Wen Liu, Sheng Chen, Chienchung Huang and Julia Vallario
Int. J. Environ. Res. Public Health 2025, 22(4), 461; https://doi.org/10.3390/ijerph22040461 - 21 Mar 2025
Cited by 3 | Viewed by 4662
Abstract
With the rapid advancement of technology, internet addiction among children has become a growing concern, particularly in China. This study examines the impact of different parenting styles on internet addiction and the role of parental mediation on the relationship among Chinese children. A [...] Read more.
With the rapid advancement of technology, internet addiction among children has become a growing concern, particularly in China. This study examines the impact of different parenting styles on internet addiction and the role of parental mediation on the relationship among Chinese children. A survey of 600 Chinese families with children aged 6 to 17 was conducted in 2024. Using structural equation modeling (SEM), the results reveal that authoritative parenting is linked to lower levels of internet addiction, while authoritarian and permissive parenting are associated with higher levels. Parental mediation partly mediates this relationship, with authoritative parents who are actively involved with their children’s internet activities showing a reduced risk of addiction. The findings highlight that both parenting style and parental intervention are key factors in addressing internet addiction among Chinese children. Encouraging authoritative parenting alongside active mediation may help children mitigate internet addiction. Full article
(This article belongs to the Special Issue Problematic Internet and Smartphone Use as a Public Health Concern)
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