Bullying victimization and depressive symptoms among left-behind children: a moderated mediation model involving Internet Addiction - Report - MDSpire

Bullying victimization and depressive symptoms among left-behind children: a moderated mediation model involving Internet Addiction

  • By

  • Qi Li

  • Gexuan Wang

  • Jiannan Zheng

  • Ruifeng Liu

  • June 12, 2026

  • 0 min

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The Impact of Bullying Victimization on Depressive Symptoms in Left-Behind Children

Overview

This study investigates the relationship between bullying victimization and depressive symptoms in left-behind children, highlighting the mediating role of internet addiction and the moderating effect of physical activity. The findings indicate that bullying victimization significantly predicts depressive symptoms, with internet addiction serving as a partial mediator.

Background

Depressive symptoms are prevalent among adolescents, particularly in vulnerable populations such as left-behind children in China, who face unique stressors due to parental migration. This group is at an increased risk for mental health issues, including depression, which can lead to severe psychosocial impairments. Understanding the factors that contribute to depressive symptoms in this population is crucial for developing effective interventions.

Data Highlights

VariableCoefficient (B)p-value
Bullying Victimization → Depressive Symptoms1.179< 0.001
Bullying Victimization → Internet Addiction1.041< 0.001
Internet Addiction → Depressive Symptoms1.218< 0.001

Key Findings

  • Bullying victimization significantly predicts depressive symptoms in left-behind children.
  • Internet addiction partially mediates the relationship between bullying victimization and depressive symptoms.
  • Physical activity moderates the association between bullying victimization and internet addiction.
  • The prevalence of depressive symptoms among left-behind children is notably higher than their non-left-behind peers.
  • Healthy social relationships can mitigate negative emotions in adolescents.

Clinical Implications

Healthcare professionals should routinely assess for experiences of bullying and internet addiction in left-behind children when evaluating depressive symptoms. Interventions that promote physical activity may help buffer the negative effects of bullying on mental health.

Conclusion

The study underscores the importance of addressing bullying victimization and internet addiction in the mental health care of left-behind children, highlighting the potential role of physical activity as a protective factor.

Related Resources & Content

  1. BMC Psychiatry, 2025 -- The effect of bullying victimization trajectory on internet gaming disorder and the mediating role of impaired resilience
  2. Frontiers in Psychiatry, 2026 -- Associative pathways of school bullying with adolescent internet addiction and the moderating role of emotional resilience
  3. Frontiers in Psychiatry, 2026 -- Aggression and emotional distress in adolescents: a cross-sectional chain mediation model of internet addiction and somatization
  4. Global prevalence and psychological impact of bullying among children and adolescents: a meta-analysis, ScienceDirect, 2025
  5. Recommendations | Depression in children and young people: identification and management | Guidance | NICE, 2024
  6. Journal of Medical Internet Research (JMIR) — Adaptation and Validation of the Social Media Cyberbullying Victimization Scale Among Chinese College Students: Cross-Sectional Study
  7. Global prevalence and psychological impact of bullying among children and adolescents: a meta-analysis - ScienceDirect
  8. Recommendations | Depression in children and young people: identification and management | Guidance | NICE
  9. Peer Victimization and Problematic Internet Use Among Adolescents: A Three-Level Meta-Analytic Review - PubMed

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