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<p>Previous research has highlighted the prevalence of mobile phone addiction (MPA) among adolescents, yet limited studies have systematically examined the trajectory and influencing factors of MPA across both preadolescent and adolescent groups using longitudinal data. From the perspective of personality solidification theory, this study tracked 208 primary school students (98 boys, 110 girls, <i>M</i><sub><i>age</i></sub><i> at T1</i> = 9.252 years, <i>SD</i><i> at T1</i> = 0.442) and 246 junior high school students (139 boys, 107 girls, <i>M</i><sub><i>age</i></sub><i> at T1</i> = 12.376 years, <i>SD</i><i> at T1</i> = 0.556) over a three-year period, with data collected at three time points. Latent Growth Modeling (LGM) was employed to assess the impact of the Big Five personality traits and gender on MPA among preadolescents and adolescents. The findings indicated a linear growth trajectory of MPA in both groups, with notable differences between them. In the preadolescent group, the initial level of MPA in boys was higher than in girls. For the adolescent group, the Big Five Personality traits predicted MPA:(1) Neuroticism positively predicted the initial level of MPA; (2) Conscientiousness negatively predicted the initial level and positively predicted the growth rate of MPA; (3) Extraversion negatively predicted the developmental trajectory of MPA. Our results emphasize critical developmental differences and support personality solidification theory, with implications for age-tailored prevention strategie.</p>

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The Role of Gender and Big Five Personality in the Trajectory of Mobile Phone Addiction: A Longitudinal Study of Preadolescents and Adolescents

  • 期刊论文

  • 发表日期：

    2025年8月14日

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  • Lei Fu,
  • Xufan Xie,
  • Yanhui Xiang

摘要

Previous research has highlighted the prevalence of mobile phone addiction (MPA) among adolescents, yet limited studies have systematically examined the trajectory and influencing factors of MPA across both preadolescent and adolescent groups using longitudinal data. From the perspective of personality solidification theory, this study tracked 208 primary school students (98 boys, 110 girls, Mage at T1 = 9.252 years, SD at T1 = 0.442) and 246 junior high school students (139 boys, 107 girls, Mage at T1 = 12.376 years, SD at T1 = 0.556) over a three-year period, with data collected at three time points. Latent Growth Modeling (LGM) was employed to assess the impact of the Big Five personality traits and gender on MPA among preadolescents and adolescents. The findings indicated a linear growth trajectory of MPA in both groups, with notable differences between them. In the preadolescent group, the initial level of MPA in boys was higher than in girls. For the adolescent group, the Big Five Personality traits predicted MPA:(1) Neuroticism positively predicted the initial level of MPA; (2) Conscientiousness negatively predicted the initial level and positively predicted the growth rate of MPA; (3) Extraversion negatively predicted the developmental trajectory of MPA. Our results emphasize critical developmental differences and support personality solidification theory, with implications for age-tailored prevention strategie.