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The association between smartphone addiction and self-esteem among physical education undergraduate students: The chain-mediating roles of professional identity and meaning in life

Author

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  • Pu Sun
  • Mingyue Cui
  • Xi Chen
  • Ling Yan

Abstract

This study investigated the associations between smartphone addiction and self-esteem among undergraduate Physical Education students, focusing on the mediating roles of professional identity and meaning in life. A total of 695 undergraduate students majoring in Physical Education were recruited through a convenience sampling method from a sports university in Beijing. Participants completed the Smartphone Addiction Scale, the Professional Identity Scale for Pre-service Teachers, the Meaning in Life Questionnaire, and the Rosenberg Self-Esteem Scale. Structural equation modelling (SEM) was conducted in Mplus 8.3 to test multiple and chain mediation effects. Model fit indices indicated an acceptable fit (χ²/df = 4.43, CFI = 0.96, TLI = 0.93, RMSEA = 0.08). The results showed that smartphone addiction was significantly and negatively associated with professional identity (β = –0.42, 95% CI [–0.51, –0.32], p

Suggested Citation

  • Pu Sun & Mingyue Cui & Xi Chen & Ling Yan, 2026. "The association between smartphone addiction and self-esteem among physical education undergraduate students: The chain-mediating roles of professional identity and meaning in life," PLOS ONE, Public Library of Science, vol. 21(1), pages 1-17, January.
    • Handle: RePEc:plo:pone00:0337908
    DOI: 10.1371/journal.pone.0337908
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