Negative life events and depression: a moderated mediation model of mobile phone addiction and chronotype among medical undergraduate students in North China - Takeaways - MDSpire
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Impact of Adverse Life Experiences on Depression: Exploring the Role of Mobile Phone Dependency and Chronotype in Medical Students from Northern China

  • By

  • Yuxin Chen

  • Qiwei Wang

  • Yuhua Zhu

  • Siyu Li

  • Yueyang Hu

  • Zhengran Liu

  • September 7, 2026

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  • 1

    The study examined the relationship between negative life events (NLEs) and depression among 1,616 medical students in northern China.

  • 2

    Significant associations were found between depression and NLE dimensions, including study pressure, relationship setbacks, and employment pressure.

  • 3

    Mobile phone addiction was identified as a significant mediator in the relationship between NLEs and depression.

  • 4

    Chronotype significantly moderated the indirect effect of mobile phone addiction on the NLE-depression relationship.

  • 5

    Morning-oriented chronotype may buffer depression, while evening-oriented chronotype may heighten depression among medical undergraduates.

Original Source(s)

Negative life events and depression: a moderated mediation model of mobile phone addiction and chronotype among medical undergraduate students in North China

  • by Yuxin Chen, Qiwei Wang, Yuhua Zhu, Siyu Li, Yueyang Hu, Zhengran Liu

  • September 7, 2026

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