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Purpose <p>The prevalence of non-suicidal self-injury (NSSI) among college students is significant. A positive correlation between child maltreatment and NSSI has been demonstrated previously; however, the underlying mechanisms remain unclear. Based on the Nock’s integrated model of NSSI, this study examined the mediating role of parent–child attachment and the moderating role of negative co-rumination in this relationship.</p> Methods <p>A sample of 571 Chinese college students completed questionnaires addressing childhood maltreatment, parent–child attachment, negative co-rumination, and NSSI.</p> Results <p>The findings indicated that childhood maltreatment was positively associated with NSSI, with mother–child alienation serving as a mediator in this relationship. Furthermore, both negative co-rumination and negative co-rumination frequency moderated the association between childhood maltreatment and NSSI. However, only negative co-rumination frequency moderated the indirect effect of childhood maltreatment on NSSI through mother–child alienation.</p> Conclusions <p>This study establishes a moderated mediation model to elucidate the underlying mechanisms of NSSI and provides valuable insights for the prevention and intervention of negative effects of childhood maltreatment on non-suicidal self-injury behaviors among college students.</p>

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Childhood Maltreatment and Non-Suicidal Self-Injury Among Chinese College Students: Roles of Parent–Child Attachment and Negative co-Rumination

  • 期刊论文

  • 发表日期：

    2025年3月6日

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  • Xiuyi Zheng,
  • Zhenliang Liu,
  • Tiantian Liu,
  • Shoukuan Mu

摘要

Purpose

The prevalence of non-suicidal self-injury (NSSI) among college students is significant. A positive correlation between child maltreatment and NSSI has been demonstrated previously; however, the underlying mechanisms remain unclear. Based on the Nock’s integrated model of NSSI, this study examined the mediating role of parent–child attachment and the moderating role of negative co-rumination in this relationship.

Methods

A sample of 571 Chinese college students completed questionnaires addressing childhood maltreatment, parent–child attachment, negative co-rumination, and NSSI.

Results

The findings indicated that childhood maltreatment was positively associated with NSSI, with mother–child alienation serving as a mediator in this relationship. Furthermore, both negative co-rumination and negative co-rumination frequency moderated the association between childhood maltreatment and NSSI. However, only negative co-rumination frequency moderated the indirect effect of childhood maltreatment on NSSI through mother–child alienation.

Conclusions

This study establishes a moderated mediation model to elucidate the underlying mechanisms of NSSI and provides valuable insights for the prevention and intervention of negative effects of childhood maltreatment on non-suicidal self-injury behaviors among college students.