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Habitual self-mutilation in Japan.

Toshihiko Matsumoto1, Takaharu Azekawa, Akiko Yamaguchi

  • 1Department of Psychiatry, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan. toshi-lancia@nifty.com

Psychiatry and Clinical Neurosciences
|March 11, 2004
PubMed
Summary

Habitual self-mutilation in Japanese women is linked to higher rates of depression, bulimia, and dissociation. These findings suggest a connection between self-harm and histories of sexual and physical abuse.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Trauma Studies

Background:

  • Habitual self-mutilation is a complex behavior with potential links to various psychological conditions.
  • Understanding these associations is crucial for effective treatment in diverse populations.

Purpose of the Study:

  • To investigate the relationship between habitual self-mutilation, bulimic behaviors, dissociative phenomena, and histories of sexual/physical abuse.
  • To compare these factors in Japanese female outpatients with habitual self-mutilation against control groups.

Main Methods:

  • A case-control study involving 34 female outpatients with habitual self-mutilation and two control groups (31 general psychiatric outpatients, 26 non-clinical volunteers).
  • Assessment using the Beck Depression Inventory-II, Bulimia Investigatory Test of Edinburgh, Adolescent Dissociative Experience Scale, and a self-reporting questionnaire on problematic behaviors and abuse histories.

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Main Results:

  • The self-mutilation group exhibited significantly higher scores for depression, bulimia, and dissociation compared to both control groups.
  • This group also reported more frequent histories of illicit drug use, shoplifting, suicide attempts, overdosing, sexual abuse, and childhood physical abuse.

Conclusions:

  • Habitual self-mutilation frequently co-occurs with depression, bulimia, and dissociation, aligning with findings from Western studies.
  • Evidence supports a significant association between habitual self-mutilation and histories of sexual and childhood physical abuse in the Japanese population.