The Relationship Between Nonsuicidal Self-Injury Age of Onset and Severity of Self-Harm

Brooke A. Ammerman, Ross Jacobucci, Evan M. Kleiman, Lauren L. Uyeji, Michael S. McCloskey

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

This study examined how age of nonsuicidal self-injury (NSSI) onset relates to NSSI severity and suicidality using decision tree analyses (nonparametric regression models that recursively partition predictor variables to create groupings). Those with an earlier age of NSSI onset reported greater NSSI frequency, NSSI methods, and NSSI-related hospital visits. No significant splits were found for suicide ideation or attempts, although those with an earlier onset were more likely to have a suicide plan. Overall, findings suggest that onset of NSSI before age 12 is associated with more severe NSSI and may be a crucial age for prevention efforts.

Original languageEnglish (US)
Pages (from-to)31-37
Number of pages7
JournalSuicide and Life-Threatening Behavior
Volume48
Issue number1
DOIs
StatePublished - Feb 1 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Clinical Psychology
  • Public Health, Environmental and Occupational Health
  • Psychiatry and Mental health

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