Functions of Non-Suicidal Self-Injury in Late Adolescence: A Latent Class Analysis

Julia A.C. Case · Taylor A. Burke · Marilyn L. Piccirillo · Lauren B. Alloy · Thomas M. Olino

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Suicide and Self-Harm Studies Personality Disorders and Psychopathology Homicide, Infanticide, and Child Abuse

Abstract

This study employed latent class analysis utilizing an array of features of non-suicidal self-injury (NSSI) in order to identify distinct subgroups of self-injurers. Participants were 359 undergraduates with NSSI history. Indicator variables were lifetime and last year frequency rates, number of methods, scarring, pain during self-injury, and functions of NSSI. Analyses yielded mild/experimental NSSI, moderate NSSI, moderate multiple functions NSSI, and severe NSSI groups, endorsing low, moderate, moderate multiple functions, and high frequencies of self-injury and presence of functions, respectively. Following class assignment, groups differed on self-esteem, social support and belongingness, internalizing symptoms, suicidal ideation and behaviors, and additional NSSI constructs. These subtype analyses emphasize matching phenotypes of NSSI to specific interventions considering dimensions of clinical functioning.

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References

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