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  • Title: Non-Suicidal self-injury and suicide in depressed Adolescents: Impact of peer victimization and bullying.
    Author: Vergara GA, Stewart JG, Cosby EA, Lincoln SH, Auerbach RP.
    Journal: J Affect Disord; 2019 Feb 15; 245():744-749. PubMed ID: 30448758.
    Abstract:
    BACKGROUND: While prior research has demonstrated that peer victimization and bully perpetration contribute to non-suicidal self-injury (NSSI) and suicidal thoughts and behaviors (STBs), it remains unclear whether these interpersonal processes differentiate self-injuring adolescent suicide ideators and attempters. METHODS: The study included adolescents aged 13-18 years (n = 223; M = 15.31, SD = 1.34) recruited from an acute inpatient program. Participants were divided into two groups: (1) NSSISI (n = 106): endorsed past year NSSI, current suicide ideation, and no lifetime suicide attempts and (2) NSSISI+SA (n = 117): endorsed past year NSSI, current suicide ideation, and lifetime suicide attempts. Adolescents completed clinical interviews (i.e., mental disorders, NSSI, and STBs) and self-report measures assessing peer victimization, bully perpetration, and depression severity. RESULTS: NSSISI+SA youth reported higher levels of peer victimization and bully perpetration than NSSISI youth (ps < 0.01, ds = 0.36-0.37). Among the NSSISI+SA youth, bully perpetration was associated with a greater number of past month suicide attempts (p = 0.02, RR = 1.07). Only peer victimization was associated with greater NSSI behaviors in the past month (p = 0.04, RR = 1.01). LIMITATIONS: The study is cross-sectional, and reports of peer victimization and bully perpetration rely on self-report assessment. CONCLUSIONS: Peer victimization and bully perpetration differentiated adolescent suicide ideators and attempters, highlighting the need to address bully perpetration in addition to peer victimization in suicide interventions and research.
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