Peer victimization and suicidal thoughts and behaviors in depressed adolescents
Open accessAbstract
Suicide is a leading cause of death among youth worldwide, and depressed adolescents are at a significantly elevated risk to report suicidal ideation, planning, and attempts. Peer victimization is a robust predictor of adolescent suicidal thoughts and behaviors (STBs), but little research has focused on why bullying leads to suicidal thoughts and behaviors. To address this empirical gap, we recruited 340 (246 female) depressed adolescents ages 13-19 (M = 15.59, SD = 1.41) within 48 h of admission for acute psychiatric treatment. At the initial assessment, participants were administered clinical interviews characterizing psychopathology, nonsuicidal self-injury, and STBs (ideation, plans, and attempts). Further, they completed questionnaires assessing 3 forms of victimization (overt, relational, and reputational), recent risky behavior engagement, and psychiatric symptom severity. Controlling for internalizing symptoms and age, overt and reputational bullying were associated with more frequent past month suicide attempts, but not suicide ideation. Past month risky behavior engagement, but not NSSI, mediated the relation between victimization and attempts. However, sex differences revealed that this effect only held for males whereas bullying was directly associated with suicide attempts among females. In contrast, overt and relational bullying were non-linearly associated with suicide plans, and these relations were not mediated by risky behaviors or NSSI. Results highlight the complex network of factors that lead victimized adolescents to engage in STBs and may inform targeted suicide prevention and intervention programs.
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When environmental exposures, especially acute stress, combine with neural diatheses, the likelihood of suicidal and non-suicidal behaviors may increase.
“Coupled with specific environmental exposures—particularly acute stress (e.g., peer victimization, interpersonal loss)—the likelihood of suicidal (21–23) and non-suicidal (24–26) behaviors may increase.”
From Neural correlates associated with suicide and nonsuicidal self-injury in youth (2021) · cites this paper as [22]
Adolescent interpersonal stress may initially compromise cortical regions involved in cognitive flexibility and future-oriented thinking, which over time may potentiate suicidal and non-suicidal thinking.
“Additionally, adolescent interpersonal stress (e.g., loss (21, 25), peer victimization (22, 24))—may initially act on cortical regions by compromising cognitive flexibility and future oriented thinking (124), which over time, may potentiate suicidal and non-suicidal thinking (125, 126).”
From Neural correlates associated with suicide and nonsuicidal self-injury in youth (2021) · cites this paper as [22]
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- Authors
- Stewart, J. G., Valeri, L., Esposito, E. C., & Auerbach, R. P.
- Affiliations
- Harvard University (US)
- Corresponding author
- Stewart, Jeremy G.
- Venue
- Journal of Abnormal Child Psychology
- Published
- 2017-04-25
- Volume
- 46
- Issue
- 3
- Pages
- 581-596
- ISSN
- 0091-0627 (ISSN-L)
- 1573-2835
- PMC
- PMC5656560
- OpenAlex
- W2608016431
- Cited by
- 60
- References
- 78
- Citations by year
- 2026: 4 · 2025: 4 · 2024: 6 · 2023: 14 · 2022: 4 · 2021: 9 · 2020: 8 · 2019: 8 · 2018: 3
- FWCI
- 6.44
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Research on Child and Adolescent Psychopathology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of Mental Health (K23MH097786)
- Klingenstein Third Generation Foundation
- Tommy Fuss Fund
- Rolfe Fund
- Simches Fund
- Kaplen Fellowship on Depression
- Livingston Fellowship
- Pope-Hintz Endowed Fellowship
- Topics
- Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
- Social Sciences › Psychology › Social Psychology › Bullying, Victimization, and Aggression
- Social Sciences › Health › Gun Ownership and Violence Research
- Keywords
- peer victimization, bullying, suicidal ideation, suicide attempts, suicide planning, adolescent depression, relational bullying, risk-taking, non-suicidal self-injury, sex differences, suicide prevention
- MeSH terms
- Adolescent, Adolescent Behavior, Adult, Depressive Disorder, Female, Humans, Male, Risk-Taking, Sex Factors, Suicide, Attempted, Crime Victims, Young Adult, Bullying, Suicidal Ideation
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