Near-Fatal Self-Harm Among Canadian Adolescents
Open accessAbstract
Objective: To evaluate the clinical features of Canadian adolescents admitted to the intensive care unit (ICU) for medically serious self-harm. Methods: 2700 Canadian paediatricians were surveyed monthly over two years (January 2017 to December 2018) through the Canadian Paediatric Surveillance Program to ascertain data from eligible cases. Results: Ninety-three cases (73 female; age 15.2 ± 1.5) met the case definition. Four provinces reported the majority of cases: Quebec (n = 27), Ontario (n = 26), Alberta (n = 21), and British Columbia (n = 8). There were 10 deaths, 9 by hanging. Overdose and hanging were the most frequently reported methods of self-harm (74.2% and 19.4%, respectively). Overdose was more common in females (80.8% females vs. 50% males; χ 2 = 7.8 (1), p = .005), whereas hanging was more common in males (35% males vs. 15.1% females, χ 2 = 3.9 (1), p = .04). More females than males had a past psychiatric diagnosis (79% vs. 58%; χ 2 = 4.1 (1), p = .06), a previous suicide attempt (55.9% vs. 29.4%, χ 2 = 3.8 (1), p = .05), and prior use of mental health service (69.7% vs. 27.8%, χ 2 = 10.4 (1), p = .001). Family conflict was the most commonly identified precipitating factor (43%) of self-harm. Conclusions: Among Canadian adolescents admitted to the ICU with medically serious self-harm, females demonstrate a higher rate of suicide attempts and prior mental health care engagement, whereas males are more likely to die by suicide. These findings are consistent with data from other adolescent samples, as well as data from working-age and older adults. Therefore, a sex-specific approach to suicide prevention is warranted as part of a national suicide prevention strategy; family conflict may be a specific target for suicide prevention interventions among adolescents.
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
Parent or family involvement may be an important modification because of the prominent role families have during this developmental stage and the apparent link between family functioning and adolescent SITB.
“For example, parent or family involvement may be an important modification44 because of the prominent role families have during this developmental stage and the apparent link between family functioning and adolescent SITB.52,53”
From Safety Planning Interventions for Suicide Prevention in Children and Adolescents (2025) · cites this paper as [52]
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Cites
Nock, M. K., Green, J. G., Hwang, I., McLaughlin, K. A., Sampson, N. A., Zaslavsky, A. M., & Kessler, R. C. (2013) · JAMA Psychiatry · doi:10.1001/2013.jamapsychiatry.55 · Cited by 1,666 · see citing works
Canetto, S. S., & Sakinofsky, I. (1998) · Suicide and Life-Threatening Behavior · doi:10.1111/j.1943-278x.1998.tb00622.x · Cited by 1,144 · see citing works
Mars, B., Heron, J., Klonsky, E. D., Moran, P., O'Connor, R. C., Tilling, K., Wilkinson, P., & Gunnell, D. (2019) · The Lancet Psychiatry · doi:10.1016/s2215-0366(19)30030-6 · Cited by 546 · see citing works
The gender paradox in suicidal behavior and its impact on the suicidal process
Schrijvers, D. L., Bollen, J., & Sabbe, B. G. C. (2012) · Journal of Affective Disorders · doi:10.1016/j.jad.2011.03.050 · Cited by 477 · see citing works
Marchant, A., Hawton, K., Stewart, A., Montgomery, P., Singaravelu, V., Lloyd, K., Purdy, N., Daine, K., & John, A. (2017) · PLoS ONE · doi:10.1371/journal.pone.0181722 · Cited by 464 · see citing works
Annual Research Review: A meta‐analytic review of worldwide suicide rates in adolescents
Glenn, C. R., Kleiman, E. M., Kellerman, J., Pollak, O., Cha, C. B., Esposito, E. C., Porter, A. C., Wyman, P. A., & Boatman, A. E. (2020) · Journal of Child Psychology and Psychiatry · doi:10.1111/jcpp.13106 · Cited by 391 · see citing works
Trends in Suicide Among Youth Aged 10 to 19 Years in the United States, 1975 to 2016
Ruch, D. A., Sheftall, A. H., Schlagbaum, P., Rausch, J., Campo, J. V., & Bridge, J. A. (2019) · JAMA Network Open · doi:10.1001/jamanetworkopen.2019.3886 · Cited by 303 · see citing works
DeVille, D. C., Whalen, D., Breslin, F. J., Morris, A. S., Khalsa, S. S., Paulus, M. P., & Barch, D. M. (2020) · JAMA Network Open · doi:10.1001/jamanetworkopen.2019.20956 · Cited by 270 · see citing works
Cognitive-behavioral family treatment for suicide attempt prevention: A randomized controlled trial
Asarnow, J. R., Hughes, J. L., Babeva, K. N., & Sugar, C. A. (2017) · Journal of the American Academy of Child & Adolescent Psychiatry · doi:10.1016/j.jaac.2017.03.015 · Cited by 234 · see citing works
Hawton, K., & Harriss, L. (2007) · The Journal of Clinical Psychiatry · doi:10.4088/jcp.v68n1017 · Cited by 226 · see citing works
Diamond, G. S., Kobak, R. R., Krauthamer Ewing, E. S., Levy, S. A., Herres, J. L., Russon, J. M., & Gallop, R. J. (2019) · Journal of the American Academy of Child & Adolescent Psychiatry · doi:10.1016/j.jaac.2018.10.006 · Cited by 147 · see citing works
The effectiveness of structural interventions at suicide hotspots: a meta-analysis
Pirkis, J., Spittal, M. J., Cox, G., Robinson, J., Cheung, Y. T. D., & Studdert, D. (2013) · International Journal of Epidemiology · doi:10.1093/ije/dyt021 · Cited by 114 · see citing works
Motivations for suicide: converging evidence from clinical and community samples
May, A. M., Pachkowski, M. C., & Klonsky, E. D. (2020) · Journal of Psychiatric Research · doi:10.1016/j.jpsychires.2020.02.010 · Cited by 44 · see citing works
Flagged first, then by citations
Research works printed but not linked: 52
- [2]Varin M Orpana HM Palladino E Pollock NJ Baker MM. Trends in suicide mortality in Canada by Sex and Age group, 1981 to 2017: a population-based time series analysis: tendances de la mortalité par suicide au Canada selon le sexe et le groupe d’âge, 1981‐2017: une analyse de séries chronologiques dans la population. Can J Psychiatry. 2021 Feb;66(2):170–178. PMC7917569 32662296
- [3]Curtin S Hedegaard H Minino A Warner M Simon T. Quickstats: suicide rates for teens aged 15–19 years, by Sex - United States, 1975–2015. MMWR Morb Mortal Wkly Rep. 2017 Aug4;66(30):816. PMC5720877 28771461
- [4]Hedegaard H Curtin SC Warner M. Suicide rates in the United States continue to increase. NCHS Data Brief. 2018(309): 1– 8. 30312151
- [6]Fazel S Runeson B. Suicide. N Engl J Med. 2020; 382(3): 266– 274. 31940700 PMC7116087
- [8]Skinner R McFaull S Draca J, et al. Suicide and self-inflicted injury hospitalizations in Canada (1979 to 2014/15). Health Promot Chronic Dis Prev Can. 2016; 36(11): 243– 251. 27882859 PMC5432047
- [10]Hawton K Saunders KE O’Connor RC. Self-harm and suicide in adolescents. Lancet. 2012; 379(9834): 2373– 2382. 22726518
- [13]Kann L McManus T Harris WA, et al. Youth risk behavior surveillance - United States, 2017. MMWR Surveill Summ. 2018; 67(8): 1– 114. PMC6002027 29902162
- [14]Cheung AH Dewa CS. Canadian Community health survey: major depressive disorder and suicidality in adolescents. Healthc Policy. 2006; 2(2): 76– 89. 19305706 PMC2585433
- [15]Findlay L. Depression and suicidal ideation among Canadians aged 15 to 24. Health Rep. 2017; 28(1): 3– 11. 28098916
- [16]Langille DB Asbridge M Kisely S Rasic D. Suicidal behaviours in adolescents in Nova scotia, Canada: protective associations with measures of social capital. Soc Psychiatry Psychiatr Epidemiol. 2012; 47(10): 1549– 1555. 22200838
- [19]May A Klonsky E. What distinguishes suicide attempters from suicide ideators? A meta-analysis of potential factors. Clinical Psychology: Science and Practice. 2016; 23(1): 5– 20.
- [20]Korczak DJ Skinner R Dopko R. Serious self-harm requiring intensive care unit admission: understanding near-fatal suicide attempts. Paediatr Child Health. 2019; 24(1): 58– 59. 30792600 PMC6376344
- [21]Beautrais AL. Suicides and serious suicide attempts: two populations or one? Psychol Med. 2001; 31(5): 837– 845. 11459381
- [22]Beautrais AL. Suicide and serious suicide attempts in youth: a multiple-group comparison study. Am J Psychiatry. 2003; 160(6): 1093– 1099. 12777267
- [23]Zhang J Sun L Conwell Y, et al. Suicides and medically serious attempters are of the same population in Chinese rural young adults. J Affect Disord. 2015; 176: 176– 182. 25723561 PMC4359633
- [24]Trakhtenbrot R Gvion Y Levi-Belz Y, et al. Predictive value of psychological characteristics and suicide history on medical lethality of suicide attempts: a follow-up study of hospitalized patients. J Affect Disord. 2016; 199: 73– 80. 27085659
- [25]Skinner R McFaull S. Suicide among children and adolescents in Canada: trends and sex differences, 1980–2008. CMAJ. 2012; 184(9): 1029– 1034. 22470172 PMC3381767
- [26]Rhodes AE Sinyor M Boyle MH, et al. and others. Emergency department presentations and youth suicide: a case-control study. Can J Psychiatry. 2019; 64(2): 88– 97. 30282479 PMC6405805
- [27]Goodday SM Bondy S Sutradhar R Brown HK Rhodes A. The cumulative incidence of self-reported suicide-related thoughts and attempts in young Canadians. Can J Psychiatry. 2019; 64(2): 107– 115. 29976094 PMC6405801
- [28]Stewart SL Baiden P Theall-Honey L. Examining non-suicidal self-injury among adolescents with mental health needs, in Ontario, Canada. Arch Suicide Res. 2014; 18(4): 392– 409. 24712902
- [29]Guerra G Garcia Joffe AR Cave D, et al. and others. Survey of sedation and analgesia practice Among Canadian pediatric critical care physicians. Pediatr Crit Care Med. 2016; 17(9): 823– 830. 27467012
- [30]Rhodes A. Youth suicide in Canada: distinctions among boys and girls. Healthc Q. 2013; 16(3): 11– 13. 24034770
- [31]Rhodes AE Boyle MH Bridge JA, et al. and others. Antecedents and sex/gender differences in youth suicidal behavior. World J Psychiatry. 2014; 4(4): 120– 132. 25540727 PMC4274584
- [32]Moore F Taylor S Beaumont J Gibson R Starkey C. The gender suicide paradox under gender role reversal during industrialisation. PLoS One. 2018; 13(8): e0202487. 30138465 PMC6107173
- [34]Lewinsohn PM Rohde P Seeley JR Baldwin CL. Gender differences in suicide attempts from adolescence to young adulthood. J Am Acad Child Adolesc Psychiatry. 2001; 40(4): 427– 434. 11314568
- [36]McLoughlin AB Gould MS Malone KM. Global trends in teenage suicide: 2003–2014. QJM. 2015; 108(10): 765– 780. 25638789
- [37]Rhodes AE Khan S Boyle MH, et al. Sex differences in suicides among children and youth: the potential impact of help-seeking behaviour. Can J Psychiatry. 2013; 58(5): 274– 282. 23756287
- [39]Diamond GS Wintersteen MB Brown GK, et al. Attachment-based family therapy for adolescents with suicidal ideation: a randomized controlled trial. J Am Acad Child Adolesc Psychiatry. 2010; 49(2): 122– 131. 20215934
- [40]McCauley E Berk MS Asarnow JR, et al. and others. Efficacy of dialectical behavior therapy for adolescents at high risk for suicide: a randomized clinical trial. JAMA Psychiatry. 2018; 75(8): 777– 785. 29926087 PMC6584278
- [41]Pineda J Dadds MR. Family intervention for adolescents with suicidal behavior: a randomized controlled trial and mediation analysis. J Am Acad Child Adolesc Psychiatry. 2013; 52(8): 851– 862. 23880495
- [42]Cottrell DJ Wright-Hughes A Collinson M, et al. and others. A pragmatic randomised controlled trial and economic evaluation of family therapy versus treatment as usual for young people seen after second or subsequent episodes of self-harm: the self-harm intervention - family therapy (SHIFT) trial. Health Technol Assess. 2018; 22(12): 1– 222. PMC5867393 29532784
- [45]Rhodes AE Bethell J Carlisle C Rosychuk RJ Lu H Newton A. Time trends in suicide-related behaviours in girls and boys. Can J Psychiatry. 2014; 59(3): 152– 159. 24881164 PMC4079127
- [46]Brent DA Baugher M Bridge J Chen T Chiappetta L. Age- and sex-related risk factors for adolescent suicide. J Am Acad Child Adolesc Psychiatry. 1999; 38(12): 1497– 1505. 10596249
- [47]Pfeffer CR Normandin L Kakuma T. Suicidal children grow up: relations between family psychopathology and adolescents’ lifetime suicidal behavior. J Nerv Ment Dis. 1998; 186(5): 269– 275. 9612443
- [48]Korczak D. Identifying depression in childhood: symptoms, signs and significance. Paediatr Child Health. 2012; 17(10): 572. 24294067 PMC3549697
- [49]Roche AM Giner L Zalsman G. Suicide in early childhood: a brief review. Int J Adolesc Med Health. 2005; 17(3): 221– 224. 16231473
- [51]Pelkonen M Marttunen M. Child and adolescent suicide: epidemiology, risk factors, and approaches to prevention. Paediatr Drugs. 2003; 5(4): 243– 265. 12662120
- [52]Lee S Dwyer J Paul E Clarke D Treleaven S Roseby R. Differences by age and sex in adolescent suicide. Aust N Z J Public Health. 2019 Jun;43(3):248–253. 30786107
- [53]Liu L Capaldi CA Orpana HM Kaplan MS Tonmyr L. Changes over time in means of suicide in Canada: an analysis of mortality data from 1981 to 2018. CMAJ. 2021; 193(10): E331– E338. 33685950 PMC8034317
- [54]Simounet C Bourgeois M. [Suicides and attempted suicides by hanging]. Ann Med Psychol (Paris). 1992; 150(7): 481– 485. 1343195
- [55]Kosky RJ Dundas P. Death by hanging: implications for prevention of an important method of youth suicide. Aust N Z J Psychiatry. 2000; 34(5): 836– 841. 11037371
- [56]Gunnell D Bennewith O Hawton K Simkin S Kapur N. The epidemiology and prevention of suicide by hanging: a systematic review. Int J Epidemiol. 2005; 34(2): 433– 442. 15659471
- [58]Sinyor M Schaffer A Heisel MJ, et al. Media guidelines for reporting on suicide: 2017 update of the Canadian psychiatric association policy paper. Can J Psychiatry. 2018; 63(3): 182– 196. 29513631 PMC5846968
- [60]Niederkrotenthaler T Stack S Till B, et al. Association of increased youth suicides in the United States With the release of 13 reasons Why. JAMA Psychiatry. 2019 Sep;76(9):933–940. PMC6547137 31141094
- [61]Bethell J Bondy SJ Lou WY Guttmann A Rhodes AE. Emergency department presentations for self-harm among Ontario youth. Can J Public Health. 2013; 104(2): e124– e130. 23618204 PMC6974110
- [63]Pawer S Rajabali F Zheng A Smith J Purssell R Pike I. Analyses of child and youth self-poisoning hospitalizations by substance and socioeconomic Status. Int J Environ Res Public Health. 2021 Jun 30;18(13):7003. PMC8297021 34208955
- [64]Chafe R Aslanova R Hamud O Gregory P Newhook LA. Hospitalizations due to self-poisoning at a Canadian paediatric hospital. Paediatr Child Health. 2018; 23(2): 101– 105. 29686493 PMC5905369
- [65]Finkelstein Y Macdonald EM Hollands S, et al. Risk of suicide following deliberate self-poisoning. JAMA Psychiatry. 2015; 72(6): 570– 575. 25830811
- [66]Zalsman G Hawton K Wasserman D, et al. and others. Suicide prevention strategies revisited: 10-year systematic review. The Lancet Psychiatry. 2016; 3(7): 646– 659. 27289303
- [68]Hawton K Bergen H Simkin S, et al. Long term effect of reduced pack sizes of paracetamol on poisoning deaths and liver transplant activity in england and wales: interrupted time series analyses. BMJ: British Medical Journal. 2013; 346: f403. 23393081 PMC3567205
- [70]Virupaksha HG Muralidhar D Ramakrishna J. Suicide and suicidal behavior among transgender persons. Indian J Psychol Med. 2016; 38(6): 505– 509. 28031583 PMC5178031
- [71]Marshall E Claes L Bouman WP Witcomb GL Arcelus J. Non-suicidal self-injury and suicidality in trans people: a systematic review of the literature. Int Rev Psychiatry. 2016; 28(1): 58– 69. 26329283
Cited by
Sorted by citations
Safety Planning Interventions for Suicide Prevention in Children and Adolescents
Albaum, C., Irwin, S. H., Muha, J., Schumacher, A., Clarissa, S., Finkelstein, Y., Bridge, J. A., & Korczak, D. J. (2025) · JAMA Pediatrics · doi:10.1001/jamapediatrics.2025.1012 · Cited by 28 · see citing works
Self-citationKourgiantakis, T., Cooper, D., Cooper, D., Craig, S., Lee, E., Jones, J., Lau, C. K. Y., Tousignant, R.-N., Singer, J. B., Johnstone, M., et al. (2025) · International Journal of Mental Health Systems · doi:10.1186/s13033-025-00680-y · Cited by 7 · see citing works
- Authors
- Mitchell, R. H., Ani, C., Cyr, C., Irvine, J., Joffe, A. R., Skinner, R., Wong, S., Stang, A. S., Laffin, M., & Korczak, D. J.
- Affiliations
- Sunnybrook Health Science Centre (CA)
- Hammersmith Hospital (GB)
- Université de Sherbrooke (CA)
- University of Saskatchewan (CA)
- University of Alberta (CA)
- Public Health Agency of Canada (CA)
- University of Calgary (CA)
- Canadian Paediatric Surveillance Program, Ottawa, ON, Canada
- Hospital for Sick Children (CA)
- Corresponding author
- Korczak, Daphne J
- ORCID
- Venue
- The Canadian Journal of Psychiatry
- Publisher
- SAGE Publications
- Published
- 2021-11-30
- Volume
- 67
- Issue
- 8
- Pages
- 598-607
- ISSN
- 0706-7437 (ISSN-L)
- 1497-0015
- PMC
- PMC9301146
- OpenAlex
- W3217212829
- Cited by
- 12
- References
- 13
- Citations by year
- 2026: 2 · 2025: 6 · 2023: 4
- FWCI
- 0.68
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- The Canadian Journal of Psychiatry (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- Funders
- Public Health Agency of Canada
- Canadian Pediatric Society
- Topics
- Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
- Social Sciences › Sociology and Political Science › Homicide, Infanticide, and Child Abuse
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Injury Epidemiology and Prevention
- Keywords
- adolescent self-harm, suicide attempts, intensive care unit admission, hanging, drug overdose, sex differences, family conflict, suicide prevention, psychiatric comorbidity, Canadian adolescents
- MeSH terms
- Adolescent, Aged, Alberta, Mental Disorders, Child, Female, Humans, Male, Mental Health Services, Suicide, Attempted, Self-Injurious Behavior, Drug Overdose
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review