Allison S, Allison S, Roeger L, Martin G, Keeves J. Gender differences in the relationship between depression and suicidal ideation in young adolescents. Aust N Z J Psychiatry. 2001;35(4):498–503.
Bethell J, Bondy SJ, Lou WW, Guttmann A, Rhodes AE. Emergency department presentations for self-harm among Ontario youth. Can J Public Health. 2013;104(2):e124–30.
Burstein B, Agostino H, Greenfield B. Suicidal attempts and ideation among children and adolescents in US emergency departments, 2007–2015. JAMA Pediatr. 2019;173(6):598–600.
Campeau A, Champagne AS, McFaull SR. Sentinel surveillance of substance-related self-harm in Canadian emergency departments, 2011–19. BMC Public Health. 2022;22(1):1–12.
Canner J, Giuliano K, Selvarajah S, Hammond E, Schneider E. Emergency department visits for attempted suicide and self harm in the USA: 2006–2013. Epidemiol Psychiatric Sci. 2018;27(1):94–102.
Canadian Institute for Health Information. COVID-19 Intervention Timeline in Canada. 2022. Ottawa, Canada. https://www.cihi.ca/en/covid-19-intervention-timeline-in-canada
Canadian Institute for Health Information. Unintended consequences of COVID-19: Impact on harms caused by substance use, self-harm and accidental falls. 2021. Ottawa, Canada. https://www.cihi.ca/en/covid-19-resources/impact-of-covid-19-on-canadas-health-care-systems/unintended-consequences
Chadi N, Ryan NC, Geoffroy MC. COVID-19 and the impacts on youth mental health: emerging evidence from longitudinal studies. Can J Public Health. 2022;113(1):44–52.
Clements C, Turnbull P, Hawton K, Geulayov G, Waters K, Ness J, Townsend E, et al. Rates of self-harm presenting to general hospitals: a comparison of data from the Multicentre Study of Self-Harm in England and Hospital Episode Statistics. BMJ Open. 2016;6(2):e009749.
Crain J, McFaull S, Thompson W, Skinner R, Do M, Fréchette M, Mukhi S. The Canadian Hospitals Injury Reporting and Prevention Program: a dynamic and innovative injury surveillance system. Health Promot Chronic Dis Prevent Can Res Policy Pract. 2016;36(6):112.
Desson Z, Weller E, McMeekin P, Ammi M. An analysis of the policy responses to the COVID-19 pandemic in France, Belgium, and Canada. Health Policy Technol. 2020;9(4):430–46.
Gardner W, Pajer K, Cloutier P, Zemek R, Currie L, Hatcher S, Colman I, et al. Changing rates of self-harm and mental disorders by sex in youths presenting to Ontario emergency departments: repeated cross-sectional study. Can J Psychiatry. 2019;64(11):789–97.
Gillies D, Christou MA, Dixon AC, Featherston OJ, Rapti I, Garcia-Anguita A, Villasis-Keever M, et al. Prevalence and characteristics of self-harm in adolescents: meta-analyses of community-based studies 1990–2015. J Am Acad Child Adolesc Psychiatry. 2018;57(10):733–41.
Government of Canada. COVID-19 daily epidemiology update. 2021. Ottawa, Canada. https://health-infobase.canada.ca/covid-19/epidemiological-summary-covid-19-cases.html
Griffin E, McMahon E, McNicholas F, Corcoran P, Perry IJ, Arensman E. Increasing rates of self-harm among children, adolescents and young adults: a 10-year national registry study 2007–2016. Soc Psychiatry Psychiatr Epidemiol. 2018;53(7):663–71.
Hawton K, Bergen H, Waters K, Ness J, Cooper J, Steeg S, Kapur N. Epidemiology and nature of self-harm in children and adolescents: findings from the multicentre study of self-harm in England. Eur Child Adolesc Psychiatry. 2012;21(7):369–77.
Hawton K, Casey D, Bale E, Brand F, Ness J, Waters K, Kelly S, et al. Self-harm during the early period of the COVID-19 pandemic in England: comparative trend analysis of hospital presentations. J Affect Disord. 2021;282:991–5.
Holmes EA, O’Connor RC, Perry VH, Tracey I, Wessely S, Arseneault L, Ballard C, et al. Multidisciplinary research priorities for the COVID-19 pandemic: a call for action for mental health science. Lancet Psychiatry. 2020;7(6):547–60.
Iob E, Steptoe A, Fancourt D. Abuse, self-harm and suicidal ideation in the UK during the COVID-19 pandemic. Br J Psychiatry. 2020;217(4):543–6.
Jessula S, Yanchar NL, Romao R, Green R, Asbridge M. Where to start? Injury prevention priority scores for traumatic injuries in Canada. Can J Surg. 2022;65(3):E326–34.
John A, Eyles E, Webb RT, Okolie C, Schmidt L, Arensman E, Hawton K, et al. The impact of the COVID-19 pandemic on self-harm and suicidal behaviour: update of living systematic review. F1000Research. 2020;9:1097. https://doi.org/10.12688/f1000research.25522.2.
Johnson D, Skinner R, Cappelli M, Zemek R, McFaull S, Langill C, Cloutier P. Self-Inflicted Injury-Canadian Hospitals Injury Reporting and Prevention Program (CHIRPP-SI): a new surveillance tool for detecting self-inflicted injury events in emergency departments. Can J Public Health. 2019;110(2):244–52.
Kapur N, Clements C, Appleby L. Impact of the Covid-19 pandemic on the frequency of primary care-recorded mental illness and self-harm episodes in the UK: population-based cohort study of 14 million individuals. Lancet Psychiatry. 2021;8(2):E9–E9.
Keays G, Friedman D, Gagnon I. Original quantitative research-Pediatric injuries in the time of COVID-19. Health Promot Chronic Dis Prevent Can Res Policy Pract. 2020;40(11–12):336.
Kerfoot M, Dyer E, Harrington V, Woodham A, Harrington R. Correlates and short-term course of self-poisoning in adolescents. Br J Psychiatry. 1996;168:38–42.
Lereya ST, Winsper C, Heron J, Lewis G, Gunnell D, Fisher HL, Wolke D. Being bullied during childhood and the prospective pathways to self-harm in late adolescence. J Am Acad Child Adolesc Psychiatry. 2013;52(6):608–18.
Lim K-S, Wong CH, McIntyre RS, Wang J, Zhang Z, Tran BX, Tan W, et al. Global lifetime and 12-month prevalence of suicidal behavior, deliberate self-harm and non-suicidal self-injury in children and adolescents between 1989 and 2018: a meta-analysis. Int J Environ Res Public Health. 2019;16(22):4581.
Liu L, Pollock NJ, Contreras G, Tonmyr L, Thompson W. Prevalence of suicidal ideation among adults in Canada: results of the second Survey on COVID-19 and mental health. Health Rep. 2022;33(5):13–21.
McIntyre A, Tong K, McMahon E, Doherty A. COVID-19 and its effect on emergency presentations to a tertiary hospital with self-harm in Ireland. Irish J Psychol Med. 2021;38(2):116–22.
McManus S, Hassiotis A, Jenkins R, Dennis M, Aznar C, Appleby L. Suicidal thoughts, suicide attempts, and self-harm. Mental health and wellbeing in England: adult psychiatric morbidity survey. 2014:294–322.
National Cancer Institute, Statistical Methodology and Applications Branch, Surveillance Research Program. Joinpoint Regression Program, Version 184.108.40.206 - April 2022.
National Collaborating Centre for Mental Health. Self-harm: the short-term physical and psychological management and secondary prevention of self-harm in primary and secondary care. 2004. UK. https://www.ncbi.nlm.nih.gov/books/NBK56385/pdf/Bookshelf_NBK56385.pdf
Ohlis A, Bjureberg J, Lichtenstein P, D’Onofrio BM, Fruzzetti AE, Cederlöf M, Hellner C. Comparison of suicide risk and other outcomes among boys and girls who self-harm. Eur Child Adolesc Psychiatry. 2020;29(12):1741–6.
Public Health Agency of Canada. Canadian hospitals injury reporting and prevention program. 2020. Ottawa, Canada. https://www.canada.ca/en/public-health/services/injury-prevention/canadian-hospitals-injury-reporting-prevention-program.html
Ruch DA, Heck KM, Sheftall AH, Fontanella CA, Stevens J, Zhu M, Horowitz LM, et al. Characteristics and precipitating circumstances of suicide among children aged 5 to 11 years in the United States, 2013–2017. JAMA Netw Open. 2021;4(7):e2115683–e2115683.
Saunders NR, Toulany A, Deb B, Strauss R, Vigod SN, Guttmann A, Chiu M, et al. Acute mental health service use following onset of the COVID-19 pandemic in Ontario, Canada: a trend analysis. Can Med Assoc Open Access J. 2021;9(4):E988–97.
Skinner R, McFaull S, Draca J, Frechette M, Kaur J, Pearson C, Thompson W. Suicide and self-inflicted injury hospitalizations in Canada (1979 to 2014/15). Health Promot Chronic Dis Prevent Can Res Policy Pract. 2016;36:11.
Skinner R, Irvine B, Branchard B, Williams G, Pearson C, Kaur J, Yao X, Merklinger L, Lary T. A contextual analysis of the Suicide Surveillance Indicators. Health Promot Chronic Dis Prevent Can Res Policy Pract. 2017;37(8):257.
Stewart C, Crawford PM, Simon GE. Changes in coding of suicide attempts or self-harm with transition from ICD-9 to ICD-10. Psychiatr Serv. 2017;68(3):215–215.
Ueda M, Nordström R, Matsubayashi T. Suicide and mental health during the COVID-19 pandemic in Japan. J Public Health (oxford, England). 2021. https://doi.org/10.1093/pubmed/fdab113.
Vigo D, Jones L, Thornicroft G, Atun R. Burden of mental, neurological, substance use disorders and self-harm in North America: a comparative epidemiology of Canada, Mexico, and the United States. Can J Psychiatry. 2020;65(2):87–98.
World Health Organization. Public health action for the prevention of suicide: a framework. 2012. Geneva, Swtizerland. https://apps.who.int/iris/bitstream/handle/10665/75166/?sequence=1
World Health Organization. Preventing Suicide: a Global Imperative. 2014. Geneva, Swtizerland. https://www.who.int/publications/i/item/9789241564779