ArticleCMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne2023
Self-harm among youth during the first 28 months of the COVID-19 pandemic in Ontario, Canada: a population-based study.
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Article in CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13citing papers in PubMed
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Who cites it
13 citing papers in PubMed.
- Geographic variation and neighbourhood correlates of mental health-related hospitalizations and emergency department visits in children and youth during the COVID-19 pandemic: a population-based study.Frontiers in child and adolescent psychiatry · 2026Article
- Self-Harm Presentations to a Pediatric Trauma Centre During the First Year of the COVID-19 Pandemic.Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent · 2025Article
- Trust Dynamics and Equity in Public Health in Canada: Protocol for a Mixed Methods Project in the Postpandemic Era.JMIR research protocols · 2025Article
- Self-Harm and Suicide-Related Content on TikTok: Thematic Analysis.Journal of medical Internet research · 2025Article
- Families of Children/Youth with Complex Needs Before, During, and After COVID-19 Pandemic Restrictions.Journal of child & adolescent trauma · 2025Article
- Repeat self-harm hospitalizations in Canada: a survival analysis.Injury epidemiology · 2025Article
- Child Well-Being and Family Quality of Life During the COVID-19 Pandemic.Child: care, health and development · 2025Article
- Article
- 'We tried our best... it wasn't great': a qualitative study of clinician experiences on child psychiatry wards at the height of COVID-19.BMC health services research · 2024Article
- Pediatric Hospitalizations and Emergency Department Visits Related to Mental Health Conditions and Self-Harm.JAMA network open · 2024Article
- Article
- COVID-19 Posttraumatic Stress Disorder and Mental Health among Spanish Adolescents: SESSAMO Project.Journal of clinical medicine · 2024Article
- Evaluation of COVID-19 Effect on Mental Health, Self-Harm, and Suicidal Behaviors in Children and Adolescents Population.Journal of clinical medicine · 2024Article
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Authors and funding
14 authors.
Rachel H B MitchellSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Alene ToulanySunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Hannah ChungSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Eyal CohenSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Longdi FuSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Rachel StraussSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Simone N VigodSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Therese A StukelSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Kimberly MoranSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Astrid GuttmannSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Paul KurdyakSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Azmina ArtaniSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Monica KopecSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont.
Natasha R SaundersSunnybrook Health Sciences Centre (Mitchell); Evaluative Clinical Sciences, Sunnybrook Research Institute (Mitchell); Department of Psychiatry (Mitchell, Vigod, Kurdyak), University of Toronto; The Hospital for Sick Children (Toulany, Cohen, Guttmann, Saunders); Department of Pediatrics (Toulany, Cohen, Guttmann, Saunders), University of Toronto; ICES Central (Toulany, Chung, Cohen, Fu, Strauss, Vigod, Stukel, Guttmann, Kurdyak, Artani, Saunders); Institute of Health Policy, Management and Evaluation (Toulany, Cohen, Vigod, Stukel, Guttmann, Kurdyak, Saunders), University of Toronto; Child Health Evaluative Sciences (Toulany, Cohen, Guttmann, Kopec, Saunders), SickKids Research Institute; Edwin S.H. Leong Centre for Healthy Children (Toulany, Cohen, Guttmann, Saunders), University of Toronto; Women's College Hospital (Vigod); Women's College Research Institute (Vigod); Women's College Hospital Institute for Health System Solutions and Virtual Care (Vigod); Ontario College of Family Physicians (Moran); Centre for Addiction and Mental Health (Kurdyak), Toronto, Ont. Natasha.saunders@sickkids.ca.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundYouth have reported worsening mental health during the COVID-19 pandemic. We sought to evaluate rates of pediatric acute care visits for self-harm during the pandemic according to age, sex and mental health service use.
methodsWe conducted a population-based, repeated cross-sectional study using linked health administrative data sets to measure monthly rates of emergency department visits and hospital admissions for self-harm among youth aged 10-17 years between Jan. 1, 2017, and June 30, 2022, in Ontario, Canada. We modelled expected rates of acute care visits for self-harm after the pandemic onset based on prepandemic rates. We reported relative differences between observed and expected monthly rates overall and by age group (10-13 yr and 14-17 yr), sex and mental health service use (new and continuing).
resultsIn this population of about 1.3 million children and adolescents, rates of acute care visits for self-harm during the pandemic were higher than expected for emergency department visits (0.27/1000 population v. 0.21/1000 population; adjusted rate ratio [RR] 1.29, 95% confidence interval [CI] 1.19-1.39) and hospital admissions (0.74/10 000 population v. 0.43/10 000 population, adjusted RR 1.72, 95% CI 1.46-2.03). This increase was primarily observed among females. Rates of emergency department visits and hospital admissions for self-harm were higher than expected for both those aged 10-13 years and those aged 14-17 years, as well as for both those new to the mental health system and those already engaged in care.
interpretationRates of acute care visits for self-harm among children and adolescents were higher than expected during the first 2 and a half years of the COVID-19 pandemic, particularly among females. These findings support the need for accessible and intensive prevention efforts and mental health supports in this population.
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COVID-19Self-Injurious BehaviorAdolescentChildCross-Sectional StudiesFemaleHumansOntarioPandemics
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