William Gardner

Senior Scientist, CHEO Research Institute

William Gardner is a child psychologist, statistician, and mental health services researcher. He studies children’s mental health interventions, statistical methods, psychiatric measurement, and health system change. He is a professor of epidemiology and psychiatry at the University of Ottawa. He is also the CHEO RI and University of Ottawa Senior Research Chair in Child and Adolescent Psychiatry. His current research is funded by the Canadian Institutes for Health Research, the US Centers for Disease Control, the Robert Wood Johnson Foundation, and the Scotiabank Foundation, past funding includes the US National Institute for Mental Health and the US Agency for Health Research and Quality. He has published in Science, the New England Journal of Medicine, JAMA, JAMA Pediatrics, JAMA Psychiatry, Pediatrics, Health Services Research, the American Psychologist, the Psychological Bulletin, Developmental Psychology, and Psychometrika, among other journals. Although he is not an economist, he blogs at The Incidental Economist (https://theincidentaleconomist.com) and can be followed on Twitter as @Bill_Gardner.

Related News

Research Projects

  1. Parenting during the COVID-19 pandemic: The sociodemographic and mental health factors associated with maternal caregiver strain


    Introduction: The COVID-19 pandemic has introduced new stressors for parents (“caregivers”) that may affect their own and their child’s mental health (MH). We explored self-reported levels of caregiver strain (parents’ perceived ability to meet parenting demands), and the MH and sociodemographic factors of caregivers to identify predictors of strain that can be used to guide MH service delivery for families.

  2. Risk of Mental Health Problems in Children and Youth Following Concussion: A Population-Based Retrospective Cohort Study


    Among children and youths aged 5 to 18 years, concussion was associated with an increased risk of mental health issues, psychiatric hospitalization, and self-harm compared with children and youths with an orthopedic injury.

  3. Health outcomes associated with emergency department visits by adolescents for self-harm: a propensity-matched cohort study


    Adolescents with emergency department visits for self-harm have higher rates of mortality, suicide and recurrent self-harm, as well as higher health care costs, than matched controls.

  4. Changing Rates of Self-Harm and Mental Disorders by Sex in Youths Presenting to Ontario Emergency Departments: Repeated Cross-Sectional Study


    Rates of adolescents with self-harm and mental health ED visits have increased since 2009, with greater increases among females. Research is required on the determinants of adolescents’ self-harm and mental health ED visits and how they can be addressed in that setting.