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Publication Results (60)

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  • Outpatient mental health service use in major trauma survivors: a population-based cohort study from Ontario, Canada

    Evans CCD, Li W, Jagelaviciute G, Morrison C, Ng R, Brogly SB. J Trauma Acute Care Surg. 2022; Oct 31 [Epub ahead of print]. DOI:

  • Use of the emergency department as a first point of contact for mental health care by immigrant youth in Canada: a population-based study

    Saunders NR, Gill PJ, Holder L, Vigod S, Kurdyak P, Gandhi S, Guttmann A. CMAJ. 2018; 190(40):E1183-91. Epub 2018 Oct 9.

  • A retrospective cohort study examining health care utilization patterns in individuals diagnosed with an eating disorder in childhood and/or adolescence

    Couturier J, Gayowsky A, Findlay S, Webb C, Sami S, Chan AKC, Chanchlani R, Kurdyak P. Int J Eat Disord. 2022; 55(10):1316-30. Epub 2022 Aug 3. DOI:

  • April 2017

    • Inflammatory bowel diseases on the rise in Canadian children
    • Low cancer screening rates among organ transplant patients in Ontario
    Research video
    • Baiju Shah on high thyroid cancer risk in Ontario immigrants from Southeast and East Asia
    ICES in the News
    • Two people a day die of opioid-related causes in Ontario
    • Many nursing home residents with dementia get medications of questionable benefit near the end of life
    • Where you live in Ontario could determine your risk of heart attack, stroke or dying of cardiovascular disease
    • No association between antidepressants during pregnancy and autism spectrum disorder in children
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    • Do people who experience incarceration age more quickly? Exploratory analyses using retrospective cohort data on mortality from Ontario, Canada
    • Mental health services claims and adult onset asthma in Ontario, Canada
    • Impact of a provincial quality-improvement program on primary health care in Ontario: a population-based controlled before-and-after study
    • The association of frailty with outcomes and resource use after emergency general surgery: a population-based cohort study
    • Level of need, divertibility, and outcomes of newly admitted nursing home residents
    • The Cardiovascular Health in Ambulatory Care Research Team performance indicators for the primary prevention of cardiovascular disease: a modified Delphi panel study
  • Gender and outpatient mental health service use

    Rhodes AE, Goering PN, To T, Williams JI. Soc Sci Med. 2002; 54(1):1-10.

  • Characteristics of older adults hospitalized in acute psychiatric units in Ontario: a population-based study

    Seitz DP, Vigod SN, Lin E, Gruneir A, Newman A, Anderson G, Rapoport MJ, Rochon P, Blumberger DM, Herrmann N. Can J Psychiatry. 2012; 57(9):554-63.

  • September 2017

    • Higher use of home care for Ontarians with intellectual and developmental disabilities
    • H1N1 infection increased risk of premature births for pregnant women with pre-existing medical conditions
    • The shrinking health advantage: unintentional injuries among children and youth from immigrant families
    • The risk of mycobacterial infections associated with inhaled corticosteroid use
    • Mental health services use trends in Canadian Veterans: a population-based retrospective cohort study in Ontario
    ICES in the News
    • Refugee children and youth at higher risk of unintentional injury compared with non-refugee immigrants
    • Ontarians with schizophrenia die eight years younger than those without
    • Half of young adults with autism have a psychiatric diagnosis
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    • The direct healthcare costs associated with psychological distress and major depression: a population-based cohort study in Ontario, Canada 
    • Low medical morbidity and mortality after acute courses of electroconvulsive therapy in a population-based sample
    • Performance of a postnatal metabolic gestational age algorithm: a retrospective validation study among ethnic subgroups in Canada
    • Performance of a postnatal metabolic gestational age algorithm: a retrospective validation study among ethnic subgroups in Canada
    • Has province-wide symptom screening changed opioid prescribing rates in older patients with cancer?
    • Cervical cancer screening among women from Muslim-majority countries in Ontario, Canada
    • Impact of injectable furosemide hospital shortage on congestive heart failure outcomes: a time series analysis
    • Estimating the prevalence of heterozygous familial hypercholesterolaemia: a systematic review and meta-analysis
  • January 2021

    • ICES Winter Forum
    • Testing, infection and complication rates of COVID-19 among people with a recent history of homelessness in Ontario, Canada: a retrospective cohort study
    • Impact of geography on care delivery and survival for noncurable pancreatic adenocarcinoma: a population-based analysis
    • Patient-reported symptom burden as a predictor of emergency department use and unplanned hospitalization in head and neck cancer: a longitudinal population-based study
    ICES in the News
    • A health care system besieged by COVID?
    • COVID-19 in Ontario
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    • Medication use and its impact on high-cost health care users among older adults: protocol for the population-based matched cohort HiCOSTT study
    • Quality and safety in long-term care in Ontario: the impact of language discordance
    • Over half of seniors who start oral bisphosphonate therapy are exposed for 3 or more years: novel rolling window approach and patterns of use
    • Statin exposure and risk of heart failure after anthracycline- or trastuzumab-based chemotherapy for early breast cancer: a propensity score-matched cohort study
    • Access to bariatric surgery among older patients in a publicly funded regionalized care system
    • Mental health services provision in primary care and emergency department settings: analysis of blended fee-for-service and blended capitation models in Ontario, Canada
    • Correlates of non-adherence to breast, cervical, and colorectal cancer screening among screen-eligible women: a population-based cohort study in Ontario, Canada
    • Effect of socio-demographic and health factors on the association between multimorbidity and acute care service use: population-based survey linked to health administrative data
  • October 2021

    • Did emergency department visits in infants and young children increase in the last decade? An Ontario, Canada study
    • Association of pre-existing comorbidities with mortality and disease severity among 167,500 individuals with COVID-19 in Canada: a population-based cohort study
    • Comparison of medication prescribing before and after the COVID-19 pandemic among nursing home residents in Ontario, Canada
    ICES in the News
    • Impact of the COVID-19 pandemic on skin cancer diagnosis: a population-based study
    • Incidence and mortality rates of keratinocyte carcinoma from 1998–2017: a population-based study of sex differences in Ontario, Canada
    • COVID-19 testing and percent positivity in Ontario
    • The impact of the COVID-19 pandemic on cardiac procedure waitlist mortality in Ontario, Canada
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    • Sex-specific differences in physical health and health services use among Canadian Veterans: a retrospective cohort study using healthcare administrative data
    • Factors associated with experiencing reassault in Ontario, Canada: a population-based analysis
    • Changes in exposure to ambient fine particulate matter after relocating and long term survival in Canada: quasi-experimental study
    • Risk factors associated with long term mortality and complications following thoracoabdominal aortic aneurysm repair
    • Superior outcomes with paediatric protocols in adolescents and young adults with aggressive B-cell non-Hodgkin lymphoma
    • Homebound status among older adult home care recipients in Ontario, Canada
    • Health care costs associated with hepatitis C virus infection in First Nations populations in Ontario: a retrospective matched cohort study
    • Health system-level evaluation of tele-mental health services among children and adolescents in Ontario, Canada
  • Rising healthcare costs and utilization among young adults with cirrhosis in Ontario: a population-based study

    Ames JB, Djerboua M, Terrault NA, Booth CM, Flemming JA. Can J Gastroenterol Hepatol. 2022; 2022:6175913. Epub 2022 Mar 9. DOI:

  • Impact of a mass media mental health campaign on psychiatric emergency department visits

    Cheng J, Benassi P, de Oliveira C, Zaheer J, Collins M, Kurdyak P. Can J Public Health. 2016; 107(3):e303-11.

  • The relation between food insecurity and mental health care service utilization in Ontario

    Tarasuk V, Cheng J, Gundersen C, de Oliveira C, Kurdyak P. Can J Psychiatry. 2018; 63(8):557-69. Epub 2018 Jan 7.

  • Physical health and gender as risk factors for usage of services for mental illness

    Matheson FI, Smith KL, Fazli GS, Moineddin R, Dunn JR, Glazier RH. J Epidemiol Community Health. 2014; 68(10):971-8. Epub 2014 Jun 25.

  • A descriptive analysis of medical health services utilization of Veterans living in Ontario: a retrospective cohort study using administrative healthcare data

    Aiken AB, Mahar AL, Kurdyak P, Whitehead M, Groome PA. BMC Health Serv Res. 2016; 16(a):351. Epub 2016 Aug 4.

  • Increased mental health care use by mothers of children with multiple sclerosis

    Marrie RA, O’Mahony J, Maxwell C, Ling V, Yeh EA, Arnold DL, Bar-Or A, Banwell B; Canadian Pediatric Demyelinating Disease Network. Neurology. 2020; 94(10):e1040-50. Epub 2020 Jan 9. DOI:

  • Characterizing family physicians who refer to telepsychiatry in Ontario

    Serhal E, Iwajomo T, de Oliveira C, Crawford A, Kurdyak P. Can J Psychiatry. 2021; 66(1):25-33. Epub 2020 Sep 10. DOI:

  • The association of gender and persistent opioid use following an acute pain event: a retrospective population based study of renal colic

    Jaeger M, Hosier GW, McGregor T, Beiko D, Kasasni SM, Booth CM, Whitehead M, Siemens DR. PLoS One. 2021; 16(8):e0256582. Epub 2021 Aug 26. DOI:

  • Hospitalizations and emergency department visits for psychiatric illness during and after pregnancy among women with schizophrenia

    Rochon-Terry G, Gruneir A, Seeman MV, Ray JG, Rochon P, Dennis CL, Grigoriadis S, Fung K, Kurdyak PA, Vigod SN. J Clin Psychiatry. 2016; 77(4):541-7. Epub 2016 Mar 15.

  • Association of primary care continuity with outcomes following transition to adult care for adolescents with severe mental illness

    Toulany A, Stukel TA, Kurdyak P, Fu L, Guttmann A. JAMA Netw Open. 2019; 2(8):e198415. Epub 2019 Aug 2. DOI:10.1001/jamanetworkopen.2019.8415.

  • Physician health care visits for mental health and substance use during the COVID-19 pandemic in Ontario, Canada

    Myran DT, Cantor N, Rhodes E, Pugliese M, Hensel J, Taljaard M, Talarico R, Garg AX, McArthur E, Liu C, Jeyakumar N, Simon C, McFadden T, Gerin-Lajoie C, Sood MM, Tanuseputro P. JAMA Netw Open. 2022; 5(1):e2143160. Epub 2022 Jan 21. DOI: