Kelly Anderson, PhD

Dr.AndersonCanada Research Chair in Public Mental Health Research
Associate Professor and Graduate Chair

Phone:519.661.2111 ext. 81001
Email: kelly.anderson@schulich.uwo.ca
Website: www.pmhrg.com

Appointments

Research Cluster Membership

Research Interests

  • Public Mental Health
  • First-Episode Psychosis
  • Social Determinants
  • Health Services Research
  • Health Administrative Data
  • Systematic Reviews and Meta-Analysis
  • Mixed Methods Research

Education

  • BHSc-Bachelor of Health Sciences, McMaster University
  • MSc-Health Research Methodology, McMaster University
  • PhD-Epidemiology, McGill University

Recent Research Grants

  • Understanding the Evolution of Psychotic Disorders and Related Outcomes Among First-Generation Migrant Groups. (Nominated Principal Applicant, Canadian Institutes of Health Research – Project Grant, 2025 – 2029)
  • Youth-Emerging Mental Disorders: Comprehensive Analysis of Long-Term Health, Mortality, and Socioeconomic Outcomes Across Four Canadian Provinces. (Co-Principal Applicant, Canadian Institutes of Health Research – Project Grant, 2025 – 2029)
  • Healthy Cities, Healthy Minds: Investigating the Role of Neighbourhood Social Fragmentation and Gentrification on the Risk of Psychotic Disorders. (Nominated Principal Applicant, Canadian Institutes of Health Research – Healthy Cities Research Initiative, 2025 – 2026)
  • Childhood Antecedents to Youth Mental Disorders: A Birth Cohort Study Using Population-Based Health Administrative Data. (Principal Investigator, Children’s Health Research Institute – Children’s Mental Health Grant, 2022 – 2023)
  • The Impact of Cannabis Legalization and Availability on Incidence, Prevalence, and Health Services Utilization for Psychotic Disorders: Population-Based Evidence to Inform Policy Initiatives. (Nominated Principal Applicant, Canadian Institutes of Health Research – Catalyst Grant, 2021 – 2022)
  • Lost in Translation? Deciphering the Role of Language Differences in the Excess risk of Psychosis Among Migrant Groups. (Co-Principal Investigator, Department of Psychiatry Collaborative Research Seed Grants, 2021 – 2023)

Selected Recent Publications (Past 3 Years)

*Asterisk denotes student contributions

  • *Woods SE, *Nistor P, Anderson KK, Stranges S. More than beauty sleep: Sleep patterns of Canadian women across the lifecourse. Women’s Health, E-Pub – August 30 2025.
  • Barwick M, Durbin J, Foussias G, Panzarella E, Saliba M, Brooks S, Stasiulis E, Dubrowski R, Kurdyak P, Sockalingam S, Addington D, Ampofo A, Anderson KK, Bromley S, Choi M, Dahrouge S, Duda L, Jaouich A, Koegl C, Maxwell C, Miranda D, de Oliveira C, Polillo A, Primeau V, Riley J, Rossi D, Serhal E, Shakespeare J, Soklaridis S, Urajnik D, Kozloff N, Voineskos A. Fidelity, implementation determinants, and patient-level outcomes following initial implementation of NAVIGATE in the Early Psychosis Intervention - Spreading Evidence-based Treatment (EPI-SET) study. Schizophrenia Bulletin. E-Pub – August 23 2025.
  • *Adu J, Oudshoorn A, Anderson KK, Marshall CA, Stuart H. Family members' perspectives on mental illness stigma: A community study. Canadian Journal of Nursing, E-Pub – May 16 2025.
  • Rotenberg M, *Graffi J, Anderson KK, Kurdyak P, Kozloff N, Foussias G. A geospatial analysis of early psychosis intervention services in Toronto, Canada. Canadian Journal of Psychiatry. E-Pub – April 20 2025.
  • *Rajaratnam E, *Zhong T, Anderson KK, Some N, Sarma S. (2025) The impact of team-based primary care on health care utilization among patients with mental and substance use disorders: A systematic review of English-language studies. Family Practice, 42(5), cmaf061.
  • *Wiener JC, Rodrigues R, Reid JNS, Archie S, Hameed Jan S, MacDougall A, Palaniyappan L, Jaakkimainen L, Chen B, Sawh N, Anderson KK. (2025) Early psychosis symptoms noted in electronic medical records during help-seeking visits in primary care. Canadian Journal of Psychiatry, 70(9), 713-722.
  • *Salama R, Rodrigues R, Comeau J, Choi Y, Rotenberg M, Edwards J, Le B, Anderson KK. (2025) Contact with health services for adverse childhood experiences and subsequent risk of non-affective psychotic disorder: Population-based evidence from Ontario, Canada. Schizophrenia Research, 283, 115-121.
  • Anderson KK, Rodrigues R, Rotenberg M, Edwards J, Le B. (2025) Cohort Profile: The Ontario Mental Health and Intersectionality Data Surveillance (Ontario-MINDS) Cohort. International Journal of Epidemiology, 54(3), dyaf076.
  • *Hensel A, Nicholson K, Anderson KK, Gomaa N. (2025) Adverse childhood experiences and the co-occurrence of poor oral health and multimorbidity: Findings from the Canadian Longitudinal Study on Aging. Community Dentistry and Oral Epidemiology, 53(3), 307-315.
  • Afifi TO, McCarthy J, Osorio A, MacGowan L, Taillieu TL, Stewart-Tufescu A, Sareen J, MacMillan HL, Tonmyr L, McPhail D, Colman I, Ferro MA, Anderson KK, Edwards J. (2025) Child abuse prevalence estimates in Canada; Comparisons of nationally representative data from 2012 to 2022: A population-based study. Lancet Regional Health – Americas, 45, 101072.
  • *Kim HH, Silverman M, Anderson KK, Lodhi R, Sarma S, Dickey C, Forchuk C. (2025) Risk factors associated with in-hospital substance use among people who use methamphetamine in London, Ontario. Canadian Journal of Addiction, 16(1), 16-23.
  • Myran DT, Pugliese M, Xiao J, Kaster TS, Husain MI, Anderson KK, Fabiano N, Wong S, Fiedorowicz JG, Webber C, Tanuseputro P, Solmi M. (2025) Emergency department visits involving hallucinogen use and risk of schizophrenia spectrum disorder. JAMA Psychiatry, 82(2), 142-150.
  • *Edwards J, Wang L, Fuller A, Anderson KK, de Oliveira C, Georgiades K. (2025) High intensity physician-based service use for mental health concerns in a general-population sample of children and youth. Canadian Journal of Psychiatry, 70(2), 127-135.
  • Myran DT, Pugliese M, Harrison LD, Solmi M, Anderson KK, Fiedorowicz JG, Manuel D, Taljaard M, Webber C, Finkelstein Y, Tanuseputro P. (2025) Changes in incident schizophrenia diagnoses associated with cannabis use disorder after cannabis legalization. JAMA Network Open, 8(2), e2457868.
  • *Lan M, John-Baptiste A, Curran C, Alemu FW, Avan A, Anderson KK, Ali S. (2025) Systematic review of economic studies evaluating the impact of hypertension prevention and modification on dementia burden. Journal of Prevention of Alzheimer's Disease, 12(1), 100017.
  • *Obeegadoo I, Kingsbury M, Anderson KK, Colman I. (2025) Suicidality in first-generation, second-generation and non-immigrant youth in Canada. Journal of Migration and Health, 11, 100296.
  • *Wootten JC, Richard L, Lam M, Blanchette PS, Solmi M, Anderson KK. (2024) Treatment and mortality following cancer diagnosis among people with non-affective psychotic disorders in Ontario, Canada: A retrospective cohort study. Schizophrenia Bulletin, 51(1), 75-84.
  • *Eccles H, Abramovich A, Patte KA, Elton-Marshall T, Racine N, Ferro MA, Edwards J, Anderson KK, Afifi TO, Geoffroy MC, Kingsbury M, Colman I. (2024) The prevalence of psychiatric disorders in transgender and gender diverse people in Canada: A population-based study. JAMA Network Open, 7(10), e2436883.
  • *Adu J, Oudshoorn A, Anderson KK, Marshall CA, Stuart H. (2024) The experiences of familial mental illness stigma among individuals living with mental illness. Journal of Biosocial Sciences, 56(5), 809-830.
  • *Adu J, Oudshoorn A, Anderson KK, Marshall CA, Stuart H. (2024) Negotiating familial mental illness stigma: The role of family members of persons living with mental illnesses. PLOS ONE, 19(9), e0311170.
  • *Wang JY, Speechley KN, Anderson KK, Gainham G, Ali S, Doyon-Trottier E, Sabhaney V, Heath A, Forbes A, Poonai N. (2024) Intranasal midazolam for procedural distress in children in the emergency department: A systematic review and meta-analysis. Canadian Journal of Emergency Medicine, 26(9), 658-670.
  • Anderson KK, *Khan JA, *Edwards J, Le B, Longobardi G, *Witt I, *Alonso-Sánchez MF, Palaniyappan L. (2024) Lost in translation? Deciphering the role of language differences in the excess risk of psychosis among migrant groups. Psychological Medicine, 54(11), 3063-3070.
  • *Valdez C, Rodrigues R, Reid J, Anderson KK. (2024) Disparities in access to a regular family physician among first-generation migrants prior to a first diagnosis of psychotic disorder in Ontario, Canada. Community Mental Health Journal, 60(6), 1237-1241.
  • Rodrigues R, Reid J, Archie S, Booth RG, Cheng C, MacDougall AG, Palaniyappan L, Ryan B, Voineskos A, Anderson KK. (2024) Access to a regular family physician among young people with early psychosis in Ontario, Canada. Early Intervention in Psychiatry, 18(7), 513-523.
  • *Carter B, Rodrigues R, *Edwards J, Hameed Jan S, Ryan BL, Booth RG, Archie S, Anderson KK. (2024) Early psychosis intervention and primary care: A mixed methods study of family physician knowledge, attitudes, preferences, and needs. Community Mental Health Journal, 60(5), 898-907.
  • *Hensel ALJ, Nicholson K, Anderson KK, Gomaa NA. (2024) Biopsychosocial factors in oral and systemic diseases: A scoping review. Frontiers in Oral Health, 5, 1378467.
  • *Brogly C, Lizotte DJ, Mitchell M, Speechley M, MacDougall A, Huner E, Anderson KK, Bauer MA. (2024) An app-based ecological momentary assessment of undergraduate mental health during the COVID-19 pandemic in Canada (Smart Healthy Campus Version 2.0): Longitudinal study. PLOS Digital Health, 3(5), e0000239.
  • *Wootten JC, Rodrigues R, Gilliland J, Carter B, Reid J, Shariff SZ, Le B, Archie S, *Edwards J, Elton-Marshall T, Myran DT, Palaniyappan L, Perlman C, Seabrook JA, Murray RM, Anderson KK. (2024) The effect of non-medical cannabis retailer proximity on use of mental health services for psychotic disorders in Ontario, Canada. International Journal of Social Psychiatry, 70(2), 308-318.
  • Rodrigues R, *Jing A, Anderson KK, *Alonzo R, Wilk P, Reid GJ, Gilliland J, Zou G, Nicholson K, Guaiana G, Stranges S. (2024) Who sleeps well in Canada? The social determinants of sleep health among middle-aged and older adults in the Canadian Longitudinal Study on Aging. Sleep Health, 10(1), 104-113.
  • Clemens KK, Le B, Anderson KK, Comeau J, Tarasuk V, Shariff SZ. (2024) The association between household food insecurity and health care costs among Canadian children. Canadian Journal of Public Health, 115(1), 89-98.
  • MacDougall AG, *Wiener JC, *Puka K, Price E, Oyewole-Eletu O, Gardizi E, Anderson KK, Norman RMG. (2024) Effectiveness of a mindfulness-based intervention for persons with early psychosis: A multi-side randomized controlled trial. Schizophrenia Research, 264, 502-510.
  • *Idrees S, Anderson KK, Choi Y, Tijssen J. (2024) Sociodemographic factors and the risk of paediatric out-of-hospital cardiac arrest in Ontario, Canada: A province-wide case-control study. Journal of the American Heart Association, 13(1), e032718.
  • Anderson KK, Rodrigues R, Le B, *Mamun M, Archie S, *Edwards J, Elton-Marshall T, Gilliland J, Myran D, Palaniyappan L, Perlman C, Seabrook J, Murray RM, Shariff S. (2024) Impact of non-medical cannabis legalization with market restrictions on health service and incident cases of psychotic disorder in Ontario, Canada. International Journal of Drug Policy, 123, 104285.
  • *Kim HH, Silverman M, Anderson KK, Lodhi R, Sarma S, Dickey C, Forchuk C. (2023) Characterization of a cohort of persons who use methamphetamines in London, Ontario and in-hospital substance use. Canadian Journal of Addiction, 14(4), 36-43.
  • *Wiener JC, Rodrigues R, Reid J, Anderson KK. (2023) Describing models of shared care for the management of psychotic disorder after first diagnosis in Ontario. Canadian Family Physician, 69(12), 859-866.
  • *Idrees S, Abdullah R, Anderson KK, Tijssen JA. (2023) Sociodemographic factors associated with paediatric out-of-hospital cardiac arrest: A systematic review. Resuscitation, 192, 109931.
  • Myran D, Harrison LD, Pugliese M, Solmi M, Anderson KK, Fiedorowicz JG, Perlman CM, Webber C, Finkelstein Y, Tanuseputro P. (2023) Transition to schizophrenia spectrum disorder following emergency department visits due to substance use with and without psychosis. JAMA Psychiatry, 80(11), 1169-1174.
  • *Ologundudu OM, Palaniyappan L, Cipriano LE, Wijnen BFM, Anderson KK, Ali S. (2023) Risk stratification for treating people at ultra-high risk for psychosis: A cost-effectiveness analysis. Schizophrenia Research, 261, 225-233.
  • Myran DT, Pugliese M, Roberts R, Tanuseputro P, Solmi M, Perlman C, Fiedorowicz J, Anderson KK. (2023) Association between non-medical cannabis legalization and emergency department visits for cannabis-induced psychosis. Molecular Psychiatry, 28(10), 4251-4260.
  • Anderson KK, Rodrigues R. (2023) Differences in clinical presentation at first hospitalization and the impact on involuntary admissions among first-generation migrant groups with non-affective psychotic disorders. Social Psychiatry and Psychiatric Epidemiology, 58(9), 1329-1341.
  • *Nistor P, *Chang-Kit B, Nicholson K, Anderson KK, Stranges S. (2023) The relationship between sleep and multimorbidity in community dwelling populations: Systematic review and global perspectives. Sleep Medicine, 109, 270-284.
  • Comeau J, Wang L, Duncan L, *Edwards J, Georgiades K, Anderson KK, Wilk P, Lau T. (2023) Correlates of child mental health and substance use related emergency department visits in Ontario: A linked population survey and administrative health data study. International Journal of Population Data Science, 8(1), 19.
  • *Carter B, Rodrigues R, Reid J, Archie S, Terry AL, Palaniyappan L, MacDougall AG, Voineskos A, Hameed Jan S, Jaakkimainen L, Chen B, Sawh N, Anderson KK. (2023) Sex differences in the clinical presentation of early psychosis in a primary care setting. Archives of Women’s Mental Health, 26(4), 485-493.
  • Anderson KK, Le B, Zhang L, Clemens KK, Comeau J, Tarasuk V, Shariff SZ. (2023) Household food insecurity and health service use for mental and substance use disorders among children and adolescents in Ontario, Canada. CMAJ, 195(28), E948-E955.
  • *Rotenberg M, Gozdyra P, Anderson KK, Kurdyak P. (2023) The role of geography and distance on physician follow-up after hospitalization with a diagnosis of a schizophrenia spectrum disorder: A retrospective population-based cohort study in Ontario, Canada. PLOS ONE, 18(6), e0287334.
  • Rodrigues R, Nicholson K, Guaiana G, Wilk P, Stranges S, Anderson KK. (2023) Sleep problems and psychological well-being: Baseline findings from the Canadian Longitudinal Study on Aging. Canadian Journal on Aging, 42(2), 230-240.
  • *Rotenberg M, Tuck A, Anderson KK, McKenzie K. (2023) Neighbourhood level social capital, marginalization, and the incidence of schizophrenia and schizoaffective disorder in Toronto, Canada: A retrospective population-based cohort study. Psychological Medicine, 53(6), 2643-2651.
  • *Adu J, Oudshoorn A, Anderson KK, Marshall CA, Stuart H. (2023) Experiences of familial stigma among individuals living with mental illnesses: A meta-synthesis of qualitative literature from high-income countries. Journal of Psychiatric and Mental Health Nursing, 30(2), 208-233.
  • *Wiener JC, Rodrigues R, Reid J, Archie S, Booth RG, Cheng C, Hameed Jan S, Kurdyak P, MacDougall AG, Palaniyappan L, Ryan B, Anderson KK, on behalf of the project co-investigators. (2023) Patient and physician factors associated with first diagnosis of non-affective psychotic disorder in primary care. Administration and Policy in Mental Health and Mental Health Services Research, 50(2), 212-224.
  • *Edwards J, Wang L, Fuller A, Anderson KK, Georgiades K. (2023) Comparing youth with vs without outpatient mental health services on subsequent acute mental health care visits. Social Psychiatry and Psychiatric Epidemiology, 58(3), 501-504.
  • Shah J, Moinfar Z, Anderson KK, Gould H, Jacobs P, Mitchell S, Nguyen T, Rodrigues R, Hutt-Macleod D, Reaume-Zimmer P, Rudderham H, Rudderham S, Surood S, Smyth R, Urichuk L, Malla AK, Iyer SN, Latimer E. (2023) Return on investment from service transformation for young people experiencing mental health problems: Approach to economic evaluations in ACCESS Open Minds (Esprits ouverts), a multi-site pan-Canadian youth mental health project. Frontiers in Psychiatry, 14, 1030407
  • *Wootten JC, Wiener JC, Blanchette PS, Anderson KK. (2022) Cancer incidence and stage at diagnosis among people with psychotic disorders: Systematic review and meta-analysis. Cancer Epidemiology, 80, 102233.
  • MacDougall AG, Price E, Norman RMG, Glen S, *Kukan S, Powe L, Lysaker PH, Anderson KK. (2022) A pilot study of participatory video in early psychosis: Qualitative findings. Qualitative Research in Medicine and Healthcare, 6(2), 10438.
  • *Wootten JC, Wiener JC, Richard L, Blanchette P, Anderson KK. (2022) Cancer incidence and stage at diagnosis among people with recent-onset psychotic disorders. A retrospective cohort study using Ontario health administrative data. Psycho-Oncology, 31(9), 1510-1518.
  • Anderson KK, Le B, *Edwards J. (2022) Comparing risk factors for non-affective psychotic disorders with common mental disorders among migrant groups: A 25-year retrospective cohort study of 2 million migrants. Schizophrenia Bulletin, 48(5), 1011-1020.
  • *Hussain J, *Ling L, *Alonzo R, Rodrigues R, Nicholson K, Stranges S, Anderson KK. (2022) Associations between sleep patterns, smoking, and alcohol use among older adults in Canada: Insights from the Canadian Longitudinal Study on Aging (CLSA). Addictive Behaviors, 132, 107345.
  • *Wiley ER, Stranges S, Gilliland JA, Anderson KK, Seabrook JA. (2022) Residential greenness and substance use among transitional aged youth: Associations with alcohol, tobacco, and marijuana use. Environmental Research, 212 (Part A), 113124.
  • *Alonzo RT, Anderson KK, Rodrigues R, Klar N, Chiodini P, Montero-Odasso M, Stranges S. (2022) Does shiftwork impact cognitive performance? Findings from the Canadian Longitudinal Study on Aging (CLSA). International Journal of Environmental Research and Public Health, 19(16), 10124.
  • *Im J, Rodrigues R, Anderson KK, Wilk P, Stranges S, Nicholson K. (2022) Examining the prevalence and correlates of multimorbidity among community-dwelling older adults: Cross-sectional evidence from the Canadian Longitudinal Study on Aging (CLSA) first follow-up data. Age and Ageing, 51(8), afac165.
  • *Carter B, *Wootten J, Archie S, Terry AL, Anderson KK. (2022) Sex and gender differences in symptoms of early psychosis: A systematic review and meta-analysis. Archives of Women’s Mental Health, 25(4), 679-691.
  • *McRae S, *Edwards J, Speechley KN, Sukhera J, Zou G, Anderson KK. (2022) The prevalence and impact of adolescent hospitalization to adult psychiatric units. Early Intervention in Psychiatry, 16(7), 752-759.
  • *Edwards J, Wang L, Duncan L, Comeau J, Anderson KK, Georgiades K. (2022) Characterizing mental health related service contacts in children and youth: A linkage study of health survey and administrative data. Child and Adolescent Psychiatry and Mental Health, 16(1), 48.
  • Archie S, Palaniyappan L, Olagunju AT, Johnson N, Kozloff N, Sadeh E, Bardell A, Baines A, Anderson KK, Ayonrinde O, Ferrari M. (2022) Insights about cannabis and psychosis using video games for young people with a first episode of psychosis, particularly those from Black racialized backgrounds: Study design. JMIR Research Protocols, 11(5), e36758.
  • *Rodrigues M, Stranges S, Ryan BL, Anderson KK. (2022) The prevalence of physical multimorbidity among people with non-affective psychotic disorders 10 years after first diagnosis: A matched retrospective cohort study. Social Psychiatry and Psychiatric Epidemiology, 57(3), 495-503.
  • *Rotenberg M, Tuck A, Anderson KK, McKenzie K. (2022) The incidence of psychotic disorders and area-level marginalization in Ontario, Canada: A population-based retrospective cohort study. Canadian Journal of Psychiatry, 67(3), 216-225.
  • *Edwards J, Chiu M, Rodrigues R, Thind A, Stranges S, Anderson KK. (2022) Examining variations in the prevalence of diagnosed mood or anxiety disorders among migrant groups in Ontario, 1995-2015: A population-based repeated cross-sectional study. Canadian Journal of Psychiatry, 67(2), 130-139.