PUBLICATIONS
Publications 2025
- Nicholson, K., Salerno, J., Borhan, S., Cossette, B., Guenter, D., Vanstone, M., Queenan, J., Greiver, M., Howard, M., Terry, A.L., Williamson, T., Griffith, L.E., Fortin, M., Stranges, S., & Mangin, D. (2025). The co-occurance of multimorbidity and polypharmacy among middle-aged and odler adults in Canada: A cross-sectional study using the Canadian Longitudinal Study on Again (CLSA) and the Canadian Primary Care Sentinel Surveillance Network (CPCSSN). PLoS ONE 20(1): e0312873. https://doi.org/10.1371/journal.pone.0312873
- Ji C, Senthinathan A, Apajee J, Dubey V, Forte M, Kwong JC, Morris SK, Piche-Renaud PP, Wilson SE, Tu K. Impact of the COVID-19 pandemic on routine immunization coverage of children and teenagers in Ontario, Canada. Vaccine. 2025 Mar 7;49:126811. doi: 10.1016/j.vaccine.2025.126811. Epub 2025 Jan 30. PMID: 39889534.
- Abulibdeh R, Tu K, Butt DA, Train A, Crampton N, Sejdić E (2025) Assessing the capture of sociodemographic information in electronic medical records to inform clinical decision making. PLoS ONE 20(1): e0317599. https://doi.org/10.1371/journal.pone.0317599
Publications 2024
- Silva-Valencia J, Lapadula C, Westfall JM, Gaona G, de Lusignan S, Kristiansson RS, Ling ZJ, Goh LH, Soto-Becerra P, Cuba-Fuentes MS, Wensaas KA, Flottorp S, Baste V, Chi-Wai Wong W, Pui Ng AP, Ortigoza A, Manski-Nankervis JA, Hallinan CM, Zingoni P, Scattini L, Heald A, Tu K; INTRePID. Effect of the COVID-19 pandemic on mental health visits in primary care: an interrupted time series analysis from nine INTRePID countries. EClinicalMedicine. 2024 Mar 10;70:102533. doi: 10.1016/j.eclinm.2024.102533. PMID: 38495523; PMCID: PMC10940140.
- Tarride, J.E., Blackhouse, G., Lamarche, L., et al. (2024). Cost-effectiveness analysis of health tapestry, a complex primary care program for older adults: a post-hoc analysis. BMC Prim. Care, 25, 235. https://doi.org/10.1186/s12875-024-02475-5
- Hafid, S., Freeman, K., Aubrey-Bassler, K., et al. (2024). Describing primary care patterns before and during the COVID-19 pandemic across Canada: a quasi-experimental pre–post design cohort study using national practice-based research network data. BMJ Open, 14(5): e084608 DOI: 10.1136/bmjopen-2024-084608
- Soucy, J.-P. R., Low, M., Acharya, K. R., Ellen, M., Hulth, A., Löfmark, S., Garber, G. E., Watson, W., Moran-Gilad, J., Davidovitch, et al. (2024). Evaluation of an automated feedback intervention to improve antibiotic prescribing among primary care physicians (OPEN Stewardship): a multinational controlled interrupted time-series study. Microbiology spectrum, 12(4), e0001724. https://doi.org/10.1128/spectrum.00017-24
- Westfall, J. M., Bonilla, A. O., Lapadula, M. C., Zingoni, P. L., Wong, W. C. W., Wensaas, K. A., Pace, W. D., Silva-Valencia, J., Scattini, L. F., Ng, A. P. P., et al., INTRePID (2024). Changes in primary care visits for respiratory illness during the COVID-19 pandemic: a multinational study by the International Consortium of Primary Care Big Data Researchers (INTRePID). Frontiers in medicine, 11, 1343646. https://doi.org/10.3389/fmed.2024.1343646
- Tu, K., Lapadula, M. C., Apajee, J., Bonilla, A. O., Baste, V., Cuba-Fuentes, M. S., de Lusignan, S., Flottorp, S., Gaona, G., Goh, L. H., INTRePID (2024), et al. Changes in reasons for visits to primary care after the start of the COVID-19 pandemic: An international comparative study by the International Consortium of Primary Care Big Data Researchers (INTRePID). PLOS global public health, 4(8), e0003406. https://doi.org/10.1371/journal.pgph.0003406
Publications 2023
- Nguyen TN, Kalia S, Hanlon P, Jani BD, Nicholl BI, Christie CD, Aliarzadeh B, Moineddin R, Harrison C, Chow C, Fortin M, Mair FS, Greiver M. Multimorbidity and Blood Pressure Control in Patients Attending Primary Care in Canada. J Prim Care Community Health. 2023 Jan-Dec;14:21501319231215025. doi: 10.1177/21501319231215025. PMID: 38097504; PMCID: PMC10725138.
- D’Urzo KA, Tamari IE, Chapman KR, et al. Primary Care Severe Asthma Registry and Education Project (PCSAR-EDU): Phase 1 – an e-Delphi for registry definitions and indices of clinician behaviour. BMJ Open 2022;12:e055958. doi: 10.1136/bmjopen-2021-055958. Online Issue Publication December 8, 2023.
- Howard M, Aubrey-Bassler K, Drummond N, Lussier MT, Queenan JA, Vanstone M, Nicholson K, Ramdyal A, Lawson J, Hafid S, Freeman K, Clark R, Mangin D. Effects of the COVID-19 Pandemic on Primary Health Care for Chronic Conditions in Canada: Protocol for a Retrospective Pre-Post Study Using National Practice-Based Research Network Data. JMIR Res Protoc. 2023 Jul 21;12:e49131. doi: 10.2196/49131
- Black, J.E.; Terry, A.L.; Cejic, S.; Freeman, T.R.; Lizotte, D.; McKay, S.; Speechley, M.; Ryan, B.L. 2023. Understanding Data Provenance When Using Electronic Medical Records for Research: Lessons Learned From The Deliver Primary Healthcare Information (DELPHI) Database. International Journal of Population Data Science. 2023;8(5). https://ijpds.org/article/view/2177
- Freeman TR, Stewart M, Léger D, Jordan J, Copeland J, Hons I, Thind A, Ryan BL. Natural history of abdominal pain in family practice: Longitudinal study of electronic medical record data in southwestern Ontario. Can Fam Physician, 2023 May 1; 69 (5): 341-351, DOI: 10.46747/cfp.6905341.
- Fikree S, Hafid S, Lawson J, Agarwal G, Griffith LE, Jaakkimainen L, Mangin D, Howard M. The association between patients’ frailty status, multimorbidity, and demographic characteristics and changes in primary care for chronic conditions during the COVID-19 pandemic: a pre-post study. Fam Pract. 2023 Nov 23;40(4):523-530. PMID: 37624946. DOI: 10.1093/fampra/cmad089
- Theal R, Morkem R, Barber D, Queenan J, Kinsella L. Patterns of High vs. Standard Dose Flu Vaccinations in Canadian Primary Care: A Baseline Cohort Pilot Study. Ann Fam Med. 2023;21(Suppl 1):3998. PMCID: PMC10549402 doi: 10.1370/afm.21.s1.3998.
- Lees J, Theal R, Barber D, Herman C. (2023). Considerations for Creating a Restricted Data Environment with Complete Primary Care Electronic Medical Record Data. Ann Fam Med. 2023 January 2023, 21 (Supplement 1) 4084; DOI: https://doi.org/10.1370/afm.21.s1.4084
- Mangin D, Lamarche L, Oliver D, Blackhouse G, Bomze S, Borhan S, Carr T, Clark R, Datta J, Dolovich L, Gaber J, Forsyth P, et al. (2023). Health TAPESTRY Ontario: A Multi-Site Randomized Controlled Trial Testing Implementation and Reproducibility. Ann Fam Med. 2023 Mar-Apr;21(2):132-142. https://doi.org/10.1370/afm.2944 . PMID: 36973055; PMCID: PMC10042555.
Publications 2022
- Meaney C, Moineddin R, Kalia S, Aliarzadeh B, Greiver M. (2022). Using Primary Care Clinical Text Data and Natural Language Processing to Identify Indicators of COVID-19 in Toronto, Canada. PLOS Digit Health. 2022 Dec 7;1(12):e0000150. https://doi.org/10.1371/journal.pdig.0000150 . PMID: 36812606; PMCID: PMC9931279.
- O’Neill, B., Kalia, S., Hum, S. et al. (2022). Socioeconomic and immigration status and COVID-19 testing in Toronto, Ontario: retrospective cross-sectional study. BMC Public Health 22, 1067. https://doi.org/10.1186/s12889-022-13388-2
- Selick A, Durbin J, Hamdani Y, Rayner J, Lunsky Y. (2022). Accessibility of Virtual Primary Care for Adults With Intellectual and Developmental Disabilities During the COVID-19 Pandemic: Qualitative Study. JMIR Form Res. 2022 Aug 22;6(8):e38916. https://doi.org/10.2196/38916 . PMID: 35951444; PMCID: PMC9400841.
- Stephenson E, O’Neill B, Kalia S, Ji C, Crampton N, Butt DA, Tu K. (2022). Effects of COVID-19 pandemic on anxiety and depression in primary care: A retrospective cohort study. J Affect Disord. 2022 Apr 15;303:216-222. https://doi.org/10.1016/j.jad.2022.02.004 . Epub 2022 Feb 6. PMID: 35139415; PMCID: PMC8818125.
- Stephenson E, Tu K, Ji C, Butt , Crampton N, Gronsbell J, O’Neill B. (2022). Effects of COVID-19 pandemic on anxiety and depression in primary care: A cohort study in Ontario, Canada. Ann Fam Med. 2022 Apr 1;20(20 Suppl 1). https://doi.org/10.1370/afm.20.s1.2911 . PMID: 35947415.
- Stephenson E, Yusuf A, Gronsbell J, Tu K, Melamed O, Mitiku T, Selby P, O’Neill B. (2022). Disruptions in Primary Care among People with Schizophrenia in Ontario, Canada, During the COVID-19 Pandemic. Can J Psychiatry. 2022 Nov 30:7067437221140384. https://doi.org/10.1177/07067437221140384 . Epub ahead of print. PMID: 36453004; PMCID: PMC9720063.
- Tu K, Sarkadi Kristiansson R, Gronsbell J, de Lusignan S, Flottorp S, Goh LH, Hallinan CM, Hoang U, Kang SY, Kim YS, Li Z, et al., INTRePID. (2022). Changes in primary care visits arising from the COVID-19 pandemic: an international comparative study by the International Consortium of Primary Care Big Data Researchers (INTRePID). BMJ Open. 2022 May 9;12(5):e059130. https://doi.org/10.1136/bmjopen-2021-059130 . PMID: 35534063; PMCID: PMC9086267.
- Stephenson E, Butt DA, Gronsbell J, Ji C, O’Neill B, Crampton N, Tu K. (2021). Changes in the top 25 reasons for primary care visits during the COVID-19 pandemic in a high-COVID region of Canada. PLoS One. 2021 Aug 12;16(8):e0255992. https://doi.org/10.1371/journal.pone.0255992 . PMID: 34383844; PMCID: PMC8360367.
- Stephenson E, O’Neill B, Gronsbell J, Butt DA, Crampton N, Ji C, Kalia S, Meaney C, Tu K. (2021). Changes in family medicine visits across sociodemographic groups after the onset of the COVID-19 pandemic in Ontario: a retrospective cohort study. CMAJ Open. 2021 Jun 15;9(2):E651-E658. https://doi.org/10.9778/cmajo.20210005 . PMID: 34131028; PMCID: PMC8248562
- Wintemute K, Noor M, Bhatt A, Bloch G, Arackal S, Kalia S, Aliarzadeh B, La Tona S, Lo J, Pinto AD, Greiver M. (2021). Implementation of targeted screening for poverty in a large primary care team in Toronto, Canada: a feasibility study. BMC Fam Pract. 2021 Sep 30;22(1):194. https://doi.org/10.1186/s12875-021-01514-9 . PMID: 34592935; PMCID: PMC8483428.
PRESENTATIONS
Presentations 2024
- Allarakhia, S., Morra, A., Theal, R., Moloney, M., Gupta, S., To, T., Digby, G. C., Barber, D., Queenan, J., & Lougheed, M. D. Characterizing adult asthma: insights from the Canadian Primary Care Sentinel Surveillance Network. [Poster]. American Thoracic Society Meeting, 2024 May 20-22 2024 San Diego California, US.
- Donnelly, C., Nihal, S., Theal, R., Barber, D., Slater, M. Using electronic medical record data to examine interprofessional team members’ contributions to care. [Poster]. NAPCRG Annual Meeting 2024, November 20-24, 2024, Quebec, Canada
- Theal, R., Somers, A., Lees, J., & Barber, D. Implementation of a novel linkage of primary care electronic medical record data with hospital data in South-Eastern Ontario. [Oral]. NAPCRG Annual Meeting 2024, November 20-24, 2024, Quebec, Canada
- Kokorelias, K. M., Sharior, F., Pathiraja, H., Armstrong, J., Aubrey-Bassler, K., Barber, D., Beleno, R., Garies, S., Grandy, M., Greene, M., et al. Overcoming Challenges in Dyad Health Surveillance of Persons Living with Dementia and Caregiver Dyads. [Poster]. Canadian Association of Gerontology 2024, October 24-26 in Edmonton, Alberta, Canada
- Rayner, J., & Carr, M. The Team is In: Transforming Primary Care for Improved Access and Effectiveness. [Oral Keynote]. Trillium Primary Care Research Day, Toronto, Ontario, October 2024.
- Bhatti, S., Rayner, J. Health Promotion Activities in Ontario Community Health Centres. [Poster]. Trillium Primary Care Research Day, Toronto, Ontario, October 2024.
- Luo, K., Rayner, J., Lizotte, D., & Kueper, J. Describing Differences Across Place and Provider in Canadian Team Based Care Settings Using Electronic Health Records. [Poster]. NAPCRG, Quebec City, Quebec Canada November 2024.
- Donnelly, C., Rayner, J., Slater, M., & Bhatti, S. Quantifying the contribution of interprofessional health care providers in team-based primary care. [Poster]. NAPCRG, Quebec City, Quebec Canada November 2024.
- Howard, M., Freeman, K., Hafid, S., Carruthers, A., Lawson, J., Vanstone, M., Aubrey-Bassler, K., Nicholson, K., Drummond, N., Lussier, M. T. Effects of the COVID-19 pandemic on primary care for diabetes in Canada: Results from a mixed-methods study. [Distinguished Oral]. NAPCRG. Quebec City, Quebec, Canada. November 20-24, 2024.
- Singer, A., Garies S., Grandy, M., Jean-Xavier C., Manca, D., Kosowan, L., Kalia, S., Greiver, M., Harvey, K., Himasara Marasinghe, D., Dahrouge, S. SPIDER: a structured approach to quality improvement and deprescribing in older patients; preliminary results of the RCT. Presented at NAPCRG, Quebec City, Quebec Canada, November 2024.
- Bowen, J., Vukobradovic, A., Hung, J., Rayner, J., Bhatti, S., Pow, C., Mathew, S., Sissmore, D., Sissmore, M., Ranjan, A., et al. Community-Based Tele-Retina Screening for Diabetic Retinopathy Supported by Provincial Health-care Administrative Data. Presented at Diabetes Canada, Halifax, Nova Scotia, November 2024.
- Pham, J. Links2Wellbeing Social Prescribing for Older Adults. Presented at Trillium Primary Care Research Day, Toronto, Ontario, October 2024.
- Bhatti, S. Piloting the EQ-5D PROMs tool within Ontario Community Health Centres. Presented at Alberta PROMs and EQ-5D Research and Support Unit (APERSU), Edmonton, Alberta, Canada October 2024.
- McFarlane, M., Morra, A., Podgers, D., Barber, D., & Lougheed, M. D. Promoting evidence-based asthma care using digital knowledge translation tools – Impact of the Provider Asthma Assessment Form. Presented at the American Thoracic Society International Conference, San Diego, California, May 2024. Am J Respir Crit Care Med 2024; 209: A7023
- Morra, A., Allarakhia, S., Theal, R., Morkem, R., Moloney, M., Gupta, S., Digby, G., Queenan, J., Lougheed, M.D. Primary care of adults with asthma in Canada: Analysis of Canadian Primary Care Sentinel Surveillance Network (CPCSSN) data. Presented at the European Respiratory Society Congress, Vienna, Austria September 2024.
Presentations 2023
- Greiver, M., Beckles, M., Wood, B., Rayner, J., & Lawson, J. Information Governance for EMR data held by a Network of Networks in Ontario, Canada. [Oral]. NAPCRG Practice-Based Research Network Conference 2023. Bethesda, Maryland. May 31-June 1, 2023.
- APinto, A., Hohl, C., Daley, P., Hosseini,B, Greiver, M., & Costa, B. Canadian Adaptive Platform Trial of Treatments for COVID in Community Settings (CanTreatCOVID): protocol. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Beckles, M. Considerations for Building a Patient Advisory Committee for Practice-based Learning and Research Networks. [Poster]. Trillium PHC Research Day , Toronto Ontario, October 13, 2023.
- Carroll, J., Greiver, M., Kukan, S., Bearss, E., Walji, S., Moineddin, R., Aliarzadeh, B., Ivers, N., Kalia, S., Allanson, J., et al. An innovative family history strategy for primary care: a randomized controlled trial. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Bearss, E., Kukan, S., Walji, S., Aliarzadeh, B., Allanson, J., Gupta, K., Heisey, R., Kavanagh, D., Makuwaza, T., Morrison, S., et al. Patient views of an innovative family history strategy. [Oral]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Theal, R., Aman, J., Lees, J., & Barber, D. Peer-to-peer workshops to support disease management in patients with Type 2 Diabetes: A mix-methods pilot study. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Theal, R. & Barber, D. Psychotropic Prescribing Patterns for Primary Care Patients with Post-Traumatic Stress Disorder in South-Eastern Ontario. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Pinto, A., Adekoya, I., O’Rourke, J., Cooney, J., Katz, A., Howse, D., Jackson, L., Robinson, M., Kiran, T., Smithman, M.A., et al. Collecting social determinants data in Canadian primary care clinics: Lessons from the SPARK Implementation Study. [Oral]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Silva-Valencia, J. & Tu, K. Impact of COVID-19 Pandemic on Mental Health Visits: An interrupted time series across 9 INTRePID countries through Dec 2021. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Itanyi, I.U., Christie, C., D’Urzo, T., D’Urzo, K., Brar, G., & Tu, K. UTOPIAN Primary Care Severe Asthma Registry: e-Delphi results for registry definitions and indices of clinician behaviour. [Poster]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
- Tu, K. & Lapadula, M. Changes in Reasons for Visits to Primary Care as a Result of the COVID-19 Pandemic: by INTRePID. [Oral]. NAPCRG Annual Meeting. San Francisco, USA October 30-Nov 3, 2023.
Presentations 2022
- Ashcroft R, Donnelly C, Adamson K, Lam S, Hussain A, Rayner J, Mehta K, Sur D, Sheffield P, Feryn N, & Brown J. An Examination of Social Work Practice in Primary Care Teams across Ontario – A Mixed-Methods Study. NAPCRG Annual Meeting, Phoenix, USA. November 21, 2022. [Poster]
- Bhatti S, Bale S, & Rainer J. Using learning collaborative teams to address the cancer-screening backlog due to COVID-19. Trillium Primary Care Research Day. Toronto, Ontario. October 14, 2022. [Poster]
- Bhatti S, Rayner J, Bale S. ALLIANCE, Alliance for Healthier Communities. NAPCRG Practice-Based Research Network Conference. June 2, 2022.
- Greiver M, Beckles M, Lawson J, Rayner J, & Green M. POPLAR, the Primary care Ontario Practice-based Learning and Research Network. NAPCRG Practice-Based Research Network (PBRN) Conference. Bethesda, USA. June 3, 2022.
- Greiver M, Lawson J, Rayner J, Frymire E, Beckles M, & Green ME. POPLAR, the Primary Care Ontario Practice-Based Learning and Research Network. Health Services Research Association of Australia and New Zealand (HSRAANZ) Conference, Sydney, Australia. November 30, 2022. [Poster]
- Greiver M, Lizotte D, Seth P, Alarakhia M, Gronsbell J, Terry A, & Kavanagh D. Intelligent automation to improve chronic disease identification and coding in primary care: A Learning Health System approach. NAPCRG Annual Meeting. Phoenix, USA. November 21, 2022. [Poster]
- Greiver M, Rayner J, Beckles M, & Green ME. POPLAR, the Primary care Ontario Practice-based Learning and Research Network. NAPCRG Annual Meeting, Phoenix, USA. November 21, 2022. [Poster]
- Kueper J, Rayner J, Zwarenstein M, & Lizotte D. Using epidemiology and artificial intelligence to describe a complex primary care population in a learning health system. NAPCRG Annual Meeting, Phoenix, USA. November 19, 2022. [Oral]
- Musa R, Greiver M, O’Brien P, Froentjes L, Wang J, Goulet D, & Dahrouge S. SPIDER, A Structured Process Informed by Data, Evidence and Research-Network: expansion of the trial. NAPCRG Practice-Based Research Network (PBRN) Conference, Bethesda, USA. June 3, 2022.
- Rayner J & Pham J. Equity, Community and Trust: Building vaccine confidence with marginalized populations. NAPCRG Annual Meeting, Phoenix, USA. November 19, 2022. [Poster]
- Shuldiner J, Kim S, Ivers N, Greiver M, Kiran T, Thai K, & Cadotte A. Developing an Audit and Feedback dashboard for family physicians: a user-centered design process. NAPCRG Annual Meeting, Phoenix, USA. November 21, 2022. [Oral]