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

Michelle Howard   ¹ , PhD ;   Kris Aubrey-Bassler   ² , MD ;   Neil Drummond   ³ , PhD ;   Marie-Thérèse Lussier   ⁴ , BSc, MSc, MD ;   John A Queenan   ⁵ , PhD ;   Meredith Vanstone   ¹ , PhD ;   Kathryn Nicholson   ^{1, 6} , PhD ;   Amanda Ramdyal   ¹ , MD ;   Jennifer Lawson   ¹ , MLIS, MSc ;   Shuaib Hafid   ¹ , MPH ;   Karla Freeman   ¹ , MSc ;   Rebecca Clark   ¹ , MSc ;   Dee Mangin   ¹ , MBCHB, DPH

¹ Department of Family Medicine, McMaster University, Hamilton, ON, Canada

² Primary Healthcare Research Unit, Memorial University of Newfoundland, St. John's, NL, Canada

³ Department of Family Medicine, University of Alberta, Edmonton, AB, Canada

⁴ Département de médecine de famille et de médecine d’urgence, Université de Montréal, Montréal, QC, Canada

⁵ Department of Family Medicine, Queen's University, Kingston, ON, Canada

⁶ Department of Epidemiology and Biostatistics, Western University, London, ON, Canada