Baseline characteristics of 41 208 physicians who practised in Ontario in 2020
| Characteristic | No. (%)* of physicians n = 41 208 |
|---|---|
| Age, yr, mean ± SD | 46.6 ± 14.1 |
| < 40 | 15956 (38.7) |
| 40–59 | 16422 (39.9) |
| ≥ 60 | 8830 (21.4) |
| Sex | |
| Male | 23102 (56.1) |
| Female | 18106 (43.9) |
| Residence† | |
| Urban | 39265 (95.3) |
| Rural | 1758 (4.3) |
| Missing | 185 (0.4) |
| Local Health Integration Network‡ | |
| Toronto Central | 9934 (24.1) |
| Central | 5323 (12.9) |
| Champlain | 5185 (12.6) |
| Hamilton Niagara Haldimand Brant | 4292 (10.4) |
| Mississauga Halton | 3372 (8.2) |
| South West | 3343 (8.1) |
| South East | 1868 (4.5) |
| Central East | 1774 (4.3) |
| Waterloo Wellington | 1441 (3.5) |
| North East | 1251 (3.0) |
| Erie St. Clair | 1121 (2.7) |
| North Simcoe Muskoka | 974 (2.4) |
| Central West | 738 (1.8) |
| North West | 592 (1.4) |
| Specialty | |
| Family medicine | 18553 (45.0) |
| Surgical | 4393 (10.7) |
| Internal medicine | 3499 (8.5) |
| Anesthesia | 1295 (3.1) |
| Emergency | 478 (1.2) |
| Cardiology | 363 (0.9) |
| Infectious diseases | 67 (0.2) |
| Postgraduate medical trainee | 4125 (10.0) |
| Other specialty | 6462 (15.7) |
| Missing | 1973 (4.8) |
| Provided care in a long-term care home | |
| No | 38918 (94.4) |
| Yes | 2290 (5.6) |
| Medical school location | |
| Canada | 27479 (66.7) |
| International | 13729 (33.3) |
| Years since medical school graduation, mean ± SD | 20.6 ± 14.3 |
| Hospital admissions§ | |
| ≥ 1 | 15750 (38.2) |
| Charlson Comorbidity Index§ | |
| Mean score ± SD | 0.1 ± 0.5 |
| 0 | 13942 (88.5) |
| ≥ 1 | 1808 (11.5) |
Note: CPSO = College of Physicians and Surgeons of Ontario, SD = standard deviation.
↵* Unless otherwise specified.
↵† Rural defined as residing in a location with a population of < 10 000 individuals.
↵‡ Residence within Local Health Integration Network regions as defined by the Ontario Ministry of Health. Physician’s residential location may not coincide with their practice location. For a map, see https://www150.statcan.gc.ca/n1/pub/82-003-x/2015003/article/14144/c-g/fig1-eng.htm.
↵§ Calculated using all hospital admission records in the 5-year period before the study entry date. We defined the study entry date as Jan. 25, 2020, for physicians registered in CPSO by this date, and for those who registered after Jan. 25, 2020, the CPSO registration date was used as the study entry date.