Table 1.
Baseline characteristics of the cohorts of study population, COVID-19 positive cases and hospitalization associated with COVID-19 by CEV status.
| Study population | CEV Group 1 14,941 (100)a |
CEV Group 2 122,202 (100) |
CEV Group 3 174,675 (100) |
Non-CEV general population 4,081,457 (100) |
|---|---|---|---|---|
| Vaccination statusb | ||||
| Unvaccinated | 1001 (7) | 8199 (7) | 22,967 (13) | 285,729 (7) |
| 1 dose | 169 (1) | 1253 (1) | 2708 (2) | 112,004 (3) |
| 2 doses | 1747 (12) | 16,083 (13) | 34,062 (20) | 1,396,053 (34) |
| 3 doses | 12,024 (80) | 96,667 (79) | 114,938 (66) | 2,287,671 (56) |
| Median age (IQR) | 64 (23) | 64 (30) | 68 (33) | 45 (31) |
| Male (%) | 7925 (53) | 46,366 (38) | 907,12 (52) | 2,007,850 (49) |
| Among the vaccinated | 13,940 (100) | 114,003 (100) | 151,708 (100) | 3,795,728 (100) |
| Median (IQR) days since last doseb | 153 (137,173) | 147 (135,155) | 90 (67,133) | 91 (56,204) |
| Last dose as Moderna | 8214 (59) | 69,549 (61) | 80,732 (53) | 1,770,931 (47) |
| Health authority | ||||
| Fraser | 4705 (34) | 38,419 (34) | 53,910 (36) | 1,392,222 (37) |
| Interior | 2564 (18) | 22,461 (20) | 30,859 (20) | 578,126 (15) |
| Northern | 734 (5) | 5988 (5) | 10,545 (7) | 186,952 (5) |
| Vancouver Coastal | 3327 (24) | 24,149 (21) | 27,662 (18) | 989,724 (26) |
| Vancouver Island | 2604 (19) | 22,950 (20) | 28,676 (19) | 640,581 (17) |
| Unspecified | 6 (<1) | 36 (<1) | 55 (<1) | 8122 (<1) |
| COVID-19 positive cases | CEV Group 1 560 (100) |
CEV Group 2 2316 (100) |
CEV Group 3 2715 (100) |
Non-CEV general population 34,993 (100) |
|---|---|---|---|---|
| Vaccination status | ||||
| Unvaccinated | 28 (5) | 155 (7) | 321 (12) | 4278 (12) |
| 1 dose | 5 (1) | 42 (2) | 55 (2) | 777 (2) |
| 2 doses | 102 (18) | 438 (19) | 1003 (37) | 17,608 (50) |
| 3 doses | 425 (76) | 1681 (73) | 1336 (49) | 12,330 (35) |
| Median age (IQR) | 64 (23) | 64 (30) | 68 (33) | 45 (31) |
| Male (%) | 309 (55) | 956 (41) | 1290 (48) | 13,353 (38) |
| Hospitalisations associated with COVID-19 | CEV Group 1 188 (100) |
CEV Group 2 368 (100) |
CEV Group 3 597 (100) |
Non-CEV general population 2447 (100) |
|---|---|---|---|---|
| Vaccination status | ||||
| Unvaccinated | 13 (7) | 54 (15) | 132 (22) | 807 (33) |
| 1 dose | 3 (2) | 17 (5) | 20 (3) | 105 (4) |
| 2 doses | 39 (21) | 90 (24) | 236 (40) | 970 (40) |
| 3 doses | 133 (71) | 207 (56) | 209 (35) | 565 (23) |
| Median age (IQR) | 68 (13) | 70 (20) | 73 (22) | 67 (36) |
| Male (%) | 113 (60) | 181 (49) | 332 (56) | 1251 (51) |
a
Note: Number of individuals (and percent of cohort) are reported unless otherwise indicated.
b
Status as of March 14, 2022.