Table 1.
Self-reported source of infection by period and characteristics of healthcare workers participating to the survey (March 2020 to May 2021)
| Self-reported perceived source of infection | ||||||||
|---|---|---|---|---|---|---|---|---|
| At work a | At home | Other or unknown | ||||||
| Total | Total at work | By patient | By coworker | Unknown (by patient or coworker) | ||||
| N (col %) | N (line %) | line % | line % | line % | N (line %) | N (line %) | P b | |
| Overall | 11,670 | 9,067 (77.7) | 29.9 | 9.5 | 38.3 | 1,223 (10.5) | 1,380 (11.8) | |
| Pandemic wave | <.01 | |||||||
| 1 (March–July 2020) | 4,542 (38.9) | 4,144 (91.2) | 33.7 | 9.8 | 47.8 | 175 (3.9) | 223 (4.9) | |
| 2 (July 2020–March 2021) | 6,701 (57.4) | 4,754 (70.9) | 28.2 | 9.4 | 33.3 | 909 (13.6) | 1,038 (15.5) | |
| 3 (March–May 2021) | 427 (3.7) | 169 (39.6) | 14.8 | 8.9 | 15.9 | 139 (32.6) | 119 (27.9) | |
| Period c | <.01 | |||||||
| Prevaccination | 9,848 (84.4) | 7,959 (80.8) | 30.5 | 9.7 | 40.7 | 855 (8.7) | 1,034 (10.5) | |
| Since-vaccination started | 1,208 (10.4) | 669 (55.4) | 33.4 | 8.8 | 29.3 | 69 (11.2) | 106 (17.3) | |
| Age of healthcare worker | 0.10 | |||||||
| 18–39 | 5,269 (45.2) | 4,047 (76.8) | 29.7 | 9.2 | 37.9 | 559 (10.6) | 663 (12.6) | |
| 40–59 | 5,630 (48.2) | 4,410 (78.3) | 30.3 | 9.5 | 38.5 | 612 (10.9) | 608 (10.8) | |
| ≥60 | 771 (6.6) | 610 (79.1) | 27.8 | 12.1 | 39.3 | 52 (6.7) | 109 (14.1) | |
| Type of employment | <.01 | |||||||
| Admin/management | 968 (8.3) | 564 (58.3) | 6.0 | 21.8 | 30.5 | 204 (21.1) | 200 (20.7) | |
| Nurse/nurse assistants | 3,424 (29.3) | 2,891 (84.4) | 35.6 | 7.9 | 41.0 | 263 (7.7) | 270 (7.9) | |
| Patient support assistant | 3,524 (30.2) | 3,055 (86.7) | 42.1 | 5.8 | 38.8 | 168 (4.8) | 301 (8.5) | |
| Housekeeping | 416 (3.6) | 339 (81.5) | 19.5 | 8.7 | 53.4 | 29 (7.0) | 48 (11.5) | |
| Physician | 418 (3.6) | 319 (73.6) | 29.2 | 8.6 | 38.5 | 54 (12.9) | 45 (10.8) | |
| Psychosocial worker | 355 (3.0) | 204 (57.5) | 17.2 | 12.4 | 27.9 | 80 (22.5) | 71 (20.0) | |
| Other | 2,565 (22.0) | 1,695 (66.1) | 18.0 | 12.1 | 36.0 | 425 (16.6) | 445 (17.4) | |
| Working experience | <.01 | |||||||
| 2,054 (17.6) | 1,655 (80.6) | 31.4 | 7.6 | 41.6 | 163 (7.9) | 236 (11.5) | ||
| ≥1 year | 9,607 (82.3) | 7,403 (77.1) | 29.5 | 10.0 | 37.6 | 1,060 (11.0) | 1,144 (11.9) | |
| Facility | <.01 | |||||||
| Acute-care hospital | 3,838 (32.9) | 2,998 (78.1) | 26.3 | 10.7 | 41.1 | 424 (11.1) | 416 (10.8) | |
| Long-term care facility | 3,715 (31.8) | 3,342 (90.0) | 38.0 | 6.8 | 45.1 | 140 (3.8) | 233 (6.3) | |
| Private seniors’ residences | 1,242 (10.6) | 1,014 (81.6) | 37.0 | 10.0 | 34.7 | 77 (6.2) | 151 (12.2) | |
| Health centers/clinics | 1,254 (10.7) | 689 (54.9) | 18.5 | 11.0 | 25.4 | 278 (22.2) | 287 (22.9) | |
| Other assisted residences | 380 (3.3) | 287 (75.5) | 34.5 | 10.5 | 30.5 | 43 (11.3) | 50 (13.2) | |
| Rehabilitation centers | 348 (3.0) | 227 (65.2) | 23.3 | 12.4 | 29.6 | 63 (18.1) | 58 (16.7) | |
| Other facilities | 893 (7.7) | 510 (57.1) | 17.9 | 11.4 | 27.8 | 198 (22.2) | 185 (20.7) | |
a
Total at work is the sum of by patient, by coworker, and unknown (by patient of coworker).
b
Chi-square test comparing the five mutually exclusive self-reported sources of infection.
c
Prevaccination period: from March to December 2020; post-vaccination period: from February to May 2021.