Demographic characteristic of the study population
| Baseline 484 (100%) | 12 month follow-up 287 (59.3%) | |
| Age, mean (SD, min–max) | 44.9 (9.7, 24–65) | 45.6 (9.1, 25–64) |
| Gender, female n (%) | 377 (77.9) | 221 (77.0) |
| Married/partner n (%) | 362 (74.8) | 215 (74.9) |
| Profession n (%) | ||
| Nurse | 392 (81.0) | 229 (79.8) |
| Physician | 43 (8.9) | 29 (10.1) |
| Leader | 49 (10.1) | 29 (10.1) |
| Years of professional experience, mean (SD, min–max) | 19.3 (9.5, 2–42)* | 19.8 (9.1, 2–40)† |
| Previous ICU work experience n (%) | 444 (91.7) | 269 (93.7) |
| Self-reported previous symptoms of anxiety n (%) | 78 (16.1) | 46 (16.0) |
| Self-reported previous symptoms of depression n (%) | 97 (20.0) | 65 (22.6) |
| Risk factors for serious COVID-infection n (%) | 65 (13.4) | 40 (13.9) |
| Changed job n (%) | 6 (1.2) | 14 (4.9) |
| Vaccinated n (%) | – | 275 (95.8) |
| Self-reported COVID-19 infection n (%) | 0 (0) | 3 (1) |
*Data missing for three participants
†Data missing for one participant.
ICU, intensive care unit.