Sample characteristics in the two waves of the COVID-19 pandemic
| Variables | First wave | Second wave | P value |
| N | 376 | 406 | |
| Age, mean (SD) | 44.46 (11.82) | 44.33 (11.14) | 0.92 |
| Experience (years), mean (SD) | 18.26 (12.60) | 19.62 (12.16) | 0.09 |
| Female/male, n (%) | 251/125 (33.2/66.8) | 288/118 (29.1/70.9) | 0.22 |
| Physicians*, n (%) | 258 (68.6) | 236 (58.1) | 0.003 |
| Internists | 94 (36.4) | 89 (37.7) | 0.78 |
| Intensive care professionals | 40 (15.5) | 65 (27.5) | 0.001 |
| Anaesthesiologists | 41 (15.9) | 62 (26.3) | 0.005 |
| Emergency medicine | 28 (10.9) | 23 (9.7) | 0.77 |
| Surgical profession | 35 (13.6) | 23 (9.7) | 0.21 |
| Nurses, n (%) | 70 (18.6) | 129 (31.8) | <0.001 |
| Working at units for patients with COVID-19, n (%) | 105 (27.9) | 128 (31.5) | 0.27 |
| Contact with patients with COVID-19, n (%) | 115 (30.6) | 310 (76.4) | <0.001 |
Mann-Whitney U test was performed for the continuous variables (ie, age, experiences), and Fisher’s exact test for categorical variables.
P values indicating significant differences are printed in bold.
*The total number of physicians does not add up to the sum of job specialties, as while several physicians indicated more than one specialty, some did not indicate specialty at all.