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General characteristics of the subjects.
| Subjects | n(%) or mean ± SD |
|---|---|
| Total number of subjects | 470 |
| Female/Male | 232/238 |
| Age, y | 33.3±7.6 |
| Job description | |
| Physicians | 85 (18.1) |
| Nurses | 134 (28.5) |
| Healthcare assistants | 53 (11.3) |
| Paramedics | 44 (9.4) |
| Medical secretaries | 47 (10.0) |
| Auxillary staff members | 107 (22.8) |
| Field of work | |
| Emergency department | 90 (19.1) |
| Cardiology | 103 (21.9) |
| Chest disease | 178 (37.9) |
| Internal medicine | 99 (21.1) |
