Table 1.
Characteristics of study sample
| Variables | N | % |
| Study site | 995 | 100.0 |
| Hospital A | 575 | 57.8 |
| Hospital B | 420 | 42.2 |
| Gender | 995 | 100.0 |
| Female | 656 | 65.9 |
| Male | 291 | 29.2 |
| Missing | 48 | 4.8 |
| Professional groups | 995 | 100.0 |
| Physician | 183 | 18.4 |
| Physicians’ assistant | 198 | 19.9 |
| Nurse | 552 | 55.5 |
| Other | 34 | 3.4 |
| Missing | 28 | 2.8 |
| Managerial functions | 995 | 100.0 |
| Yes | 195 | 19.6 |
| No | 759 | 76.3 |
| Missing | 41 | 4.1 |
| Contact with patients | 995 | 100.0 |
| Yes | 965 | 97.0 |
| No | 7 | 0.7 |
| Missing | 23 | 2.3 |
| Age (years) | 995 | 100.0 |
| <25 | 61 | 6.1 |
| 25–34 | 360 | 36.2 |
| 35–44 | 230 | 23.1 |
| 45–54 | 170 | 17.1 |
| >54 | 84 | 8.4 |
| Missing | 90 | 9.0 |