| Occupationally Related Characteristics | No. | % |
| Work-related variables | ||
| Years of Experience | ||
| 1–6 Years | 109 | 64.1 |
| 7–10 | 31 | 18.2 |
| 11–15 | 24 | 14.1 |
| ≥ 16 years | 6 | 3.5 |
| Interest in the job | ||
| Very little | 5 | 2.9 |
| Little | 25 | 14.7 |
| Very much | 92 | 54.1 |
| Much | 48 | 28.2 |
| Working hours/week | ||
| ≥ 16 | 24 | 14.1 |
| ≤ 40 | 24 | 14.1 |
| ➢ 40 | 122 | 71.8 |
| Shift working hours | ||
| 8 hours | 168 | 98.8 |
| 12 hours | 2 | 1.2 |
| Number of Sleeping hours | ||
| ≥ 8 | 53 | 31.2 |
| 8 | 117 | 68.8 |
| First job in critical care | ||
| Yes | 153 | 90.0 |
| No | 17 | 10.0 |
| Time working in critical care (n = 153) | ||
| > 5 years | 80 | 47.1 |
| ≤ 5 years | 73 | 42.9 |
| Work rhythm (n = 153) | ||
| Night or day | 96 | 62.7 |
| Night versus day | 57 | 37.3 |
| Wish to change department | ||
| Yes | 35 | 20.6 |
| No | 135 | 79.4 |
| Work-related health | ||
| ≥ 1 sick leave during the last 12 months | 98 | 57.6 |
| At least one sick leave in the last 12 months | 72 | 42.4 |
| Physical activity and lifestyle | ||
| Regular sport activity | ||
| Yes | 37 | 21.8 |
| No | 133 | 78.2 |
| Smoker | ||
| Yes | 5 | 2.9 |
| No | 165 | 97.1 |
| Consumption of coffee | ||
| Yes | 121 | 71.2 |
| No | 49 | 28.8 |
| If yes number of cups of coffee per day (n = 121) | ||
| 4 cups of coffee per day | 109 | 90.1 |
| > 4 cups of coffee per day | 12 | 9.9 |