Correlation matrix of the mean factor scores from the 30 questionnaire items
| Workload | Communication | Leadership | Teamwork | Safety systems | |
| Workload | 1.00 | 0.33 | 0.37 | 0.45 | 0.35 |
| Communication | 1.00 | 0.42 | 0.70 | 0.64 | |
| Leadership | 1.00 | 0.55 | 0.39 | ||
| Teamwork | 1.00 | 0.63 | |||
| Safety systems | 1.00 |