| Safety Variables | Levene test for equality of variances | t | Sig (2-tailed) |
| Safety Satisfaction and Feedback | 0.040 | −0.949 | 0.145 |
| Training and Competence | 0.011 | −0.180 | 0.405 |
| Safety Reporting and Investigation | 0.013 | −0.146 | 0.066 |
| Work Duties/Pressure | 0.507 | −0.515 | 0.054 |
| Management Commitment | 0.232 | 0.231 | 0.206 |
| Safety Communication | 0.001 | 0.720 | 0.060 |
| Emergency Response and Planning | 0.340 | −0.492 | 0.124 |