Difference in scores in the tests without and with full personal protective equipment (FPPE)
| Test | Variable | Without FPPE | With FPPE | Test statistic | P value |
| PVT | Average reaction time | 0.5229 s | 0.5742 s | 165 | <0.001 |
| PVT | Minimum reaction time | 0.4002 s | 0.4322 s | 283 | <0.001 |
| PVT | Maximum reaction time | 0.9875 s | 1.2211 s | 505 | >0.05 |
| PVT | Average no of false responses | 0.22 | 0.36 | 227 | <0.001 |
| SST | Time to complete test | 40.838 s | 49.559 s | 240 | <0.001 |
| SST | Average no of errors | 1.04 | 1.38 | 271 | <0.001 |
PVT, psychomotor vigilance test; SST, serial sevens test.