Performance of healthy and unhealthy drivers on the divided attention part of the OMEDA task
| Healthy | Cold | χ2 | Significance p value | |
| Missed collisions | 6% | 5% | 0.122 | 0.727 |
| Detected collisions | 27% | 22% | 3.67 | 0.012 |
| Correct misses | 35% | 27% | 5.32 | 0.002 |
| False hits | 31% | 27% | 0.971 | 0.325 |
| Divided attention error | 0.34% | 1.68% | 2.87 | 0.014 |