Table 3.
Comparison of CS, UFOV, and Neuropsychological performance in safe and Marginal Drivers
| Safe drivers n = 14 | Marginal drivers n = 11 | t-Value | p-Value | Eta square | |||
|---|---|---|---|---|---|---|---|
| Mean | S.D. | Mean | S.D. | ||||
| Backwards masking | 41.8 | 15.9 | 52.0 | 9.1 | –2.0 | 0.06 | 0.15 |
| Pelli Robson | Range 1.1-1.7 | Range 1.4–1.7 | χ2 = 7.3 | 0.20 | |||
| UFOV I | 45.5 | 63.2 | 73.6 | 63.1 | –1.1 | 0.28 | 0.05 |
| UFOV II | 117.2 | 105.8 | 191.5 | 125.2 | –1.6 | 0.12 | 0.10 |
| UFOV III | 246.8 | 99.9 | 349.6 | 124.6 | –2.3 | 0.03 | 0.19 |
| Trails A | 30.4 | 6.1 | 36.9 | 10.6 | –1.9 | 0.07 | 0.14 |
| Trails B | 68.5 | 22.4 | 109.5 | 60.4 | –2.4 | 0.03 | 0.20 |
| Rey-O Presence/Accuracy | 6.4 | 1.6 | 5.9 | 1.4 | 2.6 | 0.02 | 0.23 |
| Rey-O Organization/Planning | 17.9 | 1.5 | 15.7 | 2.6 | 0.7 | 0.47 | 0.02 |