Table 3.
Logistic regression models of neuropsychological tests and driver screening tests as predictors of OT On-Road Test Safety Rating in the full sample
| Models including all variables | ||||
| Measure | Model 1 | Model 2 | ||
| Beta | p-value | Beta | p-value | |
| CVLT Delayed Recall | –0.06 (0.09) | 0.51 | 0.04 (0.09) | 0.65 |
| Boston naming | –0.05 (0.09) | 0.56 | –0.08 (0.09) | 0.40 |
| Digits Backwards | –0.00 (0.00) | 0.11 | –0.00 (0.00) | 0.10 |
| BVRT (Copy) | –0.10 (0.15) | 0.52 | –0.16 (0.16) | 0.32 |
| COWAT | –0.03 (0.02) | 0.11 | –0.01 (0.02) | 0.65 |
| Trail Making Test B (s) | 0.00 (0.00) | 0.68 | 0.00 (0.00) | 0.95 |
| Stroop Color Word Test (s) | 0.01 (0.01) | 0.30 | 0.00 (0.01) | 0.68 |
| UFOV® Score (ms) | 0.00 (0.00) | 0.27 | ||
| Multi-D | 2.35 (0.81) | <0.01** | ||
| DriveSafe Score | –0.03 (0.02) | 0.12 | ||
| DriveSafe Intersections | –0.22 (0.17) | 0.20 | ||
| 14-Item Road Law | 0.01 (0.06) | 0.82 | ||
| Maze Test Time (s) | –1.09 (1.88) | 0.56 | ||
| Forward selection of best fitting model | ||||
| Age | –0.13 (0.05) | <0.01** | ||
| DriveSafe Score | –0.04 (0.02) | 0.02* | ||
| Multi-D | 1.78 (0.78) | 0.02* | ||
*p < 0.05, **p < 0.01. Model 1 and 2 Results adjusted for age and gender. Note cut-off on ORT was 1–3/4–10 for unsafe/safe. CVLT, California Verbal Learning Test Immediate Recall; BVRT, Benton Visual Retention Test; COWAT, Controlled Oral Word Association Test; UFOV®, Useful Field of View. Bold indicates are p-values.