Table 3. Stepwise regression model adjusted for education.
| Tests | R2 | Regression coefficient | Standardized coefficient | p-values | |
|---|---|---|---|---|---|
| B | Standard error b | Beta | |||
| Total driving score | 0.568 | ||||
| (Constant) | 139.022 | 37.711 | 0.001 | ||
| RAVLT-Sum | -0.912 | 0.333 | -0.4277 | 0.007 | |
| Visuospatial | -4.646 | 2.610 | -0.28 | 0.085 | |
| Intersection | 0.501 | ||||
| (Constant) | 40 | 8.32 | <0.001 | ||
| RAVLT-Sum | -0.983 | 0.306 | -0.71 | 0.002 | |
| RAVLT-A7 | 1.798 | 0.920 | 0.432 | 0.059 | |
| Overtaking | 0.616 | ||||
| (Constant) | 59.911 | 14.013 | <0.001 | ||
| Visuospatial | -4.871 | 1.333 | -0.814 | 0.002 | |
| TDA | -0.042 | 0.026 | -0.244 | 0.108 | |
| Rain | 0.603 | ||||
| (Constant) | 26.726 | 5.751 | <0.001 | ||
| TDA | -0.076 | 0.028 | -0.482 | 0.010 | |
| TMT-A | -0.103 | 0.050 | -0.360 | 0.050 | |
| RAVLT-A7 | -0.766 | 0.344 | -0.375 | 0.033 | |
| Malfunction | 0.496 | ||||
| (Constant) | -47.860 | 18.881 | 0.017 | ||
| TMT-A | 0.132 | 0.049 | 0.490 | 0.010 | |
| Attention/Orientation | 1.969 | 0.949 | 0.362 | 0.047 | |
| Memory (ACE) | 0.506 | 0.281 | 0.298 | 0.076 | |
RAVLT-Sum: Rey auditory-verbal learning test, the sum from A1 to A5 lists; RAVLT-A7: Rey auditory-verbal learning test, delayed-recall list; TDA: Test of Divided Attention; TMT-A: Trail Making Test A; ACE: Addenbrooke’s Cognitive Evaluation. (P < 0.05 in bold)