The results from the regression models where the main explanatory variables pre-GDL v restricted licence, and pre-GDL v full graduated licence, and the response variables were each of the four driving restrictions
| Driving restriction (response variable) | Odds ratio* | 95% confidence interval | p Value |
|---|---|---|---|
| *Adjusted for driver age and gender, and year of crash. | |||
| Pre-GDL v restricted licence | |||
| Night-time curfew (10pm to 5am) | 0.66 | 0.50 to 0.86 | 0.003 |
| Passengers (all ages) | 0.73 | 0.56 to 0.95 | 0.018 |
| Young casualties | 1.01 | 0.64 to 1.58 | 0.980 |
| Alcohol suspected | 0.72 | 0.54 to 0.98 | 0.034 |
| Pre-GDL v full graduated licence | |||
| Night-time curfew (10pm to 5am) | 0.77 | 0.60 to 0.99 | 0.042 |
| Passengers (all ages) | 0.98 | 0.77 to 1.26 | 0.887 |
| Young casualties | 0.96 | 0.64 to 1.44 | 0.838 |
| Alcohol suspected | 0.85 | 0.65 to 1.13 | 0.260 |