1 = Male
2 = Female

0 = None
1 = Provisional
2 = Full

1 = Not at all important
2 = Not very important
3 = Somewhat important
4 = Quite important
5 = Very important

1 = 18-19
2 = 20-23
3 = 24+

1 = No full licence
2 = Full driving licence

1 = Up to 14
2 = Over 14

1 = Up to 21
2 = Over 21