Place of inspection | Suburban roads | 0.67 | 0.45 to 0.97 | 0.04 |
| Main road | 1.00 | | |
| Highways | 6.25 | 4.35 to 9.09 | 0.0001 |
Day of inspection | Weekday | 1.00 | | |
| Weekend | 0.65 | 0.43 to 0.95 | 0.03 |
Time of inspection | Day | 1.00 | | |
| Night | 0.68 | 0.48 to 0.98 | 0.04 |
Gender and position of the TWMV rider | Male driver | 1.00 | | |
| Male passenger | 0.36 | 0.14 to 0.93 | 0.04 |
| Female driver | 1.96 | 0.99 to 4.00 | 0.05 |
| Female passenger | 0.66 | 0.29 to 1.47 | 0.31 |
Age | 10 years more | 1.18 | 0.95 to 1.45 | 0.14 |
TWMV power capacity | 1 category more | 1.52 | 1.30 to 1.75 | 0.0001 |
Consider helmet useful | Yes | 2.13 | 1.35 to 3.33 | 0.001 |
| No | 1.00 | | |
Driving licence | Yes | 1.59 | 0.73 to 3.45 | 0.25 |
| No | 1.00 | | |
Issue year of the driving licence | 1 year more | 1.00 | 0.97 to 1.03 | 0.94 |