Adjusted ORs (95% CI) for individual road rule violations among electric bikers observed in Zhangjiagang (rural district)*
| Riding opposite direction | Carrying passengers | Carrying large cargo | Running red lights | Riding in a motor vehicle lane | Mobile phone use | |
|---|---|---|---|---|---|---|
| N=3220 | N=2139 | N=1058 | N=648 | N=141 | N=116 | |
| Weather | ||||||
| Sunny | 0.75 (0.54 to 1.05) | 0.93 (0.57 to 1.53) | 0.92 (0.54 to 1.55) | 0.14 (0.01 to 2.19) | 0.64 (0.09 to 4.39) | 1.35 (0.05 to 37.20) |
| Cloudy | Reference | |||||
| Weekday | ||||||
| Yes | 0.78 (0.56 to 1.08) | 0.46 (0.28 to 0.75) | 0.53 (0.31 to 0.88) | 1.86 (0.12 to 28.19) | 1.91 (0.32 to 11.50) | 1.16 (0.04 to 36.12) |
| No | Reference | |||||
| Time of day | ||||||
| Morning | 1.15 (0.90 to 1.48) | 0.86 (0.59 to 1.25) | 0.87 (0.59 to 1.30) | 4.83 (0.58 to 40.31) | 0.86 (0.19 to 3.99) | 0.80 (0.06 to 10.56) |
| Afternoon | Reference | |||||
| Volume | ||||||
| Basic | 1.15 (0.88 to 1.51) | 1.04 (0.69 to 1.56) | 0.97 (0.63 to 1.49) | 0.11 (0.01 to 1.11) | 0.35 (0.08 to 1.62) | 2.55 (0.14 to 47.09) |
| Low | Reference | |||||
| Traffic control | ||||||
| Yes | 1.86 (1.36 to 2.54) | 1.33 (0.84 to 2.12) | 1.97 (1.20 to 3.21) | 0.03 (0.00 to 0.39) | 0.05 (0.01 to 0.40) | 1.26 (0.06 to 25.40) |
| No | Reference | |||||
| Gender | ||||||
| Male | 0.89 (0.81 to 0.97) | 1.17 (1.05 to 1.29) | 1.14 (0.99 to 1.30) | 1.32 (1.11 to 1.57) | 1.13 (0.80 to 1.60) | 1.75 (0.14 to 22.54) |
| Female | Reference | |||||
| Courier | ||||||
| Yes | 0.71 (0.36 to 1.41) | Not estimable | 11.06 (6.05 to 20.23) | 1.07 (0.37 to 3.12) | 2.67 (0.62 to 11.53) | Not estimable |
| No | Reference | |||||
| Registrations | ||||||
| Yes | 0.86 (0.78 to 0.93) | 0.76 (0.68 to 0.84) | 0.87 (0.76 to 0.99) | 1.03 (0.86 to 1.22) | 0.59 (0.40 to 0.88) | 0.98 (0.08 to 11.86) |
| No | Reference | |||||
| Pedals | ||||||
| Yes | 0.92 (0.84 to 1.00) | 0.78 (0.71 to 0.87) | 0.44 (0.38 to 0.50) | 0.91 (0.77 to 1.08) | 0.95 (0.67 to 1.34) | 0.99 (0.09 to 11.53) |
| No | Reference | |||||
*ORs were adjusted for observational items in table 1 (significant results are highlighted in italics).