| N (3556) | RR (95% CI) | |
| Properly rear seated | Use car seat or seatbelt | |
Age (years) |
|
|
|
≤8 | 2391 | 0.349 (0.294, 0.415)** | 0.715 (0.616, 0.831)** |
>9 | 1165 | Ref | Ref |
Gender |
|
|
|
Boy | 1712 | 1.088 (0.940, 1.259) | 0.945 (0.823, 1.086) |
Girl | 1844 | Ref | Ref |
Relationship with driver |
|
|
|
Parent | 3427 | 0.841 (0.569, 1.243) | 1.303 (0.895, 1.896) |
Not parent | 129 | Ref | Ref |
Driver’s education |
|
|
|
≥College | 2245 | 1.318 (1.126, 1.544)** | 1.024 (0.882, 1.189) |
| 1311 | Ref | Ref |
Family income (RMB/year) |
|
|
|
≥10 w | 2144 | 1.272 (1.091, 1.483)** | 1.014 (0.876, 1.173) |
<10 w | 1412 | Ref | Ref |
Understanding about car seat |
|
|
|