From: Risk factors of bicycle traffic injury among middle school students in chaoshan rural areas of china
Whether bicycle injuries occurred | ||||
---|---|---|---|---|
Yes (n) | No (n) | Prevalence of injury (%) | P | |
Periodic maintenance of bicycle | 0.593 | |||
Yes | 51 | 118 | 30.2 | |
No | 537 | 1368 | 28.2 | |
Bicycle age | 0.398 | |||
<3 months | 73 | 151 | 32.6 | |
3 ~ 6 months | 72 | 167 | 30.1 | |
6 ~ 12 months | 91 | 242 | 27.3 | |
>12 months | 352 | 927 | 27.5 |