Table 1. Observed number of people injured on the road before and after law allowing experienced car drivers to drive light motorcycles, versus number expected had the law not been passed, by type of vehicle, Barcelona, Spain, 1 January 2002 to 30 April 2008.
| Period | Motorcycle |
Moped |
Car |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Light (EC 51–125 cc) |
Heavy (EC > 125 cc) |
(EC ≤ 50 cc) |
|||||||||
| No. | Monthly mean | No. | Monthly mean | No. | Monthly mean | No. | Monthly mean | ||||
| Pre-law | |||||||||||
| Jan.–Sep. 2002 | 956 | 106.2 | 870 | 99.7 | 1 937 | 215.2 | 3 404 | 378.2 | |||
| Oct. 2002–Sep. 2003 | 1 312 | 109.3 | 1 114 | 92.8 | 2 700 | 225.0 | 4 466 | 372.2 | |||
| Oct. 2003–Sep. 2004 | 1 183 | 98.6 | 1 146 | 95.5 | 2 413 | 201.1 | 3 933 | 327.8 | |||
| Total | 3 451 | 104.6 | 3 130 | 94.7 | 7 050 | 213.6 | 11 803 | 357.7 | |||
| Post-law | |||||||||||
| Oct. 2004–Sep. 2005 | 1 482 | 123.5 | 1 352 | 112.7 | 2 267 | 188.9 | 3 805 | 317.1 | |||
| Oct. 2005–Sep. 2006 | 1 731 | 144.3 | 1 488 | 124.0 | 2 023 | 168.6 | 3 421 | 285.1 | |||
| Oct. 2006–Sep. 2007 | 2 119 | 176.6 | 1 487 | 123.9 | 2 006 | 167 | 3 130 | 260.8 | |||
| Oct. 2006–Apr. 2008 | 1 301 | 185.9 | 902 | 128.9 | 1 221 | 174.4 | 1 592 | 227.4 | |||
| Total | 6 633 | 154.3 | 5 259 | 121.6 | 7 517 | 174.8 | 11 948 | 277.9 | |||
| Expected no. (95% CI) | 4 534 | NA | 4 038 | NA | 8 217 | NA | 11 267 | NA | |||
| (3 849–5 218) | (3 881–5 115) | (7 246–9 188) | (10 028–12 507) | ||||||||
| No. observed minus no. expected (95% CI) | 2 099 | NA | 691 | NA | –700 | NA | 681 | NA | |||
| (1 418–2 784) | (34–1 348) | (–1 261–271) | (–559–1 920) | ||||||||
CI, confidence interval; EC, engine capacity; NA, not applicable.