From: Bicycle helmet use and bicycling-related injury among young Canadians: an equity analysis
Socio-demographic characteristic | Crude relative risk | Adjusted relative risk | ||||
---|---|---|---|---|---|---|
 | No. | % Injured | RR[3] | 95% CI | RR[4] | 95% CI |
Sex | Â | Â | Â | Â | Â | Â |
Female | 310 | 3.4 | 1.00 | Â | 1.00 | Â |
Male | 671 | 6.9 | 2.13 | [1.85-2.46] | 2.02 | [1.78-2.30] |
Age | Â | Â | Â | Â | Â | Â |
≥ 15 yrs | 429 | 6.4 | 1.00 |  | 1.00 |  |
13-14 yrs | 362 | 4.9 | 0.77 | [0.66-0.90] | 0.77 | [0.66-0.90] |
< 13 yrs | 188 | 4.0 | 0.62 | [0.53-0.78] | 0.62 | [0.51-0.76] |
Socioeconomic Status | Â | Â | Â | Â | Â | Â |
Above Average | 542 | 5.1 | 1.00 | Â | Â | Â |
Average | 314 | 5.2 | 1.01 | [0.88–1.16] |  |  |
Below Average | 84 | 5.2 | 0.99 | [0.79-1.25] | Â | Â |
Urban–rural Geographic Location |  |  |  |  |  |  |
Large urban | 307 | 5.1 | 1.00 | Â | Â | Â |
Medium urban | 189 | 4.7 | 1.01 | [0.79-1.30] | Â | Â |
Small Town | 442 | 5.5 | 1.10 | [0.89-1.37] | Â | Â |
Rural | 42 | 5.9 | 1.21 | [0.79-1.85] | Â | Â |
Years in Canada | Â | Â | Â | Â | Â | Â |
Born in Canada | 654 | 4.9 | 1.00 | Â | 1.00 | Â |
Immigrant > 5 yrs | 267 | 5.9 | 1.23 | [1.06-1.42] | 1.14 | [0.98-1.32] |
Immigrant ≤ 5 yrs | 50 | 6.9 | 1.43 | [1.07-1.93] | 1.35 | [1.00-1.82] |