Moderate to Serious | Mild | Odds Ratio (95% CI) | |
---|---|---|---|
n* = 592 (49.7%) | n* = 599 (50.3%) | ||
< 16 yrs-crude | 350 (59.1%) | 363 (60.6%) | 0.94 (0.75, 1.19) |
<16 yrs-adjusteda | 1.45 (1.19, 1.77) | ||
Male | 422 (70.5%) | 421 (71.1%) | 1.03 (0.80, 1.33) |
Driver | 325 (54.9%) | 294 (49.1%) | 1.25 (0.96, 1.64) |
Helmet | 161 (27.2%) | 228 (38.6%) | 0.59 (0.44, 0.78) |
1990–1995 | 78 (13.2%) | 85 (14.2%) | 1.00 |
1996–2000 | 160 (27.0%) | 165 (27.6%) | 1.06 (0.73, 1.54) |
2001–2005 | 191 (32.3%) | 180 (30.5%) | 1.16 (0.80, 1.67) |
2006–2011 | 163 (27.8%) | 169 (28.2%) | 1.05 (0.72, 1.53) |