| Negative BAC Test Result | Positive BAC Test Result | ||||
---|---|---|---|---|---|---|
Mechanism/case of injurya | n | % | Age-adjusted Rateb (95% CI) | n | % | Age-adjusted Rateb (95% CI) |
Total | 5,063 | 100.0 | 40.8 (0.815–0.824) | 1,076 | 100.0 | 8.7 (0.166–0.185) |
Chocking/suffocation | 1 | < 0.0 | < 0.0 | < 0 | < 0.0 | 0.0 |
Cut/pierce | 44 | 0.9 | 0.4 (0.006–0.011) | 22 | 2.0 | 0.2 (0.014–0.031) |
Drowning/submersion | 7 | < 0.1 | <  0.1 | 1 | < 0.1 | < 0.0 |
Falls | 488 | 9.6 | 3.9 (0.089–0.105) | 127 | 11.8 | 1.0 (0.100–0.139) |
Fire/burn | 66 | 1.3 | 0.5 (0.010–0.017) | 7 | < 0.7 | < 0.1 |
Firearm | 97 | 1.9 | 0.8 (0.016–0.023) | 11 | 1.0 | 0.1(0.005–0.018) |
Machinery | 17 | 0.3 | 0.1 (0.002–0.005) | 1 | < 0.1 | < 0.0 |
Motor vehicle | 3,410 | 67.4 | 27.5 (0.074–0.089) | 785 | 73.0 | 6.3 90.703–0.757) |
Natural/environment | 14 | 0.3 | 0.1 (0.002–0.005) | 7 | < 0.7 | < 0.1 |
Other* | 42 | 0.8 | 0.3 (0.006–0.011) | 6 | < 0.6 | < 0.0 |
Overexertion | 3 | < 0.1 | < 0.0 | 0 | < 0.0 | < 0.0 |
Pedal cyclist, other | 592 | 11.7 | 4.8 (0.108–0.126) | 74 | 6.9 | 0.6 (0.055–0.086) |
Poisoning | 17 | 0.3 | 0.1(0.002–0.005) | 10 | 0.9 | 0.1 (0.005–0.017) |
Struck by/against | 250 | 4.9 | 2.0 (0.044–0.056) | 16 | 1.5 | 0.1(0.009–0.024) |
Unspecified | 15 | 0.3 | 0.1(0.001–0.005) | 9 | < 0.8 | < 0.1 |