| OR | 95% CI | p value |
---|---|---|---|
Contextual measures | Â | Â | Â |
 Part One crimes/100,000 | 1.00 | 1.00 to 1.00 | 0.42 |
 Alcohol outlet density | 1.00 | 1.00 to 1.00 | 0.13 |
 Unemployment rate | 1.05 | 1.00 to 1.09 | 0.02 |
Patient-level measures | Â | Â | Â |
 Age | 1.04 | 1.01 to 1.09 | <0.001 |
 Penetrating mechanism of injury | 1.98 | 1.12 to 3.40 | 0.02 |
 Severity of injurya | 2.94 | 2.55 to 3.40 | <0.001 |
Constant | 0.05 | 0.02 to 0.11 | <0.001 |