Table 5.
Relative risk* of bite by dog breed using estimated dog population.
| Dog breed | Number of bite events attributed to breed | Proportion of bites in database attributed to breed | Estimated population of dog breed in county | Proportion of bite events with >1 body site bitten | Average bite diameter in cm | RR of breed biting compared to general dog population | RR of inflicting deep or complex wound | RR of bite occurring in a low median income city | RR of bite occurring in a high median income city |
|---|---|---|---|---|---|---|---|---|---|
| Pit bull | 75 | 7.75% | 34,464(2.90%) | 32.67% | 2.9 | 8.53 | 17.07 | 8.17 | 8.06 |
| German shepherd | 32 | 3.30% | 142,60(1.20%) | 16.00% | 1.62 | 2.02 | 2.66 | 1.97 | 1.95 |
| Chihuahua mix | 68 | 7.03% | 534,78(4.50%) | 29.10% | 0.99 | 3.35 | 0.51 | 2.46 | 3.78 |
| Mixed breed | 18 | 1.86% | 118,841(10.0%) | 44.40% | 0.95 | 0.2 | 1.7 | 0.24 | 0.18 |
| Cocker spaniel | 7 | 0.72% | 142,60(1.20%) | 28.57% | 1.21 | 0.53 | 0.74 | 1.66 | 0* |
| Other breed | 180 | 18.6% | 818,817(68.9%) | 36.20% | 1.817 | 0.27 | 0.23 | 0.25 | 0.27 |
| Unknown breed | 593 | 61.3% | 133,102(11.2%) | 19.07% | 1.63 | 3.28 | 2.5 | 3.3 | 5.39 |
*
All relative risks in comparison to rate observed in general dog population.
RR, relative risk; cm, centimeter.