Research Article
Risk Factors for Colonization of E. coli in Atlantic Bottlenose Dolphins (Tursiops truncatus) in the Indian River Lagoon, Florida
Table 4
Multivariate logistic regression analysis of risk factors for E. coli colonization among bottlenose dolphins.
| | Adjusted OR | 95% CI | P value |
| Age | | | | >16.0 | 1.0 | — | — | 11.0–15.9 | 3.5 | 0.6, 19.6 | 0.15 | 6.5–10.9 | 5.3 | 0.9, 30.1 | 0.06 | <6.5 | 8.6 | 1.3, 57.3 | 0.03 |
| 48 hr precipitation (inches)** | | | | ≤0.23 | 1.0 | — | — | 0.24–0.80 | 2.1 | 2.0, 35.4 | < 0.01 | ≥0.81 | 2.2 | 1.2, 70.2 | 0.04 |
| Septic tanks per year** | | | | ≤70.286 | 1.0 | — | — | 70.287–82.243 | 1.9 | 0.2, 15.4 | 0.53 | ≥82.244 | 6.3 | 1.0, 39.7 | 0.05 |
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