Table 3.
Model parameter estimates from Cox regression models using latitude (univariate model) or time-dependent environmental parameters and pathogen detection selected by the stepwise procedure for adult oysters (multivariate model).
| Parameter | Df | Estimate | SE | χ2 | p | Odds ratio | 95% CI | |
|---|---|---|---|---|---|---|---|---|
| Model 1: Latitude | 1 | −0.025 | 0.059 | 3.4 | 0.669 | 0.98 | 0.87 | 1.10 |
| Model 3: Environment and pathogen | ||||||||
| V. aestuarianus | 1 | 1.045 | 0.125 | 69.5 | <0.001 | 2.85 | 2.23 | 3.64 |
| Temperature | 1 | 0.048 | 0.016 | 8.5 | 0.004 | 1.05 | 1.02 | 1.08 |
| Salinity | 1 | −0.033 | 0.016 | 4.3 | 0.038 | 0.97 | 0.94 | 1.00 |
| Rainfall | 1 | −0.063 | 0.020 | 10.1 | 0.002 | 0.94 | 0.90 | 0.98 |