Table 4. Parameter estimates of the best-supported models analysing the PUUV infection prevalence and seroconversion rate during the lifespan of a yearly bank vole cohort.
| Dependent variable/source of variation | Parameter estimates | |||
|---|---|---|---|---|
| Infection prevalence | ||||
| Parametric coefficients | Estimate (SE) | z | P value | |
| intercept | −0.16 (0.13) | −1.2 | 0.217 | |
| birth year cycle phase | peak | −0.27 (0.15) | −1.8 | 0.08 |
| low | −3.41 (0.93) | −3.7 | < 0.001 | |
| Smooth terms | Edf (rdf) | χ2 | P value | |
| cohort age | 3.89 (4.83) | 48.5 | <0.001 | |
| Seroconversion rate | ||||
| Parametric coefficients | Estimate (SE) | z | P value | |
| intercept | −5.53 (0.25) | −22.2 | < 0.001 | |
| birth year cycle phase | peak | −0.11 (0.30) | −0.4 | 0.716 |
| low | −2.12 (1.70) | −1.2 | 0.219 | |
| Smooth terms | Edf (rdf) | χ2 | P value | |
| cohort age by birth year cycle phase | increase | 3.62 (4.49) | 1.8 | 0.125 |
| peak | 1.00 (1.00) | 0.1 | 0.714 | |
| low | 1.00 (1.00) | 0.9 | 0.358 | |
Edf = Estimated degrees of freedom; rdf = Residual degrees of freedom.