TABLE 2.
Parameter estimates and standard errors for the models of Anaplasma and Babesia infections in field voles (Microtus agrestis)
| Parameter | Effect on volesa:
|
|||||
|---|---|---|---|---|---|---|
|
Anaplasma positive
|
Babesia positive
|
|||||
| Coefficient (SE) | z value | Probability > z | Coefficient (SE) | z value | Probability > z | |
| Intercept | −3.25 (0.14) | −23.44 | <0.01 | −3.92 (0.44) | −8.95 | <0.01 |
| Infection | ||||||
| Babesia positive | 1.07 (0.17) | 6.21 | <0.01 | |||
| Anaplasma positive | 1.03 (0.18) | 5.81 | <0.01 | |||
| Nonlarval ticks | 0.43 (0.21) | 2.04 | 0.04 | 0.41 (0.14) | 2.99 | <0.01 |
| wt relationship | ||||||
| wt | 0.16 (0.03) | 5.79 | <0.01 | |||
| wt2 | −0.00 (0.00) | −3.63 | <0.01 | |||
| Larval burden | ||||||
| August | −0.16 (0.20) | −0.77 | 0.44 | |||
| July | −0.19 (0.21) | −0.91 | 0.36 | |||
| June | −0.53 (0.21) | −2.50 | 0.01 | |||
| May | −0.56 (0.22) | −2.56 | 0.01 | |||
a
The values shown are in logit scale. Probabilities that are significant at the P < 0.05 level are in boldface.