Table 3.

Seasonal effects of PUUV infection status, sex and their interaction (not in c) on the survival of bank voles

(a) Spring
Parameter	Estimate	(SE)	z	p
Intercept	−2.35	(0.45)	−5.21	<0.001
PUUV infections status ‘positive’	0.91	(0.45)	2.01	0.044
Sex ‘male’	0.42	(0.51)	0.82	0.414
PUUV infections status ‘positive’:sex ‘male’	−1.01	(0.63)	−1.59	0.112

Random factor	Variance	(SD)
SA: plot	0.32	(0.56)
Number of observations = 367, degrees of freedom = 5

(b) Summer
Parameter	Estimate	(SE)	z	p
Intercept	−1.82	(0.30)	−6.04	<0.001
PUUV infections status ‘positive’	0.03	(0.34)	0.09	0.930
Sex ‘male’	−0.19	(0.29)	−0.67	0.502
PUUV infections status ‘positive’:sex ‘male’	−1.35	(0.65)	−2.07	0.038

Random factor	Variance	(SD)
SA: plot	0.25	(0.50)
Number of observations = 599, degrees of freedom = 5

(c) Autumn
Parameter	Estimate	(SE)	z	p
Intercept	−2.86	(0.37)	−7.75	<0.001
PUUV infections status ‘positive’	−1.07	(0.76)	−1.41	0.160
Sex ‘male’	0.87	(0.47)	1.87	0.062

Random factor	Variance	(SD)	z	p
SA: plot	0.00	(0.00)
Number of observations = 297, degrees of freedom = 4

Parameter coefficients of generalized linear mixed models (GLMM) with binomial distribution

Italic values indicate significance of p value (p < 0.05)