Table 3.

Results of the generalized linear mixed model (logistic link function) of USUV seropositivity in wild ungulates in southern France, with the department included as random factor. OR: Odds ratio, 95% CI: 95% confidence intervals estimated by bootstrap.

Variables	No. of Individuals	No. of Positives	β	Error	OR	95% CI Bootstrap	p
Species
roe deer	196	2	a	a	a	a	a
wild boar	419	34	2.66	0.66	17.3	4.8–9.6.108	<0.001
Age Category
adult	458	31	a	a	a	a	a
juvenile	157	5	−1.28	0.52	0.3	0.1–0.6	0.01
Sampling Period
2009–2010	62	2	a	a	a	a	a
2010–2011	81	1	−1.01	1.23	0.4	0–75.2	0.41
2011–2012	88	4	0.19	0.9	1.2	0.1–1.5.108	0.83
2012–2013	198	12	1.08	0.83	2.9	0.9–7.3.108	0.19
2013–2014	156	13	1.84	0.82	6.3	1.5–1.3.108	0.02
2014–2015	22	4	3.17	1.04	23.9	3.9–5.3.108	0.002

a: reference category.