Table 4.

Effect of age, year and geographical location on the seroprevalence of Brucella spp. in wild boar in The Netherlands

Variable	log Odd	Odds	LCL	UCL	P
Age (months)	0.51	1.665	1.237	2.287	0.001
X coordinate	−0.003	0.997	0.974	1.021	0.799
Y coordinate	−0.034	0.967	0.952	0.982	<0.001
Year	0.213	1.237	1.068	1.438	0.005
Age: Y coordinate	−0.001	0.999	0.998	0.999	0.002

log Odd: natural log of the odds ratio, Odds: odds ratio, LCL: 95% lower confidence limit, UCL: 95% upper confidence limit and P: p-value