Table 5.

Summary of mixed-effects logistic regression models of Brucella abortus status in different host species.

Level	Positivity for targeted Brucella spp.		Univariable mixed-effects logistic regression
Host	n/N	% positivity and (95% CI)	Odds Ratio 95% CI	Odds ratio P-value	LRT χ2	LRT p-value	LRT df
Cattle	26/43	60.5 (44.4–75.0)	Baseline		16.71	0.002	4
Goats	15/62	24.2 (14.2–36.7)	0.2 (0.1–0.6)	0.003
Sheep	12/60	20.0 (10.8–32.3)	0.2 (0.1–0.5)	0.001
Camel	22/34	64.7 (46.4–80.3)	0.9 (0.3–2.7)	0.916
Human	44/99	44.4 (34.5–54.8)	0.5 (0.2–1.0)	0.055

Location icc = 0.10.

CI confidence interval, LRT χ² Likelihood Ratio Test Chi-square value, P-value according to Pearson Chi-square test, n number of positives, N total number tested.