Seroprevalence and Risk Factors of Small Ruminant Brucellosis in West Hararghe Zone of Oromia Regional State, Eastern Ethiopia

Table 3

Multivariable logistic regression analyses of potential risk factors of small ruminant brucellosis.

Variable	Level	OR (95% CI)
Species	Sheep	1.0	—
	Goats	1.17 (0.75, 1.82)	0.487
Age	Young	1.0	—
	Adult	1.43 (0.79, 2.57)	0.232
Flock size	Small	1.0	—
	Large	1.58 (1.01, 2.47)	0.048
Production system	Sedentary	1.0	—
	Pastoral	3.19 (1.42, 7.20)	0.005
	Agropastoral	4.45 (2.19, 9.002)	0.0001
Mixed flock	No	1.0	—
	Yes	1.26 (0.84, 2.48)	0.474