Lice Infestations in Sheep and Goats in Kombolcha District, East Hararghe Zone, Oromia Regional State, Ethiopia

Table 3

Logistic regression of associated risk factors with prevalence of Linognathus species of lice in small ruminants.

Variables in the equation		B	S.E.	Wald	Df	Sig.	Exp (B)	95% CI for Exp (B)
								Lower	Upper
Step 1^a	Sex (1)	0.141	0.338	0.173	1	0.677	1.151	0.593	2.234
	Age (1)	0.745	0.282	7.008	1	0.008	2.107	1.213	3.658
	BCS			36.468	2	0.000
	BCS (1)	1.928	0.319	36.421	1	0.000	6.873	3.675	12.854
	BCS (2)	0.835	0.318	6.898	1	0.009	2.304	1.236	4.295
	Constant	−2.319	0.363	40.722	1	0.000	0.098

^aReference: sex (male), age (adult), BCS (good).