Prevalence and Risk Factors of Bovine and Ovine Lungworm Infection at Durame District, Southern Ethiopia

Table 4

Univariate and multivariate logistic regression analyses of risk factors for bovine and ovine lungworms infection.

Risk factors	No. of examined animal	No. of positive animals	Binary logistic regression analysis		Multivariate logistic regression analysis
			COR (95% CI)	value	AOR (95% CI)	value
Species
Cattle	201	8 (3.98)	Ref	Ref	Ref	Ref
Sheep	209	92 (44.02)	18.97 (8.89-40.49)	<0.001	19.7 (9.16-42.41)	<0.001
Sex
Female	185	4222.70	Ref	Ref	—	—
Male	225	5825.78	1.18 (0.75-1.86)	0.471	—	—
Age
Adult	244	58 (23.78)	Ref	Ref	—	—
Young	166	42 (25.30)	1.09 (0.58-1.45)	0.723	—	—
BCS
Good	99	16 (16.2)	Ref	Ref	Ref	Ref
Medium	171	39 (22.81)	1.53 (0.81-2.92)	0.193	1.3 (0.62-2.70)	0.483
Poor	140	45 (32.14)	2.46 (1.29-4.67)	0.006	2.0 (0.95-4.23)	0.069
Season
Autumn	171	39 (22.81)	1.60 (0.97-2.65)	0.066	1.44 (0.77-2.68)	0.252
Spring	140	45 (32.14)	0.65 (0.34-1.24)	0.193	0.63 (0.30-1.30)	0.212
Winter	99	16 (16.2)	Ref	Ref	Ref	Ref