Epidemiological study on calf diarrhea and coccidiosis in dairy farms in Bahir Dar, North West Ethiopia

Table 3 Explanatory variables significantly associated with the incidence of calf coccidiosis based on univariate and multivariate analysis of cox proportional hazards regression model

Variables	Categories	Univarate Analysis			Multivariate Analysis
Variables	Categories	HR^a	95% CI	P value	HR^a	95% CI	P value
Age	< 6 months	13.044	4.627–36.770	.000	13.36	4.622–38.621	.000
Age	6–12 months	13.044	4.627–36.770	.000	13.36	4.622–38.621	.000
Sex	Male	6.593	2.580–16.848	.000	3.500	1.213–10.096	.020
Sex	Female	6.593	2.580–16.848	.000	3.500	1.213–10.096	.020
Breed	Cross	3.591	1.101–11.644	.033	–	–	–
Breed	Local	3.591	1.101–11.644	.033	–	–	–
Body Condition	Good	0.092	0.022–0.385	.001	–	–	–
Body Condition	Poor	0.092	0.022–0.385	.001	–	–	–
House hygiene	Poor	16.157	2.222–117.483	.006	–	–	–
House hygiene	Good	16.157	2.222–117.483	.006	–	–	–
House condition	Separated	0.122	0.037–0.398	.000	–	–	–
House condition	Unseparated	0.122	0.037–0.398	.000	–	–	–
Parity of dam	Multiparous	0.371	0.202–0.684	.001	–	–	–
Parity of dam	Primiparous	0.371	0.202–0.684	.001	–	–	–

ISSN: 2046-0481