Prevalence and Risk Factors of Bovine Mastitis in Southern Zone of Tigray, Northern Ethiopia

Table 2

Significant associative risk factors affecting the prevalence of bovine mastitis on 95% confidence interval.

Risk factors	Category	N	Positives	OR	95% CI	value
Season	Dry season	62	36	—	—	—
	Autumn	55	17	0.510	0.208–1.247	0.140
	Rainy season	29	12	0.323	0.151–0.693	0.04
Mastitis history	Yes	69	38	0.441	0.226 0.858-	0.016
	No	77	27	—	—	—
Washing hand	Before milking only	115	57	0.354	0.146 -	0.021
					0.856
Frequency	b/n consecutive cows	31	8	—	—