TABLE 2.

Association between mastitis prevalence and mastitis risk factors.

Risk factor	Chi-square value	Degrees of freedom	Significance level (P-value)	Strength of association – Cramer's V
Cowdirtiness	12.061	2	0.0024	0.249
Production system	18.859	1	0.000016	0.31
Breed	12.087	2	0.0024	0.249
Teat-end condition	73.948	4	< 0.0001	0.616
Parity	3.314	2	0.0564	0.13
Stage of lactation	15.576	2	0.0004	0.283
Age	-	1	0.48	0.016