Table 8. Participation (%) of milkers in variables describing the clusters (p <0.05).

Categorical variables	Cluster 1	Cluster 2	Cluster 3
Milker doesn't know how to conduct cows to the milking site		100 (50)
Milker knows how to conduct cows to the milking site		2.22 (50)
Milker knows the proper condition of the tail tip during milking			95.24 (95.24)
Milker doesn't know the proper condition of the tail tip during milking			50 (4.76)

Value in parenthesis indicates the total percentage of milkers that meet the characteristic.