Table 4.
Input variable | Coefficient | SE | p-value |
---|---|---|---|
Intercept | 1.77 | 0.03 | < 0.001 |
Parity | |||
Primiparous | Ref | ||
Multiparous | 0.73 | 0.03 | < 0.001 |
Days in Milk | −0.002 | 0.0001 | < 0.001 |
Wilmink’s correctiona | |||
exp(− 0.1 × DIM) | −0.13 | 0.22 | 0.546 |
Cow breed | |||
> 75% Friesian | Ref | ||
50–75% Friesian, | −0.09 | 0.02 | < 0.001 |
< 50% Friesian | −0.07 | 0.02 | < 0.001 |
DIM × parity | |||
DIM × Primiparous | Ref | ||
DIM × Multiparous | −0.002 | 0.0002 | < 0.001 |
Wilmink’s correction × parity | |||
exp(−0.1 × DIM × primiparous) | Ref | ||
exp(−0.1 × DIM × multiparous) | −0.21 | 0.24 | 0.379 |
Season | |||
2013–14 | Ref | ||
2014–15 | 0.22 | 0.01 | < 0.001 |
MAP statusb | |||
Undetected | Ref | ||
Moderate latent | −0.03 | 0.02 | 0.136 |
High latent | −0.07 | 0.03 | 0.004 |
Moderate shedding | −0.07 | 0.04 | 0.036 |
High shedding | −0.20 | 0.04 | < 0.001 |
Ref = the reference category for each categorical variable
aOverall significance of Wilmink’s correction and its interaction in the model < 0.001
bOverall significance of MAP status in the model < 0.001