Prediction of early race starts in Norwegian-Swedish Coldblooded Trotters

Table 5 Log odds ratio estimates ± standard error, mean values and contributions in the logistic regression model for no "3-year start" and interactions accounted for

	Estimated coefficient ± SE(β_i)	Mean value( ${\bar{x}}_{i}$ )	Contribution (β_i * ${\bar{x}}_{i}$ )
Linear contribution
Intercept [0]	81.07 ± 29.99
Dam's BLUP-index	-0.70 ± 0.27	110.34	-77.24
Hilly or intermediate pasture first summer (1 = yes)	1.57 ± 0.92	0.23	0.36
Hilly pasture first summer (1 = yes)	-1.18 ± 0.64	0.54	-0.64
Recruitment race passed (1 = yes)	-4.39 ± 1.16	0.64	-2.81
Interactions
(Dam's BLUP-index - 110.4) * (Hilly or intermediate pasture 1^st summer)	0.50 ± 0.28
(Dam's BLUP-index - 110.4) * (Hilly pasture 1^st summer)	0.12 ± 0.13
(Dam's BLUP-index - 110.4) * (Accustomed to sulky before pasture 2^nd summer (1 = yes))	0.17 ± 0.10

ISSN: 1751-0147