Risk factor | Coefficient | SE | OR1 | P-value |
---|---|---|---|---|
Intercept (1000 g birth weight) | -3.9 | |||
Herd2 | < 0.001 | |||
Herd 4 | 0a | |||
Herd 3 | 1.0a | 0.7 | 2.3 | |
Herd 2 | 0.5a | 0.7 | 1.3 | |
Herd 1 | 2.7b | 0.6 | 11.8 | |
Parity | 0.063 | |||
2nd-7th | 0 | |||
1st | 0.8 | 0.4 | 1.8 | |
Birth weight (per 100 g increase) | -0.3 | 0.06 | 0.6 | <0.001 |
Gender | 0.001 | |||
Female | 0 | |||
Male | 0.9 | 0.3 | 2.1 | |
Random effect of litter4 | 29% |