Factor

Regression coefficient

SE

Odds Ratio (OR)

95% C.I.

Lower

Upper

Calf housing

−0.989

0.472

0.4

0.1

0.9

Calf with mother

1.372

0.489

3.9

1.5

10.3

Calf in cow barn

−1.372

0.568

0.3

0.1

0.8

Calf flooring

−3.454

0.207

0.2

0.1

0.5

Cats

−2.206

0.368

0.1

0.1

0.3

Goat

−2.175

1.039

0.1

0.02

0.9

Pigs

2.616

0.366

13.7

6.7

28

Closed herd

−1.650

0.557

0.2

0.1

0.6

Water source

−0.919

0.486

0.4

0.2

1

Calving area

1.715

0.461

5.6

2.3

13.7