From: A survey of visitors on Swedish livestock farms with reference to the spread of animal diseases
Variable | Coef. | 95% confidence interval | P | |
---|---|---|---|---|
category | ||||
Negative binomial part of the model | ||||
Constant | 3.03 | 1.86 | 4.21 | <0.001 |
Animal species | ||||
cattle | baseline | |||
swine | −0.53 | −0.92 | −0.13 | 0.009 |
sheep or goat | −1.47 | −2.31 | −0.63 | 0.001 |
mixed | −0.46 | −0.85 | −0.07 | 0.021 |
Herd size | ||||
hobby | baseline | |||
medium | −1.90 | −3.13 | −0.67 | 0.002 |
large | −1.57 | −2.77 | −0.37 | 0.010 |
Logistic part of model (probability of no visitors) | ||||
Constant | 1.73 | 1.11 | 2.35 | <0.001 |
Animal species | ||||
cattle | baseline | |||
swine | −0.94 | −2.14 | 0.26 | 0.123 |
sheep or goat | 0.59 | −0.81 | 1.98 | 0.409 |
mixed | 0.10 | −0.65 | 0.85 | 0.789 |
Contact log period | ||||
summer | baseline | |||
autumn | −0.88 | −1.49 | −0.27 | 0.005 |
winter | −0.21 | −0.81 | 0.39 | 0.489 |
spring | 0.04 | −0.50 | 0.57 | 0.891 |
Herd size | ||||
hobby | baseline | |||
medium | −1.83 | −2.49 | −1.17 | <0.001 |
large | −4.21 | −8.06 | −0.35 | 0.032 |