Table 4 Binary logistic regression, with odds ratios calculated for the probability of secondary spread versus slaughterhouse transmission rates

0.001

0.97

0.93

1.01

0.093

0.01

0.99

0.95

1.02

0.435

0.02

0.99

0.95

1.03

0.597

0.03

1

0.96

1.03

0.861

0.04

1

0.96

1.03

0.824

0.05

1

0.96

1.04

0.927

0.06

1.04

1

1.08

0.036

0.07

1.03

1

1.07

0.068

0.08

1.04

1.01

1.08

0.019

0.09

1.04

1.01

1.08

0.019

0.1

1.05

1.01

1.09

0.012

0.11

1.07

1.03

1.11

0

0.12

1.05

1.01

1.09

0.008

0.13

1.09

1.05

1.13

0

0.14

1.08

1.04

1.12

0

0.15

1.09

1.06

1.13

0

0.16

1.08

1.04

1.12

0

0.17

1.08

1.04

1.12

0

0.18

1.09

1.06

1.13

0

0.19

1.1

1.06

1.14

0

0.2

1.1

1.06

1.14

0