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Table 5 Logistic regression results of relationship between BoHV-1 stock bull status as dependent variable and number of movements between farms of the individual bulls as independent variable

From: Prevalence of BoHV-1 seropositive and BVD virus positive bulls on Irish dairy farms and associations between bull purchase and herd status

Dependent variable

Independent variable

Odds ratio

Confidence interval (95 %)

P value

IBR classification

1 movement vs. 0 movement

1.18

0.64

2.18

0.59

POSITIVE vs. NEGATIVE

2 movements vs. 0 movement

3.27

1.74

6.16

0

 

3 movements vs. 0 movement

2.88

1.03

8.05

0.04

 

4 movements or more vs. 0 movement

6.24

2.32

16.75

0