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Table 3 Results from final multivariable logistic regression analysis investigating risk factors for sows to be culled or die after on-farm treatment

From: Description of on-farm treatment compliance and risk factors for culling in sows

Variable

 

OR (SE)

95% CI

P value

Parity

 

1.48 (0.26)

1.05–2.10

0.026

Born alive (current)

 

0.93 (0.06)

0.81–1.06

0.288

Born alive (past)

 

0.78 (0.07)

0.65–0.94

0.007

Production stage

Bred

Reference

  
 

Lactation

0.38 (0.34)

0.06–2.24

0.284

 

Empty

1.21 (1.02)

0.23–6.32

0.822

Condition

Lameness

Reference

  
 

Mastitis

7.75 (10.36)

0.56–106.41

0.125

 

Other

1.45 (1.39)

0.22–9.53

0.700

 

Repro

4.12 (4.50)

0.49–35.00

0.195

Body condition score

Ideal

3.22 (2.24)

0.82–12.60

0.092

Overall treatment compliance1

 

4.53 (5.74)

0.38–54.38

0.234

Interaction between ideal BCS and overall treatment compliance

 

0.10 (0.12)

0.01–1.22

0.070

  1. 1Compliance was based on the residing veterinary recommendation, farm standard operation protocol and label compliance for each swine illness. Overall compliance was defined as perfect compliance on drug, dose and frequency (all correct)