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Table 2 Results from univariable 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

 

1.43 (0.15)

1.16–1.77

0.001

Born alive (recent)

 

0.93 (0.04)

0.86–1.01

0.096

Born alive (past)

 

0.91 (0.06)

0.80–1.02

0.115

Number of weaned piglets

 

1.05 (0.06)

0.93–1.18

0.463

Production stage

Bred

Reference

  
 

Lactation

2.32 (0.88)

1.11–4.90

0.026

 

Empty

1.26 (0.75)

0.39–4.03

0.698

Body condition score

Thin

1.49 (0.91)

0.45–4.93

0.515

 

Ideal

Reference

  
 

Fat

1.06 (0.60)

0.35–3.20

0.913

Condition

Lameness

Reference

  
 

Mastitis

3.19 (1.83)

1.04–9.83

0.043

 

Other

1.23 (0.76)

0.36–4.15

0.740

 

Reproduction

3.33 (1.66)

1.26–8.84

0.015

Drug compliance1

 

0.99 (0.48)

0.38–2.59

0.991

Dose compliance1

 

0.97 (0.36)

0.46–2.02

0.932

Frequency compliance1

 

1.10 (0.45)

0.49–2.44

0.818

Overall compliance2

 

1.12 (0.47)

0.49–2.54

0.785

  1. 1Compliance was based on the residing veterinary recommendation, farm standard operation protocol and label compliance for each swine illness
  2. 2Overall compliance was defined as perfect compliance on drug, dose and frequency (all correct)