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Table 5 Odds ratio and 95% confidence interval (CI) for each animal-based welfare outcome associated with production stage (first weaner stage [S1], second weaner stage [S2], and finisher stage [S3])

From: Prevalence of welfare outcomes in the weaner and finisher stages of the production cycle on 31 Irish pig farms

  S1 vs S2 S1 vs S3 S2 vs S3
OR 95% CI OR 95% CI OR 95% CI
Absence of hunger
 Poor body condition 0.4* 0.32–0.52 0.2* 0.15–0.30 0.5* 0.37–0.76
Comfort around resting
 Bursitis 3.7* 2.83–4.77 6.6* 5.16–8.55 1.8* 1.50–2.18
Thermal comfort
 Huddling 0.2* 0.12–0.39 0.1* 0.02–0.18 0.2* 0.07–0.89
Injuries
 Lameness 3.3* 1.97–5.56 4.6* 2.75–7.66 1.4 0.94–2.01
 Skin lesions 1.2 0.89–1.58 1.4 1.01–1.80 1.1 0.85–1.52
 Tail lesions (overall) 1.5* 1.14–1.85 2.8* 2.19–3.52 1.9* 1.52–2.41
  Moderate lesions 1.5* 1.21–1.91 2.6* 2.12–3.30 1.7* 1.41–2.15
  Severe lesions 1.8 0.90–3.71 4.7* 2.46–9.07 2.6* 1.43–4.68
 Ear lesions (overall) 1.5 0.98–2.24 0.7 0.44–1.05 0.5* 0.30–0.71
  Moderate lesions 0.6* 0.44–0.85 0.3* 0.18–0.42 0.4* 0.28–0.70
  Severe lesions 2.5* 1.59–4.02 1.2 0.76–2.01 0.5* 0.31–0.78
 Flank lesions (overall) 5.2* 2.39–11.24 9.6* 4.49–20.34 1.8 1.08–3.14
  Moderate lesionsa
  Severe lesions 4.8* 2.12–10.81 9.1* 4.14–20.12 1.9 1.09–3.34
Disease
 Lethargic 0.3* 0.19–0.46 0.2* 0.14–0.41 0.8 0.44–1.54
 Hernia 1.8* 1.25–2.47 2.3* 1.68–3.29 1.3 0.98–1.83
  1. aModel did not converge
  2. *Significantly different from the reference category; P < 0.05
  3. The first mentioned production stage is the reference category within each column