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Table 3 Mean prevalences of the categories of the behavioural observations as well as individual parameters with a prevalence greater than 0.5 % assigned by observer A and BC and corresponding reliability parameters

From: Interobserver reliability of the ‘Welfare Quality® Animal Welfare Assessment Protocol for Growing Pigs’

Parameter Cate-gory Mean prevalence observer A Mean prevalence observer BC RS ICC SDC LoA
Social behaviour   9.8 10.5 0.45 0.50 0.09 −0.09 to 0.03
Negative social behaviour   3.1 2.0 0.58 0.40 0.06 −0.05 to 0.03
Use of enrichment material   5.2 4.3 0.75 0.68 0.06 −0.03 to 0.03
Pen investigation   25.1 29.8 0.40 0.48 0.10 −0.10 to 0.10
Bursitis 0 55.3 55.1 0.26 0.0 0.43 −0.40 to 0.49
  1 44.2 38.0 0.10 0.0 0.35 −0.37 to 0.40
  2 0.7 6.1 0.01 0.0 0.19 −0.22 to 0.21
Manure 0 77.5 77.6 0.69 0.78 0.10 −0.10 to 0.10
  1 14.2 17.1 0.44 0.71 0.09 −0.10 to 0.09
  2 8.3 4.5 0.45 0.59 0.09 −0.09 to 0.08
Wounds 0 86.7 87.8 0.58 0.41 0.10 −0.10 to 0.10
  1 8.7 10.3 0.46 0.59 0.10 −0.09 to 0.10
  2 1.2 1.3 0.40 0.84 0.03 −0.02 to 0.01
Tail biting 0 96.2 97.3 0.43 0.88 0.05 −0.01 to 0.02
  2 3.8 2.7 0.43 0.88 0.05 −0.01 to 0.02
Lameness 0 99.3 98.4 0.64 0.58 0.05 −0.07 to 0.05
  1 0.5 0.6 0.46 0.40 0.02 −0.01 to 0.0
Skin condition 0 96.3 97.6 0.66 0.44 0.09 −0.05 to 0.07
  1 1.1 1.7 0.44 0.58 0.08 −0.06 to 0.05
Hernia 0 99.3 98.6 0.61 0.70 0.05 −0.01 to 0.02
  1 0.6 0.7 0.50 0.60 0.01 −0.01 to 0.01
Coughs/pig n 9.6 9.1 0.70 0.98 0.08 −0.03 to 0.06
Sneezes/pig n 2.9 3.4 0.64 0.71 0.04 −0.03 to 0.01
  1. RS Spearman Rank Correlation Coefficient, ICC Intraclass Correlation Coefficient, SDC Smallest Detectable Change, LoA Limits of Agreement