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

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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

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

RS Spearman Rank Correlation Coefficient, ICC Intraclass Correlation Coefficient, SDC Smallest Detectable Change, LoA Limits of Agreement