Table 2.

Model 2: variance component estimates. The variance ratio is the variance component divided by the residual variance. The variance component estimate is the relative contribution of each factor in explaining the variance in the dependent variable. The 95% lower and 95% upper are the lower and upper limits of the 95% confidence interval for the variance components

Random effect	Variance ratio	Variance component estimate	Standard Error	95% lower	95% upper	% total
Behaviour (B)	0.02	0.20	0.37	−0.53	0.92	1
Piglet	0.52	4.31	1.20	1.96	6.66	17
Week (W)	0.23	1.92	3.98	−5.87	9.71	8
Day within W	0.15	1.25	1.68	−2.04	4.53	5
Repetition within day within W	0.07	0.61	0.57	−0.50	1.72	2
Weight	1.00	8.23	12.72	−16.71	33.16	32
Weight × B	0.09	0.71	1.28	−1.80	3.21	3
Sex	−0.02	−0.14	0.17	−0.47	0.20	−1
Residual		8.26	0.68	7.07	9.78	33

B, behaviour and W, week.