Table 5.

Pairwise comparisons of size of first litter for different categories of females using Dunnett’s method

Contrast	Estimate of difference in litter size between contrasted races	SE	df	t	p-value
CHBU–CHHN	−0.38	0.51	37.06	−0.74	0.83
F1–CHHN	−5.20	0.48	37.08	−10.80	< 10−4
BC.23–CHHN	−4.50	0.62	45.94	−7.27	< 10−4
BC.24–CHHN	1.33	0.53	42.63	2.49	0.06
BC.23–F1	0.70	0.62	46.00	1.13	0.61

The LMMs applied contained female category (see text) as the only explanatory variable and the identity of the females’ parents as a random effect to control for including siblings in the data