Table 4.

The best fitting GLMM model including tree fixed effects (SSD, positive difference in sperm number, sperm ratio and sexual size dimorphism, and palp breakage) and one random effect (male identity) to predict the palp choice.

Exploratory factors	β	s.e.	t	p
Intercept	5.60	2.30
Log(positive difference)	−0.02	0.14	−0.15	0.884
Log(sperm ratio)	−0.25	0.64	−0.38	0.708
Log(SSD)	−1.09	0.44	−2.50	0.049
Palp breakage	−0.27	0.40	−0.66	0.523