Table 2. Results of initial LMM model testing for effect of egg position on clutch features (157 eggs of 28 nests).

Nest box was used as a random effect. The variables retained in the final models are indicated by boldface.

Egg position	Df	F	B ± SE	P
Lightness	1,149.97	7.23	−0.161 ± 0.06	0.008
Egg volume	1,149.97	1.52	0.000 ± 0.000	0.220
Number of eggs	1,149.97	0.04	−0.010 ± 0.049	0.842
Laying order	2,149.97	1.15		0.320
Parasitic egg	1,149.97	1.85		0.175