Table 2.

Summary statistics of the fixed effect coefficients for the linear mixed effects model describing the relationship between larval oil globule volume (OGV), maternal age and parturition week with a random female effect.

covariate	value	s.e.	d.f.	t	p
(intercept)	0.0205	0.0013	1026	15.9	<0.001
age	0.0007	0.0001	53	5.7	<0.001
week	−0.0044	0.0009	53	−5.0	<0.001
year	−0.0042	0.0015	53	−2.8	0.0069
week*year	0.0028	0.0010	53	2.7	0.0089