Table 2a.

Results from LMM model 1 on clutch size.

fixed term	Wald statistic	d.f.	Wald/d.f.	Χ2p-value	estimate	s.e.
year	197.15	24	8.21	<0.001
laying date	441.59	1	441.59	<0.001	−0.071	0.004
age	28.47	1	28.47	<0.001	0.956	0.170
age2	34.91	1	34.91	<0.001	−0.85	0.019
age3	11.41	1	11.41	<0.001	0.002	0.0006
ALR	5.31	1	5.31	0.021	0.059	0.020
ALR×age	3.57	1	3.57	0.059	0.010	0.005