Table 1.

Effects on clutch size and fledging success.

	Estimate ± SE	F	df	P
(a) Clutch size
Maternal age	0.044 ± 0.033	1.81	1, 462.4	0.180
Paternal age	−0.029 ± 0.031	0.85	1, 534.2	0.356
Territory quality	−0.063 ± 0.032	3.96	1, 517.5	0.047
Breeding date	−0.598 ± 0.030	403.50	1, 242.9	< 0.001
Maternal × Paternal age	0.061 ± 0.030	4.07	1, 511.7	0.044
Intercept	−0.128 ± 0.059
(b) Fledging success
Maternal age	0.014 ± 0.036	0.14	1, 392.5	0.706
Paternal age	−0.052 ± 0.036	2.17	1, 523.0	0.141
Territory quality	−0.034 ± 0.037	0.85	1, 501.9	0.358
Breeding date	−0.086 ± 0.046	3.45	1, 386.5	0.064
Clutch size	0.608 ± 0.050	150.40	1, 526.8	< 0.001
Maternal × Paternal age	0.041 ± 0.035	1.38	1, 527.2	0.241
Intercept	−0.091 ± 0.059