Table 2.

Effects on offspring cutaneous immune activity and body mass.

	Estimate ± SE	F	df	P
(a) Immune activity
Maternal age	0.085 ± 0.030	7.92	1, 329	0.005
Paternal age	−0.057 ± 0.031	3.31	1, 387	0.070
Territory quality	0.026 ± 0.032	0.64	1, 541	0.423
Nestling body mass	0.079 ± 0.018	18.90	1, 2822	< 0.001
Breeding date	0.041 ± 0.033	1.50	1, 439	0.221
Maternal × Paternal age	−0.089 ± 0.030	8.68	1, 506	0.003
Intercept	0.002 ± 0.161
(b) Body mass
Maternal age	0.052 ± 0.028	3.34	1, 501	0.068
Paternal age	−0.024 ± 0.028	0.75	1, 407	0.386
Territory quality	0.027 ± 0.028	0.92	1, 702	0.338
Breeding date	−0.210 ± 0.027	60.50	1, 509	< 0.001
Maternal × Paternal age	0.040 ± 0.028	2.06	1, 687	0.151
Intercept	0.009 ± 0.095