Table 3.

Linear mixed model summary of the effect of post-natal oral application of corticosterone on nestling traits.

	Estimate ± s.e.	df	F-value	P-value
Nestling mass at BD11
Intercept	11.24 ± 0.39
Treatment		1, 162	0.19	0.66
Control	−0.03 ± 0.07
Experimental	--
Sex		1, 182	4.67	0.0319
Male	--
Female	−0.18 ± 0.08
Brood size	−0.12 ± 0.06	1, 49.4	4.20	0.0459
PHA response
Intercept	2.28 ± 0.41
Treatment		1, 273	0.00	0.96
Control	−0.001 ± 0.02
Experimental	--
Hatching Date	−0.009 ± 0.003	1, 52.1	13.39	0.0006
Tarsus length
Intercept	18.94 ± 0.10
Treatment		1, 132	2.00	0.16
Control	0.10 ± 0.07
Experimental	--
Sex		1, 140	10.95	0.001
Male	--
Female	−0.26 ± 0.08
Haematocrit
Intercept	43.00 ± 0.61
Treatment		1, 270	0.38	0.54
Control	−0.28 ± 0.46
Experimental	--