Table 1.

Summary of results from GENMOD models testing for the influence of experimental handicapping of parents, sex differences in parental foraging TD and FE, and their interaction on feather corticosterone (CORT) in Cory's shearwater chicks. Significant values are in bold.

	model term	estimate	s.e.	F-statistic (d.f.)	p-value
males	treatment	1.6053	0.6070	6.99 (1,14)	0.019
	TD	0.1825	0.0680	7.21 (1,14)	0.018
	TD × treatment			0 (1,13)	0.972
females	treatment	0.8274	0.7968	1.08 (1,12)	0.320
	TD	−0.0958	0.0982	0.95 (1,12)	0.349
	TD × treatment			0.02 (1,11)	0.903
males	treatment	7.7083	2.8695	7.22 (1,13)	0.018
	FE	−0.1020	0.0906	10.61 (1,13)	0.006
	FE × treatment			4.91 (1,13)	0.045
	control	−0.5393	0.1895	8.10 (1,7)	0.025
	experimental	−0.1025	0.0809	1.60 (1,6)	0.252
females	treatment	0.8673	0.7479	1.34 (1,12)	0.269
	FE	0.1213	0.0949	1.64 (1,12)	0.225
	FE × treatment			0.33 (1,11)	0.580