. 2013 Sep 18;8(9):e75536. doi: 10.1371/journal.pone.0075536

Table 3. General linear models relating three measurements of productivity (brood biomass and nestling mean weight on day 11, and number of fledglings) to year, site, 1^st egg date and hatch delay during 2003-2012.

Sp	Response	R²	Year		Site		1^st egg date		Hatch delay
		%	F	p	F	p	F	p	F	p
GT	Brood biomass	52	2.3	0.016	117	<0.001	29	<0.001	53	<0.001
	Nestling mean weight	32	3.6	<0.001	50	<0.001	0	0.970	2.0	0.161
	Number of fledglings	35	2.3	0.016	61	<0.001	17	<0.001	12	<0.001
BT	Brood biomass	47	2.9	0.003	34	<0.001	17	<0.001	3.7	0.056
	Nestling mean weight	32	3.8	<0.001	24	<0.001	5.2	0.024	3.7	0.055
	Number of fledglings	34	2.9	0.003	19	<0.001	12	<0.001	7.8	0.006

Significant results (p <0.05) for 1^st egg day and hatch delay (whose coefficients were negative) are emboldened.

Table 3. General linear models relating three measurements of productivity (brood biomass and nestling mean weight on day 11, and number of fledglings) to year, site, 1st egg date and hatch delay during 2003-2012.