. 2014 Oct 21;9(10):e111180. doi: 10.1371/journal.pone.0111180

Table 4. Model-averaged parameter estimates (estimates of fixed effects included in models with ΔAICc_i ≤2 with contributions to average weighted by wAICc_i of model), unconditional standard errors and 95% confidence intervals.

Reproductive parameter	Fixed effect	Estimate	SE	95% CI
				Lower	Upper
Chicks fledged nesting attempt⁻¹	2009 vs. 2008	0.214	0.177	−0.134	0.562
	2010 vs. 2008	0.330	0.165	0.007	0.654
Chicks fledged male⁻¹ season⁻¹	Fed vs. Control × Hatching date	−0.275	0.102	−0.475	−0.076
	2009 vs. 2008	−0.118	0.179	−0.469	0.233
	2010 vs. 2008	0.171	0.171	−0.164	0.505
Chicks fledged female⁻¹ season⁻¹	Fed vs. Control	0.099	0.097	−0.091	0.289
	2009 vs. 2008	−0.118	0.179	−0.469	0.233
	2010 vs. 2008	0.958	0.845	−0.698	2.615
Clutch size	2010 vs. 2009	0.089	0.123	−0.152	0.330
Log egg volume	Hatching date	−0.016	0.012	−0.040	0.007
Hatching date	Fed vs. Control	−2.953	1.107	−5.124	−0.783
	Young vs. Old male	1.452	1.175	−0.850	3.755
	2009 vs. 2008	−2.159	1.875	−5.834	1.516
	2010 vs. 2009	1.459	1.890	−2.245	5.163
Hatching success	Hatching date	−0.796	0.449	−1.677	0.084
Chick maximum wing chord	8 days old vs. 7 days old	5.604	1.309	3.038	8.170
	Fed vs. Control × 2010 vs. 2009	−7.463	2.834	−13.018	−1.908
Nest survival	Fed vs. Control	0.826	0.806	−0.754	2.407
	Date found	−0.129	0.358	−0.831	0.573
Breeding attempts male⁻¹ season⁻¹	Fed vs. Control	2.574	1.146	0.327	4.820
	Hatching date	−1.083	0.487	−2.036	−0.129
	Fed vs. Control × Hatching date	−1.173	1.099	−3.326	0.980

Interactions are indicated by x.

Hatching date (1 = 1^st May) and date found (date nest discovered; 1 = 1^st May) were standardized before being input in models as fixed factors.

Table 4. Model-averaged parameter estimates (estimates of fixed effects included in models with ΔAICci ≤2 with contributions to average weighted by wAICci of model), unconditional standard errors and 95% confidence intervals.