Melatonin reduces migratory restlessness in Sylvia warblers during autumnal migration

Table 2 Parametric components (estimated parameters, standard errors, t -values and P -values) of the generalized additive model analysis on factors affecting a change in body mass

	Estimate	Std. error	t value	P
(Intercept)	0.04528	0.00690	6.554	<0.001
Species	-0.00535	0.00697	-0.767	0.445
Melatonin treatment	-0.00784	0.00652	-1.203	0.232
Food treatment	0.02798	0.00659	4.242	<0.001
Blood sampling	0.00767	0.00653	1.175	0.243

The model was fitted by using a Gaussian distribution and a Generalized Cross-Validation criterion (GCV) as model optimizer.
adjusted R² = 0.185 (expl. deviance = 22.3%), GCV score = 0.001, N = 87.

ISSN: 1742-9994