The Main and Interactive Effects of Biological Maturity and Relative Age on Physical Performance in Elite Youth Soccer Players

Table 5

Summary of hierarchical regression analysis for variables predicting change of direction (s) ability.

Variable	Model 1			Model 2
	B	SE B	β	B	SE B	β
Maturity status (MS)	−0.08	0.02	−0.34	−0.14	0.07	−0.63
Relative age (RA)	−0.05	0.05	−0.09	−0.27	0.06	−0.05
Interaction MS × RA				0.07	0.07	0.32
R^2	0.12			0.13
F for change in R^2	5.29			3.83

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