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

Table 7

Summary of hierarchical regression analysis for variables predicting RSI ability.

Variable	Model 1			Model 2
	B	SE B	β	B	SE B	β
Maturity status (MS)	−0.04	0.08	−0.06	0.13	0.25	0.18
Relative age (RA)	0.08	0.18	0.05	0.03	0.19	0.02
Interaction MS × RA				−0.18	0.25	−0.26
R^2	0.01			0.01
F for change in R^2	0.22			0.32

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