TABLE 3.

Model summary of stepwise regression to predict race speed from anthropometric and neuromuscular characteristics.

Model	Variables	R	R2	SEE	ΔR2
1	BFa (−0.644)b	0.644	0.415	1.44	0.415
2	BF (−0.603), agea (−0.229)	0.683	0.466	1.38	0.051
3	BF (−0.403), age (−0.224), BMIa (−0.285)	0.712	0.507	1.33	0.041
4	BF (−0.446), age (−0.307), BMI (−0.277), CMJa (−0.199)	0.733	0.537	1.29	0.030

BF, body fat percentage; BMI, body mass index; CMJ, countermovement jump; R, coefficient of multiple correlation; R², coefficient of determination; SEE, standard error of the estimate; ΔR², R² change resulting from entering a new variable, ^a denotes variable entered in each model, ^b standardized beta value was presented in brackets next to variable.