TABLE 4.

Estimated regression equations predicting HRPF parameters without outlier data.

Regression model	R	R2	Adjusted R2	F-value	P value	SEE
HGS (SRE 27: n = 253,339) = 37.138 − (10.190 × gender) + (0.988 × BMI) − (0.457 × percent body fat) − (0.042 × age)	0.932	0.870	0.870	422,009.836	0.000	3.27
Sit and reach (SRE 31: n = 263,737) = 0.005 + (10.762 × gender) − (0.432 × percent body fat) + (0.339 × BMI) + (0.009 × age)	0.546	0.298	0.298	28,019.748	0.000	5.64
Sit-ups (SRE 34: n = 268,182) = 62.443 − (1.015 × percent body fat) − (0.392 × age) + (0.783 × BMI) − (5.287 × gender)	0.867	0.751	0.751	202,721.241	0.000	7.44
Estimated VO2max (SRE 44: n = 151,314) = 61.068 − (0.197 × percent body fat) − (5.920 × gender) − (0.133 × age) − (0.305 × BMI)	0.941	0.885	0.885	290,332.119	0.000	1.77

HRPF, health-related physical fitness; SEE, standard error of estimation; SRE, studentized residual; gender: 1 = male, 2 = female; BMI, body mass index; HGS, hand grip strength; VO_2max, maximal oxygen uptake.