Table 3.

Stepwise multiple regression analysis models

Variable	Ratios	R2	F-value	p Value	β	95% CI
Total time	2D:4DD	0.283	9.491	0.005 **	0.532	− 0.048 to − 0.009
Performance time	2D:4DD	0.283	10.850	0.002 **	0.558	− 0.038 to − 0.009
HGSn-D	2D:4DD	0.407	15.075	0.001 **	0.638	− 0.016 to − 0.005
Aerobic power	2D:4Dn-D	0.401	14.732	0.001 **	0.633	0.024 to 0.081
Time on the treadmill	2D:4Dn-D	0.401	14.732	0.001 **	0.633	0.796 to 2.668
Cortisol	2D:4DD	0.336	11.151	0.003 **	0.580	− 0.001 to ≤ 0.0001
	2D:4Dn-D	0.280	8.568	0.008 **	0.529	≤ 0.0001 to ≤ 0.0001
Body mass	2D:4Dn-D	0.277	8.431	0.008 **	0.526	0.001 to 0.006
BMI	2D:4Dn-D	0.215	6.035	0.022 *	0.464	0.001 to 0.016

^*P < 0.05, **P < 0.01, 2D:4D_D: Second digit to fourth Digit ratio of Dominant Hand, 2D:4D_n-D: Second digit to fourth Digit ratio of non-Dominant Hand; HGSn-D: hand-grip strength of non-Dominant Hand. BMI: Body mass index