Table 3.

The statistics of the dual-task cost during Task 2 and Task 3.

	Task 2			Task 3
	CG	EG	Significance	CG	EG	Significance
	Mean ± SD	Mean ± SD	p	Mean ± SD	Mean ± SD	p
Step length	−0.12 ± 7.07	1.22 ± 7.25	0.532	−0.12 ± 7.07	1.22 ± 7.25	0.532
Step speed	−1.20 ± 7.17	−5.32 ± 8.25	0.071	−1.20 ± 7.17	−5.32 ± 8.25	0.071
Step frequency**	−0.82 ± 6.59	−6.41 ± 6.89	0.007	−0.82 ± 6.59	−6.41 ± 6.89	0.007
Step time**	1.26 ± 6.77	7.45 ± 8.67	0.007	1.26 ± 6.77	7.45 ± 8.67	0.007
Support time**	1.26 ± 7.82	8.66 ± 9.98	0.005	1.26 ± 7.82	8.66 ± 9.98	0.005
Support phase*	0.04 ± 1.53	1.08 ± 1.64	0.030	0.04 ± 1.53	1.08 ± 1.64	0.030

*p < 0.05; **p < 0.01.