Table 2. Stroop test performance (unit: No. of correct answers).

	Before Intervention	After Intervention	Follow up
Single-task training group	32.50 ± 14.30	33.10 ± 13.07	34.20 ± 14.80
Dual-task training group	40.70 ± 15.68	51.00 ± 15.88	52.10 ± 16.62*

Values are represented as mean ± SD. *p < 0.05 relative to the single-task training group before intervention by 2-way ANOVA