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. 2022 Nov 2;17(11):e0276989. doi: 10.1371/journal.pone.0276989

Table 3. Average gait and cognitive performance for VRTT and CTT participants during single- and dual-task performances before and after the exercise session.

VRTT (n = 30) CTT (n = 30)
Pre-exercise Post-exercise Pre-exercise Post-exercise
Gait Speed (m/s)
 Single-Task Walking 1.28 ± 0.03 1.33 ± 0.03* 1.25 ± 0.03 1.28 ± 0.03*
 Dual-Task Walking 1.10 ± 0.04 1.18 ± 0.04* 1.06 ± 0.04 1.16 ±0.04*
Gait Speed CV (%)
 Single-Task Walking 4.06 ± 0.17 3.99 ± 0.21 3.66 ± 0.17 3.62 ± 0.21
 Dual-Task Walking 6.78 ± 0.45 6.12 ± 0.54 6.26 ± 0.45 5.83 ± 0.54
Dual-Task Effect (%)
 DTEGS (%) -14.95 ± 1.88 -11.68 ± 1.66* -14.69 ± 1.88 -10.09 ±1.66*
 DTEGSCV (%) -72.93 ± 11.41 -61.33 ± 12.26 -71.17 ± 11.41 -60.95 ± 12.26
Cognitive Response Reaction Time (ms)
 Single-Task Seated 1911.5 ± 107.6 1803.5 ± 132.6* 2080.6 ± 107.6 2026.6 ± 132.6*
 Dual-Task Walking 2203.5 ± 226.9 2047.2 ± 113.9* 2608.0 ±226.9 2143.5 ± 113.9*
Cognitive Response Accuracy (%)
 Single-Task Seated 93.6 ± 1.7 91.0 ± 2.0 94.5 ± 1.7 95.5 ± 2.0
 Dual-Task Walking 87.7 ± 2.2 90.7 ± 1.9 93.6 ± 2.2 95.5 ± 1.9
Cognitive Throughput (correct responses per minute)
 Single-Task Seated 30.69 ± 1.33 31.62 ± 1.57* 29.27 ± 1.33 31.51 ± 1.57*
 Dual-Task Walking 24.85 ± 1.33 27.92 ± 1.33* 25.19 ± 1.33 28.63 ± 1.33*
Dual-Task Effect (%)
 DTERT (%) -16.35 ± 3.65 -14.68 ± 3.56 -20.30 ± 3.65 -9.32 ± 3.56
 DTEACC (%) -6.18 ± 1.95 0.33 ± 1.87* -0.71 ± 1.95 0.60 ± 1.87*
 DTECT (%) -18.11 ± 2.80 -9.76 ± 3.30* -14.82 ± 2.80 -6.11 ± 3.30*

* Indicates a significant main effect of Time at the α = 0.05 level

Values are Mean±SE.