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. 2018 Apr 21;18(4):1275. doi: 10.3390/s18041275

Table 1.

Means and SD for pressure-sensing insole variables with a significant (p < 0.05) mixed-design ANOVA result (Supplementary Table S1). Bold p-values indicate a significant difference between single-task (ST) and dual-task (DT) conditions after correction for multiple comparisons.

Fallers Non-Fallers
ST DT p ST DT p
CoP Path
PD per Stride 1.8 ± 2.7 2.6 ± 3.1 <0.001 1.5 ± 2.0 2.5 ± 2.1 <0.001
Lateral Deviation Length (mm) 0.9 ± 0.6 1.1 ± 0.7 0.165 1.0 ± 1.2 1.4 ± 1.4 0.051
Medial–Lateral (ML) Deviation Duration (s) 0.029 ± 0.013 0.038 ± 0.014 0.029 0.031 ± 0.015 0.037 ± 0.017 0.019
Min Centre of Pressure (CoP) Velocity (m/s) 0.028 ± 0.010 0.021 ± 0.009 0.001 0.031 ± 0.012 0.023 ± 0.010 <0.001
Mean CoP Velocity (m/s) 0.284 ± 0.038 0.249 ± 0.044 <0.001 0.293 ± 0.048 0.250 ± 0.049 <0.001
Median CoP Velocity (m/s) 0.247 ± 0.034 0.208 ± 0.035 <0.001 0.250 ± 0.041 0.213 ± 0.047 <0.001
Temporal
Cadence (steps/minute) 109.6 ± 10.0 98.4 ± 12.9 <0.001 111.9 ± 10.5 96.4 ± 14.9 <0.001
Stride Time (s) 1.11 ± 0.10 1.24 ± 0.18 <0.001 1.09 ± 0.11 1.28 ± 0.21 <0.001
Stance Time (s) 0.73 ± 0.09 0.83 ± 0.13 <0.001 0.72 ± 0.09 0.84 ± 0.15 <0.001
Swing Time (s) 0.38 ± 0.05 0.42 ± 0.07 <0.001 0.37 ± 0.06 0.44 ± 0.07 <0.001
Stride Time CoV 0.03 ± 0.03 0.04 ± 0.02 0.031 0.03 ± 0.01 0.04 ± 0.02 <0.001
Stride Time Symmetry Index 2.13 ± 1.14 2.95 ± 1.79 0.005 2.18 ± 1.41 2.86 ± 1.50 0.026
CoP Path Stance Phase CoV
CoV Anterior–Posterior (AP) 4.90 ± 1.63 5.22 ± 1.42 0.248 4.48 ± 1.54 6.17 ± 2.21 <0.001
CoV ML 6.57 ± 2.44 7.39 ± 2.60 0.059 6.66 ± 2.33 7.70 ± 2.96 0.007
Impulse (Ns/kg)
Foot-strike to first peak (I1) 1.22 ± 0.41 1.40 ± 0.52 0.009 1.20 ± 0.50 1.50 ± 0.66 <0.001
First peak to min (I2) 1.22 ± 0.48 1.10 ± 0.49 0.004 1.27 ± 0.49 1.24 ± 0.51 0.435
Min to second peak (I3) 1.83 ± 0.66 1.95 ± 0.79 0.219 1.58 ± 0.61 1.68 ± 0.63 0.111
Second peak to foot-off (I4) 1.14 ± 0.41 1.43 ± 0.71 0.014 1.05 ± 0.49 1.41 ± 0.85 <0.001
Foot-strike to min (I5) 2.36 ± 0.79 2.42 ± 0.86 0.554 2.44 ± 0.99 2.66 ± 0.90 0.001
Min to foot-off (I6) 2.89 ± 1.00 3.30 ± 1.24 0.009 2.56 ± 0.98 3.01 ± 1.30 <0.001
Foot-strike to foot-off (I7) 5.19 ± 1.62 5.66 ± 1.89 0.026 4.89 ± 1.74 5.61 ± 2.01 <0.001