## Appendix A
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{} & & \multicolumn{2}{c}{**Smooth Insole**} & \multicolumn{2}{c}{**Texture Insole**} & \multicolumn{2}{c}{**95\% CI for**} & \multirow{2}{*}{**t**} & \multirow{2}{*}{**df**} & \multirow{2}{*}{**\(p\)**} \\ \cline{3-3} \cline{6-10}  & & **M** & **SD** & **M** & **SD** & **Mean Difference** & & & & \\ \hline \multirow{2}{*}{Condition 1} & Healthy & 93.88 & 1.38 & 93.95 & 1.05 & \(-\)0.80 & 0.66 & \(-\)0.204 & 18 & 0.841 \\ \cline{2-10}  & Knee OA & 92.68 & 2.25 & 92.63 & 2.44 & \(-\)1.18 & 1.29 & 0.091 & 18 & 0.928 \\ \hline \multirow{2}{*}{Condition 2} & Healthy & 88.23 & 4.26 & 89.46 & 2.10 & \(-\)2.91 & 0.45 & \(-\)1.536 & 18 & 0.142 \\ \cline{2-10}  & Knee OA & 87.54 & 4.25 & 89.02 & 3.18 & \(-\)3.10 & 0.16 & \(-\)1.899 & 18 & 0.074 \\ \hline \multirow{2}{*}{Condition 3} & Healthy & 90.84 & 3.39 & 91.53 & 2.03 & \(-\)2.04 & 0.67 & \(-\)1.059 & 18 & 0.304 \\ \cline{2-10}  & Knee OA & 86.93 & 5.99 & 89.77 & 5.69 & \(-\)5.74 & 0.05 & \(-\)2.059 & 18 & 0.054 \\ \hline \multirow{2}{*}{Condition 5} & Healthy & 59.33 & 9.02 & 62.32 & 8.87 & \(-\)6.44 & 0.48 & \(-\)1.812 & 18 & 0.087 \\ \cline{2-10}  & Knee OA & 38.93 & 25.04 & 54.49 & 14.74 & \(-\)22.98 & \(-\)8.15 & \(-\)4.410 & 18 & 0.000 * \\ \hline \multirow{2}{*}{Condition 6} & Healthy & 63.70 & 10.79 & 66.86 & 9.55 & \(-\)6.29 & \(-\)0.03 & \(-\)2.118 & 18 & 0.048 * \\ \cline{2-10}  & Knee OA & 48.00 & 22.04 & 61.32 & 16.38 & \(-\)20.19 & \(-\)4.45 & \(-\)3.289 & 18 & 0.004 * \\ \hline \multirow{2}{*}{EQ Comp} & Healthy & 75.15 & 5.64 & 77.58 & 4.71 & \(-\)3.61 & \(-\)1.25 & \(-\)4.337 & 18 & 0.000 * \\ \cline{2-10}  & Knee OA & 64.68 & 13.23 & 72.58 & 9.75 & \(-\)11.62 & \(-\)4.18 & \(-\)4.462 & 18 & 0.000 * \\ \hline \multirow{2}{*}{SOM} & Healthy & 93.97 & 4.07 & 95.22 & 1.93 & \(-\)2.87 & 0.37 & \(-\)1.617 & 18 & 0.123 \\ \cline{2-10}  & Knee OA & 94.46 & 4.08 & 96.12 & 2.97 & \(-\)3.90 & 0.59 & \(-\)1.550 & 18 & 0.138 \\ \hline \multirow{2}{*}{VEST} & Healthy & 63.18 & 9.50 & 66.34 & 9.46 & \(-\)6.96 & 0.65 & \(-\)1.743 & 18 & 0.098 \\ \cline{2-10}  & Knee OA & 41.96 & 26.99 & 58.74 & 15.40 & \(-\)24.68 & \(-\)8.89 & \(-\)4.466 & 18 & 0.000 * \\ \hline \multirow{2}{*}{PMAN} & Healthy & 73.03 & 9.90 & 76.18 & 8.11 & \(-\)5.57 & \(-\)0.73 & \(-\)2.734 & 18 & 0.014 * \\ \cline{2-10}  & Knee OA & 57.71 & 21.08 & 69.22 & 14.15 & \(-\)17.27 & \(-\)5.74 & \(-\)4.196 & 18 & 0.001 * \\ \hline \multirow{2}{*}{M\_BACK} & Healthy & 133.16 & 13.36 & 131.84 & 12.82 & \(-\)2.26 & 4.89 & 0.773 & 18 & 0.450 \\ \cline{2-10}  & Knee OA & 143.68 & 16.49 & 140.79 & 17.66 & \(-\)2.69 & 8.48 & 1.089 & 18 & 0.290 \\ \hline \multirow{2}{*}{L\_BACK} & Healthy & 132.11 & 8.05 & 131.32 & 8.47 & \(-\)3.84 & 5.42 & 0.358 & 18 & 0.725 \\ \cline{2-10}  & Knee OA & 137.89 & 10.71 & 130.63 & 19.52 & \(-\)1.65 & 16.17 & 1.713 & 18 & 0.104 \\ \hline \multirow{2}{*}{M\_FWD} & Healthy & 129.74 & 14.48 & 128.16 & 16.35 & \(-\)3.57 & 6.73 & 0.645 & 18 & 0.527 \\ \cline{2-10}  & Knee OA & 137.89 & 17.43 & 138.68 & 14.61 & \(-\)7.71 & 6.13 & \(-\)0.240 & 18 & 0.813 \\ \hline \multirow{2}{*}{L\_FWD} & Healthy & 128.42 & 9.73 & 130.79 & 8.54 & \(-\)5.72 & 0.98 & \(-\)1.486 & 18 & 0.155 \\ \cline{2-10}  & Knee OA & 137.89 & 14.65 & 136.05 & 14.30 & \(-\)2.02 & 5.71 & 1.000 & 18 & 0.331 \\ \hline \multirow{2}{*}{Latency} & Healthy & 130.63 & 9.01 & 130.53 & 9.07 & \(-\)1.79 & 2.01 & 0.116 & 18 & 0.909 \\ \cline{2-10}  & Knee OA & 139.76 & 10.97 & 137.32 & 12.22 & \(-\)0.57 & 5.46 & 1.704 & 18 & 0.105 \\ \hline \hline \end{tabular}  
* Statistically significant mean difference (\(p<0.05\)).  
\end{table} 
Table 4: Paired t tests results. (Null hypothesis: there are no textured