Table A1.

Result of selected features from each classification model.

Model Name	Result of Selected Features
Time domain features only	Variance of left foot acceleration Z, Mean of left foot acceleration Y, Mean of left shank acceleration X, Mean and kurtosis of left thigh acceleration X, Skewness of left shank acceleration Z, Skewness of left thigh acceleration X, Variance of right foot acceleration X, Mean of right foot acceleration Z, Kurtosis of L5 acceleration X, Kurtosis of right thigh acceleration X, Skewness of right foot acceleration X, Skewness of right thigh acceleration X, Variance of left foot gyroscope X, Y, and Z, Variance of left shank gyroscope X and Y, Variance of left thigh gyroscope Y, Kurtosis of L5 gyroscope Z, Kurtosis of left shank gyroscope X, Skewness of left foot gyroscope Y, Skewness of left thigh gyroscope Y and Z, Variance of right shank gyroscope X, Y, and Z, Variance of right thigh gyroscope X and Y, Mean of right foot gyroscope Y, Mean of right shank gyroscope Y, Kurtosis of right foot gyroscope X and Y, Kurtosis of right shank gyroscope X, Kurtosis of right thigh gyroscope Z, Skewness of right foot gyro X and Z, Skewness of right shank gyroscope X and Y.
Gait temporal features only	Right stance percentage, Right swing time, Right swing percentage, Swing ratio
Combination features (gait temporal and time domain frequency)	Right stance percentage, Right swing time, Right swing percentage, Swing ratio, Variance of left foot acceleration Z, Mean of left foot acceleration Y, Mean of left shank acceleration X, Mean and kurtosis of left thigh acceleration X, Skewness of left shank acceleration Z, Skewness of left thigh acceleration X, Variance of right foot acceleration X, Mean of right foot acceleration Z, Kurtosis of L5 acceleration X, Kurtosis of right thigh acceleration X, Skewness of right foot acceleration X, Skewness of right thigh acceleration X, Variance of left foot gyroscope X, Y, and Z, Variance of left shank gyroscope X and Y, Variance of left thigh gyroscope Y, Kurtosis of L5 gyroscope Z, Kurtosis of left shank gyroscope X, Skewness of left foot gyroscope Y, Skewness of left thigh gyroscope Y and Z, Variance of right shank gyroscope X, Y, and Z, Variance of right thigh gyroscope X and Y, Mean of right foot gyroscope Y, Mean of right shank gyroscope Y, Kurtosis of right foot gyroscope X and Y, Kurtosis of right shank gyroscope X, Kurtosis of right thigh gyroscope Z, Skewness of right foot gyro X and Z, Skewness of right shank gyroscope X and Y.
L5 sensor placement	Variance of gyroscope X and Z, Kurtosis of gyroscope Z, Mean of acceleration Z, Kurtosis of acceleration X, Right stride time, Right stance time, Right swing time and percentage, First Double Limb Support time and percentage, Stride and Swing ratio.
Foot sensor placement	Variance of left foot gyroscope Y, Skewness of left foot gyroscope Y, Variance of right foot acceleration X, Mean of right foot acceleration Z, Skewness of right foot acceleration X, Kurtosis of right foot gyroscope X, Mean of right foot gyroscope Y, Skewness of right foot gyroscope Z, Right stance percentage, Right swing time and percentage, Stride and Swing ratio.
Shank sensor placement	Skewness of left shank acceleration Z, Variance of left shank gyroscope X, Variance of right shank gyroscope X and Y Mean of right shank gyroscope Y, Kurtosis of right shank gyroscope X, Skewness of right shank gyroscope X and Y, Right stance percentage, Right swing time and percentage, Stride and Swing ratio.
Thigh sensor placement	Variance of left thigh gyroscope Y, Skewness of left thigh gyroscope Y, Skewness of right thigh acceleration X, Variance of right thigh gyroscope X and Y, Kurtosis of right thigh gyroscope Z, Right stance percentage, Right swing time and percentage, Stride and Swing ratio.