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. Author manuscript; available in PMC: 2017 Jul 5.
Published in final edited form as: Proc IEEE Int Conf Pervasive Comput Commun Workshops. 2017 May 4;2017:10.1109/PERCOMW.2017.7917600. doi: 10.1109/PERCOMW.2017.7917600

TABLE IV.

Whole Body Movement (WBM) Metric Results

Metric μ S 1 SDS1 μ S 2 SDS2 Effect
Size
COM RMS 0.08 0.06 0.11 0.10 1.87*
COM Smoothness of
RMS
0.75 0.59 1.10 1.04 1.90*
Sit-to-stand RMS 0.65 0.64 0.85 0.67 0.71*
Sit-to-stand peak
angular velocity
84.02 37.96 72.46 44.47 −0.37
Smoothness index 1.60 0.65 2.01 0.97 1.82*
Stand-to-sit RMS 0.38 0.45 0.36 0.30 −0.07
Stand-to-sit peak
angular velocity
126.87 36.75 118.45 42.08 −0.26
Vehicle load RMS 0.10 0.11 0.16 0.16 1.37*
Vehicle load peak
angular velocity
81.94 36.62 78.27 26.32 −0.10
Vehicle unload RMS 0.16 0.12 0.29 0.37 2.71*
Vehicle unload peak
angular velocity
74.45 47.85 68.45 35.89 −0.15

COM = center of mass, RMS = root mean square, S1 = session 1, S2 = session 2, SD = standard deviation, μ = mean,

*

= significant at the 95% confidence level.