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. Author manuscript; available in PMC: 2016 Apr 18.
Published in final edited form as: Gerontechnology. 2015;13(3):359–367.

Table 2.

Summary of gait and mobility test results; paired t-test*= p<0.05; NBOS=Normal base-of-support; WBOS=Widened base-of-support; TGI=Tandem gait index

Trial type Measure Mean±SD
p value
NBOS WBOS
Gait Preferred speed Walking velocity, cm/s 134±19.4 13.2±23.8 0.69
Double support period, % 25.1±2.9 25.7±2.7 0.20
Stride length, cm 141±13.1 142±16.5 0.68
Stride time, s 1.1±0.1 1.1±0.1 0.38
Stride width, cm 12.6±3.1 13.6±3.2 0.02*

Maximum speed Walking velocity, cm/s 177±19.8 176±20.6 0.91
Double support period, % 21.9±2.4 22.0±2.6 0.85
Stride length, cm 159±13.6 162±14.4 0.07
Stride time, s 0.91±0.1 0.92±0.1 0.39
Stride width, cm 12.1±3.5 13.2±3.5 0.01*

Mobility Tandem gait TGI 25.9±11.7 27.8±17.0 0.60
Timed Up & Go (TUG) Time, s 10.1±1.9 10.1±1.7 0.98
180 degrees turn test Time, s 2.5±0.8 2.7±1.0 0.15
Steps taken, steps 3.8±0.9 3.9±0.9 0.43