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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Gait Posture. 2013 Jan 29;38(3):403–409. doi: 10.1016/j.gaitpost.2013.01.006

Table 2.

Mean (Standard Deviation) for Gait Measures Across Groups and Conditions (Standard Walk and Dual-Task Walk) and results of statistical analysis

ETp-LCS ETp-HCS Controls Group Group post-hoc analysis Condition Age Group
×
Condition
SW DTW SW DTW SW DTW ETp-LCS
Vs
ETp-
HCS
ETp-
LCS
vs
C
ETp-
HCS
vs
C
Velocity, m/sec
(SD)
0.72
(0.24)
0.46
(0.21)
0.89
(0.31)
0.61
(0.26)
0.99
(0.33)
0.71
(0.24)
0.0001 0.001 0.0001 0.11 0.003 0.0001 0.81
Stride length, m
(SD)
0.91
(0.23)
0.73
(0.21)
1.03
(0.23)
0.85
(0.24)
1.08
(0.21)
0.93
(0.20)
0.0001 0.003 0.0001 0.06 0.021 0.005 0.2
Cadence, steps/min
(SD)
89.11
(15.31)
70.30
(20.07)
97.04
(14.46)
78.27
(17.78)
101.55
(11.98)
86.01
15.46)
0.004 0.004 0.003 0.57 0.035 0.0001 0.26
Stride time, sec
(SD)
0.56
(0.26)
0.99
(0.77)
0.49
(0.32)
0.74
(0.43)
0.42
(0.29)
0.56
(0.21)
0.002 0.01 0.001 0.18 0.465 0.006 0.03
Double support
time, sec
(SD)
1.39
(0.32)
1.89
(0.83)
1.27
(0.28)
1.63
(0.48)
1.21
(0.21)
1.46
(0.32)
0.009 0.029 0.003 0.29 0.46 0.0001 0.005
Step width, m
(SD)
0.12
(0.04)
0.14
(0.05)
0.11
(0.03)
0.12
(0.04)
0.01
(0.41)
0.11
(0.46)
0.05 0.04 0.03 0.71 0.21 0.002 0.4
Step length
difference, m
(SD)
0.06
(0.08)
0.16
(0.24)
0.04
(0.06)
0.06
(0.07)
0.03
(0.05)
0.05
(0.07)
0.15 0.1 0.07 0.7 0.11 0.23 0.22
Step time
Difference, sec
(SD)
0.11
(0.58)
0.04
(0.08)
0.03
(0.02)
0.04
(0.08)
0.03
(0.05)
0.03
(0.03)
0.003 0.001 0.01 0.8 0.02 0.0001 0.013
CV stride length, %
(SD)
5.66
(5.77)
13.28
(16.17)
4.59
(8.40)
7.33
(4.84)
3.24
(4.8)
6.12
(4.76)
0.15 0.14 0.06 0.54 0.34 0.0001 0.44
CV Stride time, %
(SD)
5.85
(4.93)
8.55
(8.68)
4.59
(4.83)
6.91
(4.93)
4
(4.54)
5.34
(2.94)
0.007 0.005 0.006 0.76 0.33 0.0001 0.03

ETp-LCS = ET participants with lower cognitive test scores; ETp-HCS = ET participants with higher cognitive test scores; C= control; SW= Standard walk; DTW= Dual-task walk; SD= Standard deviation; CV= Coefficient of variation; Statistically significant values in bold