Table 2.

Linear regression model on the relationship between spatiotemporal, COM, and stride velocity-adjusted COM parameters and age and test condition

	Age	Condition	Age × Condition
Spatial-Temporal Variable
Step Width
β ± SE	0.78 ± 0.43	−90.3 ± 16.8	0.71 ± 0.22
P	0.081	<0.001	0.002
Step Length
β ± SE	−0.006 ± 0.001	0.11 ± 0.03	−0.002 ± 0.0004
P	<0.001	<0.001	<0.001
Stride Velocity
β ± SE	−0.88 ± 0.15	20.7 ± 3.8	−0.40 ± 0.05
P	<0.001	<0.001	<0.001
COM Variable
M-L Peak Velocity
β ± SE	0.05 ± 0.02	−8.05 ± 0.93	0.060 ± 0.01
P	0.020	<0.001	<0.001
M-L Displacement
β ± SE	0.55 ± 0.14	−30.8 ± 7.7	0.25 ± 0.10
P	<0.001	<0.001	0.016
Stride velocity−adjusted COM Variable
M-L Peak Velocity
β ± SE	0.57 ± 0.14	−37.7 ± 7.7	0.29 ± 0.10
P	<0.001	<0.001	0.005
M-L Displacement
β ± SE	0.91 ± 0.16	−60.6 ± 8.2	0.48 ± 0.11
P	<0.001	<0.001	<0.001