Table 2. The results of slope of change of gait variables (per week) using the unconditional growth model.

Gait variable	Coefficient	SD	CI	p-value
eMOS (cm/week)	-0.09	0.03	-0.16 –-0.03	0.003
Step time (s/week)	-0.004	0.001	-0.007 –-0.001	0.004
Step length (cm/week)	-0.48	0.12	-0.73 –-0.22	<0.001
Step time CV (%/week)	1.18	0.33	0.52–1.85	<0.001
Step length CV (%/week)	1.24	0.36	0.51–1.96	0.001
Sacrum ML velocity RMS (cm/s)	0.19	0.10	-0.002–0.39	0.05
Gait speed (cm/s/week)	-0.42	0.24	-0.90–0.04	0.07
Step width (cm/week)	0.05	0.06	-0.06–0.18	0.34
Step width CV (%/week)	0.01	0.20	-0.38–0.42	0.93
Sacrum ML ROM (cm/week)	0.40	0.27	-0.12–0.93	0.13

eMOS = estimated margin of stability; CV = coefficient of variation; Sacrum RMS ML velocity = root mean square average of sacrum velocity in mediolateral direction; Sacrum ML ROM = sacrum range of motion in mediolateral direction; SD = standard deviation; CI = 95% confidence interval; α = 0.05.

See the S1 File for complete results.