Table 3.

Results from the linear mixed models for each stability measure.

	Beta	SE	Lower CI	Upper CI	p-Value
λHC
Intercept	0.072	0.015	0.042	0.103	<0.001
Task (ref ST)	−0.011	0.005	−0.020	−0.001	0.024
Gait speed	0.070	0.013	0.045	0.096	<0.001
Group (ref controls)	−0.006	0.007	−0.019	0.007	0.390
Group*Task	0.011	0.005	0.000	0.021	0.043
λTO
Intercept	0.077	0.009	0.060	0.094	<0.001
Task (ref ST)	0.001	0.003	−0.006	0.008	0.756
Gait speed	−0.003	0.007	−0.017	0.011	0.681
Group (ref controls)	0.008	0.004	0.001	0.012	0.029
Group*Task	−0.003	0.004	−0.011	0.004	0.412
λMS
Intercept	0.072	0.009	0.054	0.089	<0.001
Task (ref ST)	0.004	0.003	−0.002	0.010	0.163
Gait speed	0.031	0.008	0.016	0.046	<0.001
Group (ref controls)	0.015	0.004	0.008	0.023	<0.001
Group*Task	−0.005	0.003	−0.011	0.002	0.178
λKantz
Intercept	0.471	0.031	0.410	0.533	0.000
Task (ref ST)	0.009	0.013	−0.017	0.035	0.486
Gait speed	−0.151	0.026	−0.203	−0.100	<0.001
Group (ref controls)	0.020	0.014	−0.007	0.048	0.142
Group*Task	−0.011	0.015	−0.041	0.018	0.452

Lower and upper 95% confidence intervals (CI) for beta are also presented. Bold values indicate significant effects at p < 0.05.