Predictors of Gait Speeds and the Relationship of Gait Speeds to Falls in Men and Women with Parkinson Disease

Table 3

Regression model results for SELF, FAST, and DIFF walking speeds.

Block	Variable	𝐵unstd	𝐵std	𝑃	𝑅^2 change	𝑃 (block)
SELF
1	Age	−0.005	−0.277	0.004	0.189	<0.001
2	UPDRS	0.001	0.016	0.906	0.18	<0.001
3	ABC	0.003	0.448	0.001	0.155	<0.001
4	GDS	−0.002	−0.092	0.411	0.002	0.328
	PDQ-39	−0.002	−0.146	0.349
5	CONF	0.003	0.144	0.228	−0.007	0.565
	BEL	0.001	0.021	0.851
	EFFIC	−0.009	−0.117	0.258
					Total; 𝑅^2=0.519^∗∗
FAST
1	Age	−0.008	−0.288	0.002	0.179	<0.001
2	UPDRS	0.001	0.083	0.529	0.184	<0.001
3	ABC	0.004	0.342	0.009	0.146	<0.001
4	GDS	−0.004	−0.085	0.438	0.035	0.026
	PDQ-39	−0.005	−0.283	0.065
5	CONF	0.004	0.124	0.286	−0.003	0.478
	BEL	−0.006	−0.063	0.554
	EFFIC	−0.009	−0.079	0.430
					Total; 𝑅^2=0.541^∗∗
DIFF
1	Age	−0.003	−0.196	0.109	0.057	0.02
2	UPDRS	0.001	0.129	0.458	0.07	0.01
3	ABC	0.001	0.098	0.564	0.045	0.028
4	GDS	−0.001	−0.046	0.750	0.042	0.058
	PDQ-39	−0.004	−0.336	0.095
5	CONF	0.001	0.057	0.710	−0.012	0.584
	BEL	−0.007	−0.136	0.337
	EFFIC	−0.001	−0.008	0.951
					Total; 𝑅^2=0.202^∗

^∗∗𝑃<0.001, ^∗𝑃<0.05 overall model is significant.
𝐵_unstd: unstandardized coefficient; 𝐵_std: standardized coefficient.