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

Table 1

Regression model specification.

Block	Predictor variable(s)	Outcome variable(s)
(1) Age	Age	SELF, FAST, DIFF
(2) Disease severity	MDS-UPDRS	SELF, FAST, DIFF
(3) Balance confidence	ABC	SELF, FAST, DIFF
(4) Mood/quality of life	GDS; PDQ	SELF, FAST, DIFF
(5) Attitudes about exercise	BEL; CONF; EFFIC	SELF, FAST, DIFF
(1) Disease severity	MDS-UPDRS	DIFF M/F
(2) Balance confidence	ABC	DIFF M/F
(3) Mood/quality of life	GDS; PDQ	DIFF M/F
(4) Attitudes about exercise	BEL	DIFF M/F