TABLE 5.

The estimated weights and loadings of the body size, severity of Parkinson’s disease, gait function, and force under left foot on their indicator variables obtained from the original GSCA combined with functional PCA

Component	Indicator Variable	Weight	95% Confidence Interval		Loading	95% Confidence Interval
			Lower Limit	Upper Limit		Lower Limit	Upper Limit
Body Size	Height	.59	.10	.93	.69	.13	.95
	Weight	−.72	−.98	.82	−.81	−.99	.86
Severity of Parkinson’s Disease	HY	.17	−.07	.33	.27	−.15	.55
	UPDRS	.51	.39	.61	.97	.95	.99
	UPDRSm	.48	.36	.58	.94	.89	.98
Gait Function	TUG	−.38	−.59	−.31	−.87	−.93	−.81
	Walking Speed	.69	.51	.76	.96	.88	.98
Force Under Left Foot	Component 1	.51	−.40	.89	.51	−.60	.91
	Component 2	−.33	−.56	.31	−.33	−.69	.53
	Component 3	.77	.02	.89	.77	−.08	.90
	Component 4	−.19	−.46	.29	−.19	−.61	.49