Table 4.

Factors associated with QoL in stepwise multiple linear regression model.

Model	Unstandardized Coefficients		Standardized Coefficients	t	P
	B	Std. Error	Beta
HAMA	0.643	0.125	0.339	5.148	<0.001
ABC	-0.175	0.037	- 0.254	-4.703	<0.001
UPDRS-II score	0.665	0.154	0.225	4.310	<0.001
ESS	0.562	0.139	0.196	4.044	<0.001
HAMD	0.632	0.189	0.222	3.344	0.001
Disease duration	0.716	0.296	0.116	2.417	0.017
Adjusted R2	0.753