Table 2.

Linear regression analysis: Predictors of mean current quality of life.

	Unstandardized Coefficients		Standardized Coefficients	t	p
	b	SE	β
Entire cohort
Constant	77.23	2.19	-	35.16	<0.001
PHQ-9	−1.53	0.23	0.70	−6.73	<0.001
Education level (high)	6.61	2.15	0.15	3.13	0.002
Living situation (alone)	−7.01	2.86	0.09	−2.45	0.016
Condition (Parkinson’s disease)	−3.89	2.13	0.05	−1.82	0.071
Parkinson’s disease
Constant	69.74	3.49	-	19.99	<0.001
PHQ-9	−1.12	0.29	0.54	−3.95	<0.001
Education level (high)	7.77	2.85	0.26	2.73	0.008
Living situation (alone)	−9.11	3.81	0.20	−2.39	0.019

PHQ-9 indicates Patient Health Questionnaire-9.