. 2018 Sep 11;9:754. doi: 10.3389/fneur.2018.00754

Table 2.

Standard Coefficient (beta) in multiple regression analyses of 3 models.

	Model 1			Model 2			Model 3
	PDQ-39	PCS	MCS	PDQ-39	PCS	MCS	PDQ-39	PCS	MCS
Age	0.21^*	0.17	0.19	0.20^*	0.18	0.12	0.20^*	0.09	0.11
Gender	0.01	0.04	0.09	0.01	0.08	0.04	0.03	0.01	0.07
Duration of PD	0.18	0.23^*	0.17	0.15	0.22^*	0.13	0.12	0.22^*	0.14
UPDRS	0.44^**	0.36^**	0.50^**	0.40^**	0.37^*	0.46^*	0.44^**	0.35^*	0.44^**
P-neuroticism				0.27^**	0.22^**	0.24^**	0.20^*	0.22^*	0.20^*
P-conscientiousness				−0.03	−0.20^*	−0.07	−0.06	−0.32	−0.21
C-neuroticism							0.03	0.06	0.05
C-conscientiousness							−0.22^**	−0.11	−0.24^**
Adjusted R²	0.36	0.35	0.26	0.50^*	0.47	0.37^*	0.54^**	0.55	0.48^*

Standardized Coefficients (beta) values above are significant at

P < 0.05 (2-tailed), and

^**

P < 0.01 (2-tailed).

PDQ-39, Parkinson's Disease Questionnaire-39 Items; PCS, physical component summary of PDQ-39; MCS, mental component summary of PDQ-39; UPDRS, Unified Parkinson's Disease Rating Scale; P-neuroticism, neuroticism personality of patient; P-conscientiousness, conscientiousness personality of patient; C-neuroticism, neuroticism personality of caregivers; C-conscientiousness, conscientiousness personality of caregiver; PD, Parkinson's Disease.