Table 3.

Results of linear mixed effects models examining the effect of baseline probable RBD status on changes in cognitive and functional scores, and psychiatric symptom severity

Measures		PD/pRBD− vs. PD/pRBD+
	B	SE	t	p	r
Cognitive Functioning a
Global Cognition	−0.07	0.05	−1.62	0.11	−0.20
Attention/Working memory	−0.16	0.06	−2.61	0.01	−0.31
Executive Functioning	−0.02	0.07	−0.35	0.73	−0.04
Language*	0.02	0.08	0.21	0.84	0.03
Learning	−0.05	0.06	−0.85	0.40	−0.10
Memory	−0.07	0.06	−1.19	0.24	−0.15
Visuospatial Functioning	−0.10	0.08	−1.28	0.21	−0.16
Functional Capacity b
MMAA	−0.05	0.05	−0.89	0.38	−0.12
UPSA (Finance subscale)	−0.03	0.01	−2.69	0.01	−0.31
IADL Scale**	−0.002	0.03	−0.08	0.94	−0.01
Symptom severity
Geriatric Depression Scalec	−0.03	0.04	−0.78	0.44	−0.10
Trait Anxiety (STAI-T)c	0.03	0.06	0.42	0.68	0.05
Apathy Scale	−0.004	0.04	−0.01	0.92	−0.01

Note. IADL= Instrumental Activities of Daily Living; MMAA = Medication Management Abilities Assessment; PD/pRBD− = Parkinson’s Disease, no REM Behavior Disorder; PD/pRBD+ = Parkinson’s Disease, with REM Behavior Disorder; STAI = State Trait Anxiety Inventory; UPSA = UCSD Performance-Based Skills Assessment.

^aControlling for education and gender

^bControlling for age at baseline

^cControlling for gender

^*also controlling for age at baseline

^**also controlling for baseline depression severity