Table 1.

Participant characteristics.

	Age	Female : male	Education, years	UPDRS, total	Duration of Illness, years	H and Y Stage†	MMSE	BDI	BAI
NTD (n = 19)	64.0 (8.7)	7 : 12	17.7 (2.5)*	23.2 (9.1)	8.0 (4.3)	2 (2)	27.9 (1.2)	9.0 (4.3)	9.4 (5.9)
TD (n = 16)	68.7 (6.2)	6 : 10	15.8 (1.9)	27.4 (9.4)	9.8 (5.9)	1.5 (2)	27.8 (1.0)	7.5 (5.2)	6.9 (3.2)

NTD: nontremor dominant; TD: tremor dominant; UPDRS: Unified Parkinson's Disease Rating Scale; MMSE: Mini-Mental State Exam; H and Y: Hoehn and Yahr; BDI: Beck Depression Inventory; BAI: Beck Anxiety Inventory. All values reported as means and standard deviations unless otherwise noted. *P < .05; ^†median and range are reported.