Table 1.

Participants characteristics (N=52).

Demographics and gait metrics			Value
Female, n (%)		19 (37)
Age (years), mean (SD)		63 (10)
Education (years), mean (SD)		11 (3)
Height (m), mean (SD)		1.7 (0.9)
Body mass (kg), mean (SD)		70 (21)
Duration of Parkinson disease (years), mean (SD)		6.4 (3.8)
UPDRS IIIa		38.3 (15.1)
MoCAb, mean (SD)		22 (4)
HAM-Ac, mean (SD)		11.8 (4)
HAM-Dd, mean (SD)		11.1 (5.1)
Stride time, mean (SD)
	single task (s)	1.09 (0.08)
	dual task (s)	1.17 (0.12)
	DTCe (%)	2.7 (6)
Stride time variabilityf , mean (SD)
	single task (%)	40 (22)
	dual task (%)	63 (19)
	DTC (%)	5.1 (39.4)

^aUPDRS III: Unified Parkinson Disease Rating Scale III.

^bMoCA: Montreal Cognitive Assessment.

^cHAM-A: Hamilton Anxiety Scale.

^dHAM-D: Hamilton Depression Scale.

^eDTC: dual task cost.

^fRatio of the SD to the mean of stride time.