Table 1.

Demographics and activity characteristics of each group.

	OA (N = 20)		PD (N = 29)		p
	Mean	SD	Mean	SD
Age (years)	66.85	7.16	67.66	5.27	0.45
Height (m)	1.70	0.18	1.71	0.13	0.32
Weight (kg)	74.61	9.38	75.95	12.74	0.91
Male/Female (#)	12/8		17/12
Bouts/hour (#)	22.37	1.95	20.72	1.30	0.68
Turns/hour (#)	102.89	10.96	77.67	7.59	0.03

OA = Old Adults; PD = Parkinson’s disease; SD = standard deviation.