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Sample Characteristicsa
H&Y=Hoehn and Yahr Scale, GDS=Geriatric Depression Scale, PASE=Physical Activity Scale for the Elderly, SAM=StepWatch 3 Activity Monitor.
b Significantly different between the exercise group and the nonexercise group.
c The SAM data were collected from a subset of 100 participants (73 in the exercise group and 27 in the nonexercise group).
