Participants were asked to wear pedometers
during all waking hours for a 7-day period between the 2 baseline
treadmill tests and to log compliance. Participants completed generic
(ie, not disease specific) and disease-specific QOL surveys (Medical
Outcomes Study 12-Item Short Form [SF-12],27 Walking Impairment
Questionnaire [WIQ],5 and Peripheral Artery Questionnaire
[PAQ