Table 2.

Study outcome measures

	Measurement Time Point
	Baseline	Six-month follow-up.	Twelve-month follow-up
Six-minute walk	X	X1	X2
Treadmill walking performance	X	X2
Walking Impairment Questionnaire	X	X2	X2
Short-Form 12 (Health-Related Quality of Life Measure)	X	X2	X2
Physical activity level	X	X2	X2
Measures of behavioral mediators4	X	X3	X3

1=Primary outcome measure

2=Secondary outcome measure

3=Exploratory outcome measure

4=These measures are detailed in Table 3.