Strongly disagree	Some what disagree	Neitheragreenor disagree	Some what agree	Strongly agree
1. I enjoyed the steps to get started wearing the AFO. (trialability)	2	3	4	5
a. I was comfortable wearing the AFO from the beginning	2	3	4	5
b. The fitting of the AFO was easy	2	3	4	5
c. In my opinion the fitting of the AFO could be improved	2	3	4	5
2. The AFO has advantages compared to other things that I have tried to improve PAD or help me walk more. (Relative advantage)	2	3	4	5
a. I have previously participated in other health programs to help me walk more.	2	3	4	5
b. The AFO worked better than other things I tried to help me be more physically active	2	3	4	5
3. I was able to wear the AFO device when I began the study(usability)	2	3	4	5
a. It was easy for me to put on the AFO when I started wearing the AFO	2	3	4	5
b. I was able to underst and how to wear the AFO when I got it	2	3	4	5
4. The orthoti stvisit was easy(usability)	2	3	4	5
a. In my opinion the orthotist visit needed no improvement	2	3	4	5
b. The instructions I got from the orthotist were not complex	2	3	4	5
5. The AFO fits well with my lifestyle. (compatibility)	2	3	4	5
a. The AFO is helping me with my daily activities	2	3	4	5
b. The ability to wear the AFO made it easy to fit into my routine	2	3	4	5
6. I liked my experiences with AFO(support personnel compatibility)	2	3	4	5
a. I liked my experiences with the research team	2	3	4	5
b. I liked my experiences with the orthotist	2	3	4	5
c. I liked the support I got from the health care providers related to the AFO	2	3	4	5
7. I could see my progress from wearing the AFO(observability)	2	3	4	5
a. I had success wearing the AFO	2	3	4	5
b. It was easy for me to know if I was being successful wearing the AFO	2	3	4	5
c. Peo ple I know could see the progress I made with the AFO	2	3	4	5
8. Even though the AFO was free, I had no new out of pocket costs from the program (lowcost)	2	3	4	5
a. Participating in the AFO intervention did not change my out of pocket costs.	2	3	4	5
b. I saved money by wearing the AFO.	2	3	4	5
9. To be successful, the time I needed to wear the AFO was enough (compatibility)	2	3	4	5