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Table 2 Quantitative outcome measures *

From: Development and initial evaluation of a treatment decision dashboard

Scale component Items
Ease of use, mechanical a. I found the program easy to use
b. It was easy to find information and move through the program.
c. The design of the program was appropriate.
d. I think I could learn to use the program on my own.
Ease of use, cognitive a. I found the program clear and easy to understand.
b. The program provides accurate information.
c. The program provides believable information.
d. The program provides relevant information.
e. The program provides easy to understand information.
f. The program provides information at the right level of detail.
g. The program provides information in an appropriate format.
Ease of use, emotional a. I felt nervous using the program.
b. I would not wish to use the program to help with my medical care because I am afraid I would make mistakes.
c. The program was intimidating to me.
Decision-aiding effectiveness a. I would find this program useful in treating my arthritis pain.
b. Using this program would help me learn about my treatment options more quickly.
c. Using this program would increase my chances of controlling my arthritis pain safely and effectively.
d. If I could, I would use this program.
e. I think the program would make it easier for me to talk to my doctor about my arthritis pain treatment.
f. I feel confident that the program would help me treat my arthritis pain better.
g. The program would help me get the arthritis treatment that is best for me.
Decisional conflict scale, informed sub-scale a. I know what options are available to me for treating my arthritis pain.
b. I know the benefits of each option.
c. I know the risks & side effects of each option.
Decisional conflict scale, values clarification sub-scale a. I am clear about which benefits matter most to me.
b. I am clear about which risks and side effects matter most to me.
c. I am clear about which benefits, risks, and side effects matter most to me.
Decisional conflict scale, uncertainty sub-scale a. I am clear about the best choice for me.
b. I feel sure about what to choose.
  c. The decision is easy for me to make.
  1. * Possible responses to all items consisted of a 7-point scale ranging from strongly disagree to strongly agree. Sub-scale scores were calculated using the mean item response.