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Table 1 Semi-structured interview questions

From: Influence of the intelligent knee osteoarthritis lifestyle app (iKOALA) on knee joint pain

1

General

1a

1b

How would you describe your experience with the iKOALA App?

Have you ever used a website or app’s that have a similar purpose to iKOALA? (i.e. provides information, physical activity advice or social support).

2

Features

2a

Can you tell me what the most useful features of the iKOALA app were for you?

2b

Was there anything you didn’t use or didn’t find useful?

2c

Can you tell me anything about the app that you thought was particularly good?

2d

Can you tell me anything about the app that you were less keen on?

2e

Is there anything else you would like to see included in the app?

3

Usability

3a

Overall, how easy did you find it to learn how to use the app?

3b

Did you use the information included in help function to help you understand iKOALA?

3c

Is there anything about how the app works in general or the ease of navigating the app that you would like to comment on?

3d

If you were to continue using iKOALA, how often do you think you would use it?

4

Potential for use

4a

Do you think you would continue using this app and if so, what would you use it for mostly?

4b

Is there anything you think would make you more likely to use iKOALA more frequently?

4c

Is there anything else you would like to add?