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. 2020 Jul 10;8(7):e17893. doi: 10.2196/17893

Table 3.

Presession Kano survey: importance by participant group (n=13).

App feature Importance (9-point Likert scale: 1=not at all important to 9=extremely important) Mean adjusted importance (n=13)

Patients (n=6) Physicians (n=3) Researchers (n=3)

Mean (SD) Ranka Mean (SD) Ranka Mean (SD) Ranka Mean (SD) Overall rank a,b
If the app could show you a graph of your 7-year osteoarthritis severity prediction, how do you feel? 7.3 (1.03) 6 4.3 (2.08) 8 6.0c (1.41) 9 6.27 (1.85) 9
If the app could help you to set goals and follow through, how do you feel? 8.2 (0.98) 2 8.3 (0.58) 2 8.7 (0.58) 1 8.33 (0.78) 1
If the app could help you set a plan with various exercises and track them daily, how do you feel? 6.7 (2.94) 7 8.7 (0.58) 1 7.7 (1.53) 5 7.42 (2.27) 6
If the app could allow you to track your pain symptoms over time, how do you feel? 7.8 (1.33) 4 7.7 (1.53) 4 8.3 (0.58) 4 7.92 (1.16) 4
If the app could allow you to track your stiffness symptoms over time, how do you feel? 7.5 (1.22) 5 6.0 (2.65) 7 6.3 (1.15) 8 6.83 (1.64) 7
If the app could allow you to track your functional impairment symptoms over time, how do you feel? 8.0 (1.26) 3 8.3 (1.15) 2 8.7 (0.58) 2 8.25 (1.06) 2
If the app could show you a graph of your symptoms over time, how do you feel? 8.5 (0.84) 1 6.7 (2.08) 6 8.3 (0.58) 3 8.00 (1.35) 3
If the app could give you strategies to help you self-manage your arthritis, how do you feel? 7.3 (1.21) 6 8.0 (0) 3 7.3 (1.15) 7 7.50 (1.00) 5
If the app could let you flag certain days where arthritis impacted your plans, how do you feel? 5.2 (2.56) 9 4.0 (2.0) 9 7.7 (0.58) 6 5.50 (2.39) 10
If the app could give you reminders to update your information (symptoms, exercise, goal tracking), how do you feel? 6.3 (2.16) 8 7.0 (1.0) 5 5.7 (0.58) 10 6.33 (1.61) 8

aRank subjectively assessed based on a combination of mean scores and overall mean adjusted scores, 1=highest rank, 10=lowest rank.

bItalics emphasize the overall rank for each functional requirement.

c2 responses only.