Table 3.
Summary of all rated app potential requirements. Behavior change techniques or gamification components rated as “fully applied” and “partially applied” were included in the analysis.
| App potential requirements | Mean (SDa) | Range | Scale | |
| R1: functions | ||||
| Tracking functions | 4.21 (3.39) | 0-11.00 | 0-16.00 | |
| Information functions | 3.21 (2.63) | 0-8.00 | 0-12.00 | |
| Assessment functions | 0.87 (0.98) | 0-3.00 | 0-5.00 | |
| Notification functions | 1.26 (1.65) | 0-5.00 | 0-5.00 | |
| Functions (overall) | 9.55 (5.73) | 1.00-24.00 | 0-42.00 | |
| R2: behavior change techniques | 7.12 (4.46) | 1.00-19.00 | 0-26.00 | |
| R3: gamification components | ||||
| System design | 2.20 (1.35) | 0.50-4.00 | 0-7.00 | |
| Challenges | 0.22 (0.60) | 0-3.00 | 0-3.00 | |
| Rewards | 0.26 (1.07) | 0-6.00 | 0-6.00 | |
| Social influences | 1.37 (1.24) | 0-5.00 | 0-11.00 | |
| User specifics | 0.84 (0.74) | 0-4.00 | 0-4.00 | |
| Gamification components (overall) | 4.89 (4.21) | 0.50-24.50 | 0-31.00 | |
| R4: MARSb scales | ||||
| Engagement | 2.77 (0.78) | 1.00-4.73 | 1.00-5.00 | |
| Functionality | 3.55 (0.57) | 1.75-4.42 | 1.00-5.00 | |
| Aesthetics | 3.12 (0.68) | 2.00-4.78 | 1.00-5.00 | |
| Information quality | 3.24 (0.66) | 1.40-4.33 | 1.00-5.00 | |
| Subjective quality | 2.65 (0.87) | 1.00-4.50 | 1.00-5.00 | |
| App quality | 3.17 (0.58) | 1.54-4.55 | 1.00-5.00 | |
aSD: standard deviation.
bMARS: Mobile Application Rating Scale.