Table 2.
Top 3 most important nutrition app functionalities per use phase and the corresponding user-centric app aspect (n=1420).
| Phase and app functionalitya | Values, mean (SD) | User-centric app aspect | |||
| Start | |||||
|
|
Immediately clear how app should be used | 5.45 (1.32) | Introduction | ||
|
|
The app has a clear purpose | 5.40 (1.40) | Purpose | ||
|
|
Possibility to track food intake at own time | 5.33 (1.45) | Personalization | ||
| Use | |||||
|
|
Complete and reliable product database | 5.58 (1.41) | Database | ||
|
|
Easy navigation through the app | 5.56 (1.36) | User-friendliness | ||
|
|
Limited advertisements in free version | 5.53 (1.51) | User-friendliness | ||
| End | |||||
|
|
Possibility to set realistic and achievable goals | 5.23 (1.44) | Continuous engagement | ||
|
|
Possibility to set new personal goals | 5.13 (1.45) | Continuous engagement | ||
|
|
New and relevant information is continuously offered | 4.88 (1.44) | Continuous engagement | ||
aMeasured on a 7-point Likert scale (1=very unimportant and 7=very important).