Table 3.
Mean and standard deviation of responses to all individual questions in the SUS questionnaire plus the additional question, for all consumers (N=233).
| Question | Value, mean (SD)a |
| I think that I would like to use this system frequently | 2.4 (1.1) |
| I found the system (was not) unnecessarily complex | 2.8 (1.0) |
| I thought the system was easy to use | 2.8 (0.9) |
| I think that I would (not) need the support of a technical person to be able to use this system | 3.0 (1.1) |
| I found the various functions in this system were well integrated | 2.7 (0.8) |
| I thought there was (not) too much inconsistency in this system | 2.7 (0.9) |
| I would imagine that most people would learn to use this system very quickly | 2.9 (1.0) |
| I found the system (not) very cumbersome to use | 2.7 (1.0) |
| I felt very confident using the system | 2.6 (1.0) |
| I did (not) need to learn a lot of things before I could get going with this system | 2.7 (1.1) |
| I believe the FoodSmart App will be useful to customers in a canteen setting to help them to get informed about the dishes offered | 3.1 (0.9) |
a0=strongly disagree and 4=strongly agree.