Table 4.
Overview of results on the app’s usability.
| Statement | Strongly agree, n | Agree, n | Neutral, n | Disagree, n | Strongly disagree, n | Mean (SD) | 2-tailed t (df) | P value |
| I would like to use this system frequently | 0 | 9 | 3 | 1 | 0 | 3.6154 (0.6504) | 3.4115 (12) | .005 |
| I think the system is very helpful | 4 | 7 | 1 | 1 | 0 | 4.0769 (0.8623) | 4.5029 (12) | <.001 |
| I think the system design is very simple and easy to use | 4 | 8 | 1 | 0 | 0 | 4.2308 (0.5991) | 7.4073 (12) | <.001 |
| I feel very confident about using the system | 4 | 4 | 3 | 2 | 0 | 3.7692 (1.0919) | 2.5400 (12) | .03 |
| I think that I would need the support of a technical person to be able to use this system | 1 | 3 | 2 | 6 | 1 | 2.7692 (1.1658) | 0.7138 (12) | .49 |