Table 6 Descriptive statistics of the mHealth usability questionnaire main criteria (n = 30) Disagreement (1–3) Borderline (4) Agreement (5–7)
From: Design and usability evaluation of a mobile application for self-care among Iranian adolescents
Dimensions of Usability | Questions | Disagreement | Borderline | Agreement | Mean ± SD | Level |
|---|---|---|---|---|---|---|
N (%) | N (%) | N (%) | ||||
Ease of Use | Q1: Easy to use | - | - | 30(100) | 6.32 ± .51 | Very Good |
Q2: Ease of learning | - | - | 30(100) | |||
Q3: Smooth navigation | - | 1(3.3) | 29(96.7) | |||
Q4: Use all features | - | - | 30(100) | |||
Q5: Correction of mistakes | - | 1(3.3) | 29(96.7) | |||
Interface and Satisfaction | Q6: Interest | - | 2(6.7) | 28(93.3) | 6.43 ± .58 | Very Good |
Q7: Information organization | - | 1(3.3) | 29(96.7) | |||
Q8: Notification of progress | - | - | 30(100) | |||
Q9: Comfort in the environment | - | 1(3.3) | 29(96.7) | |||
Q10: Time spent using system | - | - | 30(100) | |||
Q11: Reuse | - | 1(3.3) | 29(96.7) | |||
Q12: Satisfaction | - | 1(3.3) | 29(96.7) | |||
Usefulness | Q13: Usefulness | - | 3(10) | 27(90) | 6.43 ± .58 | Very Good |
Q14: Access to services | 3(10) | 6(20) | 21(70) | |||
Q15: Effective management | 1(3.3) | 1(3.3) | 28(93.3) | |||
Q16: Availability of function | - | 2(6.7) | 28(93.3) | |||
Q17: Facilitating access to services | 1(3.3) | 1(3.3) | 28(93.3) | |||
Total |  |  |  |  | 6.28 ± .55 | Very Good |