Table 7.
Results of the usability questionnaire after 1 week and 4 weeks of use of the OITcontrol app: general opinions.
Questions and rating | Results at 1 week of use | Results at 4 weeks of use | |||
OITcontrol app is | |||||
|
1=terrible to 5=wonderful, mean (SD) | 3.9 (0.7) | 4.3 (0.6) | ||
1=frustrating to 5=easy, mean (SD) | 4.1 (0.7) | 4.3 (0.6) | |||
1=boring to 5=exciting, mean (SD) | 3.6 (0.8) | 3.8 (0.9) | |||
1=difficult to 5=easy, median (Q1-Q3a) | 5 (4-5) | 5 (4-5) | |||
1=too slow to 5=too fast, mean (SD) | 3.3 (1) | 3.2 (0.9) | |||
1=unreliable to 5=highly reliable, median (Q1-Q3) | 3.9 (3.9-4.4) | 3.9 (2.8-4.4) | |||
1=noisy to 5=noiseless, mean (SD) | 4.4 (0.6) | 4.7 (0.5) |
aQ1-Q3: first quartile-third quartile.