Table 3.
Health care professional survey outcomes.
| Statementa | Start, median (IQR) | End, median (IQR) | Significance (P value) |
| Q1. I am experienced with using smartphones. | 4 (3.5-4.5) | 4 (4-4.75) | >.99 |
| Q2. Using innovations in health care is normal. | 4 (4-5) | 4 (4-5) | >.99 |
| Q3. The FEV1b measurement device looks nice. | N/Ac | 4 (4-4.75) | — |
| Q4. The FEV1 measurement device is easy to use. | N/A | 4 (3-4) | — |
| Q5. The manual of the FEV1 measurement device was clear. | N/A | 4 (4-4) | — |
| Q6. Letting patients measure their FEV1 at home is innovative. | 4 (4-5) | N/A | — |
| Q7. Patients should be able to measure their FEV1 at home for a long period of time. | 4 (4-5) | N/A | — |
| Q8. Home monitoring of FEV1 is a good addition to patients’ daily asthma care. | 4 (4-5) | 4 (4-5) | .77 |
| Q9. The graphical presentation of the FEV1 measurements is useful. | N/A | 4 (4-5) | — |
| Q10. The FEV1 measurements will provide me with more insights into my patients’ disease. | 4 (4-4.5) | 4 (4-4) | .48 |
| Q11. I only want patients to measure their FEV1 when they experience symptoms. | 2 (2-3) | 2 (2-2.75) | >.99 |
| Q12. Possible deteriorations will be detected earlier thanks to the home measurements. | 4 (4-4.5) | 4 (4-4.75) | .74 |
| Q13. If technical problems arise with the measurements, I know whom to contact. | 4 (3.5-4) | 4 (3.25-4.75) | .48 |
| Q14. The FEV1 measurements will pose an additional time burden for me. | 3 (3-4) | 3 (2-3) | .02d |
| Q15. I only want to know the FEV1 measurements when they are lower than expected. | 4 (2.5-4) | 4 (2.25-4) | .41 |
| Q16. Patients themselves should be responsible about how often they measure their FEV1. | 3 (2-3.5) | 3.5 (3-4) | .84 |
| Q17. If FEV1 measurements are lower than expected, a short symptom survey will provide sufficient information for me. | 3 (3-4) | 4 (3.25-4) | .10 |
| Q18. Patients should receive reminders in the online asthma clinic to measure their FEV1. | 4 (3-4) | 4 (2.25-4) | .10 |
| Q19. I know which patients are eligible for home monitoring of FEV1. | 4 (4-4) | 4 (3.25-4.75) | .32 |
aResponses were collected on a 5-point Likert scale, where 1=strongly disagree; 2=disagree; 3=neutral; 4=agree; 5=strongly agree.
bFEV1: forced expiratory volume in 1 second.
cN/A: not applicable.
dStatistically significant change between survey outcomes at end and start.