Table 3.
Patient-reported satisfaction with categories of inhaler device attributes
| Ratinga | |
|---|---|
| Drug Delivery Satisfaction | |
| I get the same amount of medicine delivered to my lungs each time | |
| • Mean (SD) | 3.79 (0.88) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 4 |
| I do not need to breathe in hard to inhale my medicine | |
| • Mean (SD) | 3.58 (1.02) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 4 |
| Low/no irritation in mouth and throat | |
| • Mean (SD) | 3.45 (1.07) |
| • Range | 1-5 |
| • Median | 3 |
| • IQR | 3, 4 |
| I do not need to breathe in at the same time as I press my inhaler | |
| • Mean (SD) | 3.42 (1.12) |
| • Range | 1-5 |
| • Median | 3 |
| • IQR | 3, 4 |
| Device Functionality | |
| The instructions are simple and easy to use | |
| • Mean (SD) | 4.05 (0.83) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 4, 5 |
| It is built to last and will not break easily | |
| • Mean (SD) | 3.94 (0.83) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 5 |
| No need for me to put the medicine in the inhaler before I use it | |
| • Mean (SD) | 3.97 (0.95) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 5 |
| Easy to hold and carry around with me | |
| • Mean (SD) | 3.87 (0.92) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 5 |
| Can reuse the inhaler for more than one month | |
| • Mean (SD) | 2.89 (1.36) |
| • Range | 1-5 |
| • Median | 3 |
| • IQR | 2, 4 |
| Device Feedback Satisfaction | |
| It tells me how many doses of medicine I have left | |
| • Mean (SD) | 3.72 (1.14) |
| • Range | 1-5 |
| • Median | 4 |
| • IQR | 3, 5 |
| The inhaler locks when empty so it cannot be used anymore | |
| • Mean (SD) | 3.08 (1.32) |
| • Range | 1-5 |
| • Median | 3 |
| • IQR | 2, 4 |
| It tells me when my dose of medicine has been inhaled correctly | |
| • Mean (SD) | 3.06 (1.27) |
| • Range | 1-5 |
| • Median | 3 |
| • IQR | 2, 4 |
a1 = not at all satisfied; 5 = very satisfied. SD, standard deviation. IQR, interquartile range; SD, standard deviation