TABLE 4.
Question | Median (IQR) | Range (min–max) | |
Overall acceptability | How acceptable was it to use the HHF during the exercise test? (1=completely unacceptable, 5=completely acceptable) |
4 (4–5) | 3–5 |
Affective attitude | How much did you like using the HHF during the walking test? (1=strongly dislike, 5=strongly like) |
4 (3–5) | 3–5 |
Burden | How much additional effort was required to use the HHF during the walking test? (1=no additional effort, 5=a huge additional effort) |
1 (1–3) | 1–4 |
Self-efficacy | How confident were you about using the HHF as instructed during the walking test? (1=very unconfident, 5=very confident) |
5 (4–5) | 1–5 |
Intervention coherence | Do you understand how the HHF therapy was supposed to work? (1=definitely do not understand, 5=completely understand) |
4 (3–5) | 2–5 |
Perceived effectiveness | How effective was the HHF in reducing breathlessness when walking? (1=very ineffective, 5=very effective) |
4 (3–4) | 3–5 |
How effective was the HHF therapy in helping you to recover your breathing after you finished walking? (1=very ineffective, 5=very effective) |
4 (3–4) | 3–5 | |
Would you use a HHF to help with breathlessness in your everyday life? (1=I definitely would not use it, 5=I definitely would use it) |
5 (4–5) | 2–5 |
IQR: interquartile range.