Table 2 Key questions from the questionnaire used to assess participant comfort during oxygen therapy.
Category | Question / Statement | Response scale |
|---|---|---|
Noise perception | Please rate the level of noise you experienced during the CPAP session | 10-point Likert scale (1 = no noise, 10 = intolerable noise) |
Dryness | Did you experience any dryness in your mouth, nose, or throat during the session? | 5-point scale (1 = none, 5 = very severe) |
Warmth | How would you rate the sensation of warmth inside the helmet? | 5-point scale (1 = very comfortable, 5 = very uncomfortable) |
Breathing comfort | How easy was it for you to breathe with the helmet during the session? | 5-point scale (1 = very easy, 5 = very difficult) |
General comfort | Overall, how comfortable did you feel during the session? | 5-point scale (1 = very comfortable, 5 = very uncomfortable) |
Additional remarks | Please provide any additional comments regarding your experience with the helmet system | Open-ended |
