Overview of the questionnaires and scales used
| Item | Start of study | Start of each day | Up to every 1–2 waking hours) | End of day | End of week* | End of study* |
| Main application-base study | ||||||
| Age, sex | X | |||||
| Weight and height | X | |||||
| Self-reported level of mobility (Grimby-Frändin)24 | X | |||||
| Physician-diagnosed diseases (according to participant) | X | |||||
| Smoking status (never, past, current smoking) | X | |||||
| Modified personality trait of symptom sensitivity (PHQ-15)16 | X | |||||
| Mental state (anxiety/depression) (0–10 NRS) | X | X | X | |||
| Self-perceived overall well-being (0–10 NRS) | X | X | X | |||
| Self-efficacy regarding breathlessness (online supplementary appendix 1c) | X | X | X | X | ||
| Breathlessness (0–10 NRS) | ||||||
| Modified Medical Research Council25–28 | X | X | ||||
| Intensity during the previous night (0–10 NRS) | X | |||||
| Intensity ‘last 10–15 min’ (0–10 NRS) | X | X | ||||
| Intensity during the time period (0–10 NRS) | X | X | ||||
| Unpleasantness of breathlessness and intensity of descriptors of breathlessness (MDP)6 29 | X | X | X | X | ||
| Emotional responses related to breathlessness during the time period (MDP)6 29 | X | X | X | |||
| Intensity during the past week (0–10 NRS) | X | X | X | |||
| Predicted intensity for the coming week (0–10 NRS) | X | |||||
| Predicted intensity for the coming day (0–10 NRS) | X | X | X | |||
| Previous technology and Internet experience and usage (online supplementary appendix 1a) | X | |||||
| User experience of the application used in the trial (online supplementary appendix 1b) | X | |||||
MDP, multidimensional dyspnoea profile; NRS, Numerical Rating Scale; PHQ, Patient Health Questionnaire.