Characteristics of respondents participating in individual interviews, focus groups, testing and evaluation round
| Stage 1b | Stage 2 | Stage 3a1 | Stage 3a2 | Stage 3b | Stage 4 | |
| Healthcare professionals (HCP) (n) | 26 | 12 | 14 | 14 | 14 | 5 |
| Cardiologist (n) | 4 | 2 | 1 | 4 | 1 | 1 |
| Heart failure nurse specialist (n) | 3 | 2 | 2 | 2 | 3 | 2 |
| Registered nurse (n) | 6 | 3 | 3 | 4 | 3 | 0 |
| Cardiologist in training (n) | 0 | 2 | 0 | 0 | 1 | 0 |
| General practice-based nurse specialist (n) | 2 | 3 | 4 | 1 | 2 | 1 |
| General practitioner (n) | 4 | 0 | 2 | 0 | 2 | 0 |
| Elderly care physician (n) | 1 | 0 | 1 | 1 | 0 | 0 |
| Palliative care specialist/consultant (n) | 2 | 0 | 0 | 1 | 0 | 0 |
| Physician-researcher cardiology (n) | 0 | 0 | 1 | 1 | 1 | 1 |
| Medical doctor nursing home (n) | 1 | 0 | 0 | 0 | 0 | 0 |
| Certified nurse assistant (n) | 1 | 0 | 0 | 0 | 0 | 0 |
| Team leader (n) | 2 | 0 | 0 | 0 | 0 | 0 |
| Type of organisations | ||||||
| Hospital (n) | 15 | 8 | 7 | 12 | 8 | 4 |
| General practice (n) | 6 | 3 | 6 | 1 | 4 | 1 |
| Long-term care facility (n) | 5 | 1 | 1 | 1 | 1 | 0 |
| Mean age (years) | na | 49 (27–62) | na | na | na | na |
| Age category (n) | ||||||
| 21–30 years | 2 | 1 | 3 | 3 | 2 | 1 |
| 31–40 years | 6 | 1 | 2 | 2 | 1 | 0 |
| 41–50 years | 8 | 3 | 3 | 3 | 2 | 0 |
| 51–60 years | 6 | 6 | 4 | 6 | 5 | 3 |
| 61–70 years | 4 | 1 | 2 | 0 | 4 | 1 |
| Patients and family care givers (n) | 23 | 5 | na | na | na | 4 |
| Patients (n) | 13 | 3 | na | na | na | 3 |
| Family caregivers (n) | 10 | 2 | na | na | na | 1 |
| Mean age (years) | ||||||
| Patients | 71 (51–89) | 69 (54–86) | na | na | na | 68 (55–81) |
| Family caregivers | 71 (43–86) | 68 (54–82) | na | na | na | 54 (54) |
Stage 1b: identification needs and questions using qualitative research; stage 2: prioritisation and refinement of the needs and questions in focus groups; stage 3a1: testing and online feedback on V.1; stage 3a2: online feedback on V.1 without testing; stage 3b: selecting and refining care recommendations; stage 4: testing and review of V.2. Three HCPs completed an online questionnaire after testing and two of them were able to participate in a telephone in-depth interview. One HCP filled in an online questionnaire and one HCP participated in a telephone interview, both without testing.
na, not applicable.