Basic characteristics of the participants and their homes (n=50)
| Usual care (n=24) | Intervention (n=26) | |
|---|---|---|
| Participant | ||
| Age, years, mean (SD) | 64 (9) | 64 (8) |
| Female, n (%) | 6 (25) | 5 (19) |
| Diagnosis=dilated cardiomyopathy, n (%) | 9 (38) | 14 (54) |
| Diagnosis=ischaemic cardiomyopathy, n (%) | 12 (50) | 9 (35) |
| Diagnosis=other, n (%) | 3 (13) | 3 (12) |
| Ejection fraction (%), mean (SD) | 35 (12) | 36 (12) |
| Diabetic, n (%) | 6 (25) | 5 (19) |
| What is a cold outdoor temperature (°C)?, median, IQR | 17 (12–18) | 15 (14–18)* |
| Home | ||
| Type=house | 17 (71) | 21 (81) |
| Type=apartment/unit | 4 (17) | 2 (8) |
| Type=townhouse/semi-detached | 1 (4) | 2 (8) |
| Type=caravan | 2 (8) | 1 (4) |
| Home age, years, median (IQR) | 23 (15–36) | 20 (16–39) |
| Any heating in home, n (%) | 18 (75) | 21 (81) |
| Any air conditioning in home, n (%) | 18 (75) | 21 (81) |
| Roof insulation, n (%) | 20 (83) | 18 (72) |
*One participant felt that it never gets cold in Queensland.