Table 1.
Characteristics of the sample
| Proxy raters | Cognitive interviews (n = 16) | IRR evaluation (n = 40) |
| Age in years, mean (±SD) | 45.0 (±11.2) | 41.7 (±12.0) |
| Female, n (%) | 11 (69) | 34 (85) |
| Registered nurses, n (%) | 10 (63) | 24 (60) |
| Work experience in years, mean (±SD) | 14.3 (±7.5) | 11.8 (±7.3) |
| Hours worked per week, mean (±SD) | 35.0 (±4.7) | 32.7 (±5.5) |
| Caregivers with migrant backgrounds, n (%) | 4 (25) | --- |
| People with dementia | Mild to severe dementia (n = 55) | Very severe dementia (n = 36) |
| Age in years, mean (±SD) | 84.7 (±8.3) | 84.1 (±9.4) |
| Female, n (%) | 43 (78) | 33 (92) |
| PSMS, mean (± SD) | 19.8 (±4.6) | 24.9 (±2.3) |
| Care dependency levelsa, n (%) | ||
| None | 0 (0) | 0 (0) |
| 1 | 7 (13) | 0 (0) |
| 2 | 29 (53) | 5 (14) |
| 3 | 19 (34) | 31 (86) |
| FAST score, n (%) | ||
| 2 | 1 (2) | |
| 3 | 1 (2) | |
| 4 | 3 (5) | |
| 5 | 0 (0) | |
| 6 | 50 (91) | |
| Length of stay in the nursing home in months, mean (±SD) | 26.6 (±21.6) | 40.1 (±23.2) |
| Missing values, QUALIDEMb | 0/8800 | 7/3024 |
aAs determined by expert raters of the medical service of the statutory long-term care insurance system
bEach QUALIDEM item was rated four times for each participant (FAST 2 – 6 = 37 + 3 items, FAST 7 = 18 + 3 items)