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Table 1 Characteristics of the participants with mild to severe dementia (n = 378)

From: Scalability and internal consistency of the German version of the dementia-specific quality of life instrument QUALIDEM in nursing homes – a secondary data analysis

Characteristics InDemA STI-D Leben-QD I Total
n = 59 (15.6%) n = 222 (58.7%) n = 97 (25.7%) n = 378 (100%)
Age in years, mean±SD 82.3 ± 10.4 87.0 ± 7.6 85.2 ± 6.2 85.8 ±8.0
Female, n (%) 41 (69.5) 174 (78.4) 82 (84.5) 297 (78.6)
PSMS, mean±SD 18.1 ± 4.9 18.1 ± 4.9 17.3 ± 5.5 17.9 ±5.0
Care dependency levelsa, n (%)     
None 3 (5.1) 4 (1.8) 5 (5.1) 12 (3.2)
1 29 (49.2) 67 (30.2) 34 (35.1) 130 (34.4)
2 26 (44.0) 113 (50.9) 48 (49.5) 187 (49.5)
3 1 (1.7) 38 (17.1) 10 (10.3) 49 (12.9)
FAST Scoreb, n (%)     
2 0 (0) 0 (0) 3 (3.1) 3 (0.8)
3 1 (1.7) 0 (0) 0 (0) 1 (0.3)
4 14 (23.7) 3 (1.4) 8 (8.2) 25 (6.6)
5 23 (39.0) 2 (0.9) 7 (7.2) 32 (8.5)
6 21 (35.6) 217 (97.7) 79 (81.5) 317 (83.9)
Missing Values QUALIDEMc 2/2183 10/8214 9/3589 19/13986
  1. aAs determined by expert raters of the medical service of the statutory long-term care insurance.
  2. bThe different FAST scores were classified as follows: MMSE > 29 = FAST 1–2; 29 ≤ MMSE ≥ 24 = FAST 3; 23 ≤ MMSE ≥ 18 = FAST 4; 17 ≤  MMSE ≥ 14 = FAST 5; 13 ≤ MMSE ≥ 10 = FAST 6; and MMSE < 10 = FAST 7.
  3. cEach 37 QUALIDEM items per participant.