Table 3 Descriptive statistics and reliability estimates a
From: Development and preliminary evaluation of a quality of life measure targeted at dementia caregivers
Scale | No. of items | Mean (SD) | Observed minimum | % Scoring at floor (0 points) | % Scoring at ceiling (100 points) | Cronbach's alpha | Test-retest reliability (ICC, 95% CI) b |
|---|---|---|---|---|---|---|---|
Assistance in IADLS c | 13 | 21.6 (21.7) | 0 | 20.0 | 0.5 | 0.88 | 0.86 (0.73 – 0.99) |
Assistance in ADLS d | 5 | 63.0 (36.2) | 0 | 12.5 | 26.5 | 0.93 | 0.86 (0.71 – 1.00) |
Personal Time | 4 | 45.2 (23.2) | 0 | 2.0 | 0.0 | 0.78 | 0.63 (0.34 – 0.92) |
Role Limitations Due to Caregiving | 5 | 50.7 (24.2) | 0 | 1.0 | 1.5 | 0.83 | 0.53 (0.20 – 0.86) |
Family Involvement | 6 | 52.6 (26.7) | 0 | 1.0 | 6.5 | 0.86 | 0.74 (0.53 – 0.96) |
Demands of Caregiving | 7 | 50.9 (23.2) | 3.6 | 0.0 | 2.0 | 0.86 | 0.72 (0.50 – 0.95) |
Worry | 9 | 50.2 (20.3) | 2.8 | 0.0 | 0.0 | 0.82 | 0.53 (0.17 – 0.89) |
Caregiver Feelings | 20 | 66.0 (20.5) | 1.3 | 0.0 | 1.0 | 0.94 | 0.65 (0.33 – 0.97) |
Spirituality and Faith | 3 | 63.5 (34.8) | 0 | 12.1 | 26.1 | 0.92 | 0.83 (0.65 – 1.00) |
Benefits of Caregiving | 8 | 68.9 (23.0) | 3.1 | 0.0 | 5.5 | 0.89 | 0.89 (0.79 – 0.99) |