Table 3.
Clinical validity: one-way analysis of variance comparing mean EQ-5D-3L and SF-6D health utility index scores of caregivers with different demographic characteristics, n = 224
| Caregiver measure | n (%)a | Caregiver quality of life measures [mean (SD)] | ||
|---|---|---|---|---|
| SF-6D index | EQ-5D-3L index | |||
| Nightly hours of sleep | ||||
| ≤ 5 | 55 (25) | 0.698 (0.13)* | 0.777 (0.16)* | |
| 6–7 | 132 (60) | 0.749 (0.11)* | 0.861 (0.13)* | |
| ≥ 8 | 34 (15) | 0.780 (0.11)* | 0.907 (0.10)* | |
| CES-D | ||||
| ≥ 13.8 | 94 (46) | 0.660 (0.08)* | 0.778 (0.14)* | |
| < 13.8 | 109 (54) | 0.812 (0.09)* | 0.912 (0.10)* | |
| CarerQol-7D | ||||
| < 75.5 | 78 (36) | 0.676 (0.10)* | 0.770 (0.14)* | |
| ≥ 75.5 | 137 (64) | 0.779 (0.11)* | 0.891 (0.12)* | |
| FQLS | ||||
| < 100.9 | 80 (39) | 0.689 (0.11)* | 0.801 (0.13)* | |
| ≥ 100.9 | 124 (61) | 0.774 (0.11)* | 0.881 (0.13)* | |
Higher scores on the CES-D indicate worse problems; higher scores on the FQLS and CarerQol-7D indicate better quality of life
CarerQol-7D Care-related Quality of Life instrument, CES-D Center for Epidemiologic Studies Depression Scale, EQ-5D-3L three-level EuroQoL-5 Dimension, FQLS Family Quality of Life Scale, SF-6D Short Form-6 Dimension
*p < 0.05 using Bonferroni correction factor such that groups with two, three, or four levels must exhibit a p value of 0.0500, 0.0167, and 0.0083, respectively
an values may not total to 224 due to missing responses