Table 3.
Descriptive statistics, Standard Errors of measurement, reliabilities and attribution of variance of the C-DEMQOL total and subdomain sum scores; construct reliabilities of the C-DEMQOL factors
| Statistics | (Total) Overall QOL | (S1) Meeting personal needs | (S2) Carer wellbeing | (S3) Carer-patient relationship | (S4) Confidence in the future | (S5) Feeling supported |
|---|---|---|---|---|---|---|
| Minimum | 50 | 6 | 6 | 12 | 6 | 6 |
| Maximum | 138 | 30 | 29 | 30 | 30 | 30 |
| Percentiles | ||||||
| 10 | 70.03 | 11.00 | 9.00 | 17.00 | 10.94 | 12.00 |
| 20 | 79.00 | 13.00 | 13.00 | 18.00 | 13.00 | 15.48 |
| 30 | 83.00 | 15.00 | 14.00 | 20.00 | 15.00 | 18.00 |
| 40 | 88.98 | 17.00 | 16.00 | 21.00 | 16.00 | 19.00 |
| 50 | 96.32 | 18.00 | 17.00 | 22.00 | 18.00 | 20.00 |
| 60 | 102.25 | 19.20 | 19.00 | 23.00 | 20.00 | 21.76 |
| 70 | 106.87 | 21.00 | 21.00 | 24.00 | 21.00 | 24.00 |
| 80 | 114.83 | 23.00 | 22.00 | 25.20 | 23.00 | 25.00 |
| 90 | 121.03 | 25.00 | 25.00 | 27.00 | 25.00 | 27.00 |
| Mean | 95.45 | 18.24 | 17.27 | 21.94 | 17.90 | 20.05 |
| SD | 19.66 | 5.30 | 5.41 | 3.78 | 5.34 | 5.41 |
| Standard error of measurement (SEM) | 3.60 | 1.14 | 1.63 | 1.62 | 1.65 | 2.07 |
| Omega (ω) | 0.97 | 0.95 | 0.91 | 0.82 | 0.90 | 0.85 |
| Omega hierarchical (ωh or ωhs) | 0.86 | 0.45 | 0.00 | 0.39 | 0.33 | 0.52 |
| PRMSETOT | n/a | 0.60 | 0.75 | 0.47 | 0.67 | 0.50 |
| Construct reliability (H) | 0.96 | 0.79 | n/a | 0.70 | 0.68 | 0.78 |