Table 6 Predicted percentiles of the SCQOLS-15 QoL total score for selected subgroups of caregivers estimated by quantile regression and the conventional approach
From: Reference values for the short forms of the Singapore Caregiver Quality of Life Scale
Characteristics | N | Estimation method | 10th percentile Estimate (SE) | 25th percentile Estimate (SE) | 50th percentile Estimate (SE) | 75th percentile Estimate (SE) | 90th percentile Estimate (SE) |
|---|---|---|---|---|---|---|---|
(a) Secondary or above education, one of the few persons giving care to a patient with performance status 1 | 86 | Regression | 60.6 (1.8) | 71.1 (1.3) | 78.8 (1.1) | 84.1 (1.1) | 90.4 (1.1) |
Conventional | 60.5 (3.8) | 69.8 (2.3) | 76.6 (1.5) | 82.2 (1.6) | 90.4 (2.4) | ||
(b) Secondary or above education, the primary person giving care to a patient with performance status 1 | 66 | Regression | 53.8 (1.8) | 65.0 (1.3) | 75.2 (1.0) | 82.2 (0.8) | 89.4 (1.0) |
Conventional | 52.9 (5.2) | 65.0 (3.5) | 75.8 (1.8) | 82.7 (2.2) | 89.1 (1.7) | ||
(c) Primary or below education, the only person giving care to a patient with performance status 2 | 5 | Regression | 37.3 (2.9) | 48.5 (3.3) | 64.3 (2.4) | 75.4 (1.5) | 81.2 (2.5) |
Conventional | 35.8 (9.6) | 71.2 (17.2) | 71.2 (14.0) | 73.2 (1.5) | 73.5 (0.6) | ||
(d) Primary or below education, one of the few persons giving care to a patient with performance status 2 | 0 | Regression | 51.0 (3.2) | 60.6 (3.9) | 71.4 (2.1) | 77.9 (1.6) | 83.2 (2.6) |
Conventional | Not estimable | Not estimable | Not estimable | Not estimable | Not estimable |