Table 3.
Percentiles of QOL total score, final model
| Predictor | 10th | percentile | 25th | percentile | 50th | percentile | 75th | percentile | 90th | percentile |
|---|---|---|---|---|---|---|---|---|---|---|
| Coef. | (95% CI) | Coef. | (95% CI) | Coef. | (95% CI) | Coef. | (95% CI) | Coef. | (95% CI) | |
| Ethnicity | ||||||||||
| Chinese | 0 | 0 | 0 | 0 | 0 | |||||
| Others | 7.3 | (0.6, 14.0) | 6.1 | (0.8, 11.5) | 3.0 | (0.2, 5.9) | 3.3 | (−1.5, 8.1) | 3.9 | (0.6, 7.1) |
| Education | ||||||||||
| Secondary/above | 0 | 0 | 0 | 0 | 0 | |||||
| Primary/below | 2.5 | (−3.1, 8.0) | −1.1 | (−6.7, 4.5) | − 3.2 | (− 6.6, 0.2) | −4.7* | (−8.0, − 1.4) | −5.1 | (− 9.1, − 1.0) |
| Caregiver role | 5.7* | (2.2, 9.3) | 6.4* | (4.0, 8.7) | 3.1* | (1.0, 5.2) | 1.8* | (0.7, 3.0) | 0.6 | (− 0.9, 2.2) |
| Performance status | −5.1* | (−7.7, − 2.6) | −4.7* | (−6.4, − 2.9) | −3.3* | (4.6, − 2.2) | −2.7* | (−3.3, − 2.1) | −2.2* | (−3.1, − 1.3) |
| Intercept | 52.0* | (42.6, 61.5) | 61.1* | (56.9, 65.2) | 73.4* | (69.1, 77.6) | 82.4* | (80.1, 84.6) | 88.3* | (85.1, 91.4) |
*P < 0.01
†Example: The 10th percentile of an ethnic Indian caregiver with tertiary education who is the only family member (caregiver role = 0) giving care to a patient who has symptoms but is ambulatory (performance status = 1) is 52.0 + 7.3 + 0 + (0 × 5.7) + (1 × [− 5.1]) = 54.2