From: Reference values for the short forms of the Singapore Caregiver Quality of Life Scale
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 | |
Age per 10 years | −0.3 | (−2.5, 1.9) | 0.6 | (−2.5) | 0.5 | (−0.8, 1.7) | 1.4 | (0.3, 2.5) | 1.7* | (0.4, 3.0) |
Sex | ||||||||||
Female | 0 | 0 | 0 | 0 | 0 | |||||
Male | 2.7 | (−2.2, 7.7) | −0.5 | (−4.4, 3.3) | 0.5 | (−2.2, 3.2) | 0.0 | (−2.2, 2.2) | −1.6 | (−4.3, 1.1) |
Ethnicity | ||||||||||
Chinese | 0 | 0 | 0 | 0 | 0 | |||||
Malay | 8.5 | (−1.6, 18.6) | 5.1 | (−2.3, 12.5) | 4.6 | (−0.8, 10.0) | 6.1 | (1.0, 11.1) | 5.5 | (−0.1, 11.1) |
Indian | 8.1 | (−19.5, 35.6) | 4.5 | (−8.8, 17.8) | −0.9 | (−8.2, 6.5) | 0.8 | (−7.3, 9.0) | −3.1 | (−14.0, 11.5) |
Others | 8.3 | (16.8, 33.4) | 6.5 | (−4.5, 17.5) | 2.6 | (−5.6, 10.7) | 0.9 | (−9.1, 11.0) | 1.0 | (−11.9, 13.9) |
Education level | ||||||||||
Tertiary | 0 | 0 | 0 | 0 | 0 | |||||
Secondary | −4.3 | (−9.6, 1.0) | −0.8 | (−5.8, 4.3) | 1.7 | (−1.4, 4.9) | −0.8 | (−3.6, 2.1) | 0.1 | (−3.2, 3.5) |
Primary/below | −1.3 | (−9.7, 7.2) | −6.8 | (−14.8, 1.3) | −2.8 | (−7.3, 1.8) | −6.0* | (−10.1, −1.9) | −7.4* | (−12.5, −2.3) |
Language | ||||||||||
English | 0 | 0 | 0 | 0 | 0 | |||||
Chinese | 7.5* | (2.4, 12.6) | 1.1 | (−3.7, 6.0) | 2.1 | (−0.9, 5.2) | 1.5 | (−1.2, 4.2) | 2.1 | (−1.2, 5.3) |
Mode of survey administration | ||||||||||
Coef = 0 for each percentile | ||||||||||
Interviewer | −7.4 | (−20.2, 5.4) | 3.0 | (−6.9, 13.0) | −4.5 | (−9.6, 0.5) | −3.0 | (−8.9, 2.9) | −2.1 | (−7.6, 3.4) |
Caregiver role | ||||||||||
0 | 0 | 0 | 0 | 0 | 0 | |||||
1 | 5.3 | (−0.9, 11.6) | 7.5 | (1.7, 13.3) | 5.5* | (1.4, 9.6) | 3.6 | (0.1, 7.2) | 1.6 | (−2.3, 5.4) |
2 | 14.2* | (8.4, 20.1) | 13.5* | (8.3, 18.8) | 9.4* | (5.5, 13.4) | 5.6* | (1.8, 9.5) | 4.3 | (0.5, 8.0) |
Patient’s performance status | ||||||||||
0 (Best) | 0 | 0 | 0 | 0 | 0 | |||||
1 | −0.8 | (−9.4, 7.8) | −7.0 | (−13.3, −0.6) | −4.3 | (−8.3, −0.2) | −3.0 | (−6.7, 0.8) | −2.0 | (−6.8, 2.8) |
2 | −8.3 | (−20.1, 3.6) | −12.1* | (−20.1, −4.2) | −7.6 | (−13.8, −1.4) | −4.8 | (−9.4, −0.1) | −2.5 | (−8.1, 3.1) |
3 | −11.1 | (−19.7, −2.5) | −15.3* | (−22.1, −8.5) | −9.7 | (−14.3, −5.2) | −7.2* | (−11.0, −3.3) | −4.3 | (−9.5, 0.9) |
4 (Worst) | −20.2* | (−29.8, −10.5) | −21.1* | (−29.6, −12.6) | −15.4 | (−22.5, −8.3) | −7.1* | (−12.0, −2.2) | −7.6 | (−13.7, −1.6) |
Patient’s Diagnosis | ||||||||||
Colorectal cancer | 0 | 0 | 0 | 0 | 0 | |||||
Breast cancer | 6.8 | (−3.5, 17.2) | 4.7 | (−2.9, 12.2) | 4.2 | (−0.8, 9.3) | −1.8 | (−7.3, 3.7) | 3.5 | (−2.0, 8.9) |
Lung cancer | 8.5 | (1.9, 15.1) | 2.3 | (−4.3, 8.9) | 1.3 | (−2.9, 5.5) | −0.2 | (−3.8, 3.4) | −1.4 | (−5.1, 2.4) |
Others | 8.2* | (2.1, 14.4) | 3.8 | (−1.4, 9.0) | 1.2 | (−2.2, 4.6) | −1.8 | (−4.8, 1.1) | −1.4 | (−5.0, 2.2) |
Intercept | 39.0* | (25.1, 52.9) | 57.8* | (45.7, 69.9) | 68.2* | (60.0, 76.4) | 75.2* | (67.0, 83.4) | 79.8* | (71.2, 88.4) |