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Table 7 Percentiles of QOL Impact on Daily Life score, final model

From: Reference values for and interpretation of the Singapore Caregiver Quality of Life Scale: a quantile regression approach

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)

Caregiver role

8.8*

(4.6, 13.1)

7.1*

(2.9, 11.2)

3.7*

(1.0, 6.4)

2.3

(0.4, 4.3)

1.0

(−0.7, 2.1)

Performance status

−6.5*

(−9.6, − 3.5)

−7.1*

(−9.6, − 4.5)

−4.4*

(−5.7, − 3.2)

−2.7*

(−3.7, − 1.7)

−1.8*

(−2.6, − 1.0)

Intercept

46.2*

(36.6, 55.7)

67.9*

(60.2, 75.7)

84.6*

(80.3, 88.9)

92.7*

(89.8, 95.5)

98.0*

(95.7, 100.2)

  1. *P < 0.01
  2. Example: The 10th percentile of a caregiver who is the only family member (caregiver role = 0) giving care to a patient who has symptoms but is ambulatory (performance status = 1) is 46.2 + (0 × 8.8) + (1 × [− 6.5]) = 39.7