Skip to main content

Table 5 Percentiles of QOL Mental Well-being 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)

Education

 Secondary/above

0

 

0

 

0

 

0

 

0

 

 Primary/below

−10.6

(−20.8, − 0.5)

− 10.0

(− 18.1, − 1.9)

− 10.8*

(−18.3, − 3.4)

− 6.7

(−13.9, 0.6)

0.6

(− 5.7, 6.9)

Caregiver role

6.9*

(2.2, 11.6)

1.6

(− 0.6, 5.6)

3.3

(0.2, 6.4)

2.5

(−0.4, 5.4)

2.5

(−0.8, 5.8)

Performance status

−4.4*

(−7.1, − 1.7)

−5.0*

(−7.0, − 3.0)

−3.3*

(−4.9, − 1.8)

−3.3*

(−5.2, − 1.5)

−3.1*

(−4.7, − 1.6)

Intercept

35.0*

(26.5, 43.5)

55.0*

(47.5, 62.5)

65.8*

(60.5, 71.2)

78.3*

(71.3, 85.4)

86.9*

(80.7, 93.0)

  1. *P < 0.01
  2. Example: The 10th percentile of a caregiver who has tertiary education background and is the only family member (caregiver role = 0) giving care to a patient who has symptoms but is ambulatory (performance status = 1) is 35.0 + 0 + (0 × 6.9) + (1 × [− 4.4]) = 30.6