Table 6 Multivariate Poisson regression analyses of EQ-5D-5L disutility scores, EQ-VAS scores and socio-demographic variables
From: Health-related quality of life measured using the EQ-5D–5L: South Australian population norms
Variablea | Disutility scores | EQ-VAS scores | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Model 1 | Model 2 | Model 1 | Model 2 | |||||||||
B b | 95 % CI | p-value | B b | 95 % CI | p-value | B b | 95 % CI | p-value | B b | 95 % CI | p-value | |
Control variables | ||||||||||||
Gender (positive) | ||||||||||||
Malec | ||||||||||||
Female | 0.18 | −0.06, 0.43 | 0.14 | 0.19 | −0.05, 0.44 | 0.13 | 0.01 | 0.01, 0.02 | <0.01 | 0.02 | 0.01, 0.02 | <0.01 |
Age category, years (positive) | ||||||||||||
15–29c | ||||||||||||
30–49 | 0.68 | 0.25, 1.11 | <0.01 | 0.62 | 0.13, 1.10 | 0.01 | −0.06 | −0.07,−0.05 | <0.01 | −0.06 | −0.07,−0.05 | <0.01 |
50–69 | 0.98 | 0.58, 1.40 | <0.01 | 0.85 | 0.34, 1.36 | <0.01 | −0.05 | −0.06, −0.03 | <0.01 | −0.05 | −0.06, −0.03 | <0.01 |
70+ | 1.28 | 0.84, 1.72 | <0.01 | 1.25 | 0.58, 1.92 | <0.01 | −0.63 | −0.08, −0.05 | <0.01 | −0.10 | −0.02, −0.07 | <0.01 |
Education attainment (negative) | ||||||||||||
Up to secondaryc | ||||||||||||
Trade, apprenticeship, certificate, diploma | −0.05 | −0.32, 0.22 | 0.71 | 0.07 | −0.21, 0.34 | 0.63 | 0.02 | 0.01, 0.03 | <0.01 | 0.01 | 0.00, 0.02 | 0.04 |
Degree or higher | −0.32 | −0.67, 0.03 | 0.07 | −0.07 | −0.43, 0.30 | 0.72 | 0.07 | 0.06, 0.08 | <0.01 | 0.05 | 0.03, 0.06 | <0.01 |
Exploratory variables | ||||||||||||
Annual household income (negative) | ||||||||||||
Up to $20,000c | ||||||||||||
$20,001–$60,000 | −0.01 | −0.44, 0.43 | 0.98 | 0.02 | 0.00, 0.05 | 0.02 | ||||||
$60,001–$100,000 | −0.25 | −0.80, 0.29 | 0.37 | 0.07 | 0.05, 0.09 | <0.01 | ||||||
$100,001+ | −0.33 | −0.88, 0.22 | 0.24 | 0.04 | 0.01, 0.06 | <0.01 | ||||||
Not stated | −0.17 | −0.62, 0.29 | 0.48 | 0.02 | 0.00, 0.04 | 0.04 | ||||||
Employment status (positive) | ||||||||||||
Full or part time, student, home dutiesc | ||||||||||||
Unemployed | 0.67 | 0.04, 1.29 | 0.04 | −0.09 | −0.11, −0.07 | <0.01 | ||||||
Retired | 0.14 | −0.30, 0.58 | 0.54 | 0.03 | 0.02, 0.05 | <0.01 | ||||||
Otherd | 1.41 | 1.06, 1.77 | <0.01 | −0.31 | −0.33, −0.29 | <0.01 | ||||||
Marital status (positive) | ||||||||||||
Married/De Factoc | ||||||||||||
Never Married | 0.09 | −0.32, 0.50 | 0.68 | −0.22 | −0.04, −0.01 | <0.01 | ||||||
Separated/Divorced | 0.57 | −0.33, 0.44 | 0.77 | −0.06 | −0.07, −0.04 | <0.01 | ||||||
Widowed | 0.51 | −0.45, 0.55 | 0.84 | −0.05 | −0.08, −0.03 | <0.01 | ||||||
Constant | −3.17 | −3.57, −2.78 | <0.01 | −3.29 | −3.99, −2.59 | <0.01 | 4.38 | 4.37, 4.39 | <0.01 | 4.39 | 4.37, 4.42 | <0.01 |
AIC | 0.55 | 0.53 | 12.97 | 12.53 | ||||||||
BIC | −22714 | −22703 | −3367 | −4589 | ||||||||