Table 6 Stepwise regression analysis of WTP/QALY (r=5%) for family members
From: Estimation of the value of curative therapies in oncology: a willingness-to-pay study in China
Variables | WTP/QALY(r=5%) | |||
|---|---|---|---|---|
Partial regression coefficient | Standard error | Z | P | |
Constant | − 1.818*** | 0.486 | − 3.74 | 0.000 |
EQ-5D-5L | 3.252*** | 0.249 | 13.08 | 0.000 |
Age | 0.027*** | 0.008 | 3.38 | 0.001 |
Annual household income per capita | ||||
≤ 12,000 RMB | 0.000 | |||
12,001–20,000 RMB | 0.058 | 0.235 | 0.25 | 0.806 |
20,001–35,000 RMB | 0.605*** | 0.226 | 2.68 | 0.007 |
35,001–60,000 RMB | 0.903*** | 0.224 | 4.02 | 0.000 |
≥ 60,001 RMB | 1.322*** | 0.251 | 5.27 | 0.000 |
Other chronic diseases | ||||
N | 0.000 | |||
Y | 0.729*** | 0.154 | 4.74 | 0.000 |
Occupation | ||||
Full-time employment | 0.000 | |||
Part-time employment | − 0.538 | 0.451 | − 1.19 | 0.234 |
Self-employment | 0.633* | 0.331 | 1.92 | 0.055 |
Housewife | 0.077 | 0.314 | 0.24 | 0.807 |
Farming | − 0.073 | 0.311 | − 0.24 | 0.813 |
Student | 2.002** | 0.832 | 2.41 | 0.016 |
Unemployment | 0.370 | 0.363 | 1.02 | 0.309 |
Retirement | 0.335 | 0.301 | 1.11 | 0.265 |
Other | − 1.429 | 1.348 | − 1.06 | 0.289 |
AIC | 8.361 | |||
Log likelihood | − 1698.065 | |||