Model 1. Dependent variable: lnWTP/QALY with out of pocket payments | Model 2. Dependent variable: lnWTP/QALY through taxes | ||
---|---|---|---|
Variable | Coefficient (95% CI) | Coefficient (95% CI) | |
Fixed effects | High income area | 0.507 (0.101–0.913) | 0.387 (-0.095–0.868) |
Age | -0.021 (-0.033– -0.009) | -0.037 (-0.051– -0.022) | |
Female | -0.671 (-1.030– -0.311) | -0.558 (-0.985– -0.132) | |
High education level | 0.680 (0.234–1.127) | 0.758 (0.228–1.287) | |
Another insurance | 0.774 (0.247–1.300) | 0.842 (0.219–1.464) | |
Adjusted family income (€1,000) | 0.662 (0.245–1.080) | 0.824 (0.331–1.317) | |
Family members | 0.124 (0.001–0.247) | 0.108 (-0.037–0.254) | |
Doctor consultations/year | 0.020 (0.005–0.034) | 0.016 (-0.001–0.033) | |
Tobacco consumption | -0.515 (-0.985– -0.045) | -0.258(-0.815–0.300) | |
Alcohol consumption | 1.081 (0.164–1.997) | 1.380 (0.294–2.466) | |
Other drug consumption | 3.192 (1.015–5.369) | -0.465 (-2.746–1.816) | |
Inclination to risk (subjective 1–10) | 0.079 (0.015–0.143) | 0.068 (-0.008–0.144) | |
Inclination to risk (lottery games) | 0.972 (0.352–1.591) | 0.610 (-0.113–1.333) | |
WTP values in descending order | 0.222 (-0.110–0.554) | 0.501 (0.109–0.893) | |
Constant | 5.495 (4.030–6.960) | 6.445 (4.717–8.174) | |
Random Effects | Variance of the constant | 0.053 (0.005–0.537) | 0.079 (0.008–0.770) |
Residual variance | 3.001 (2.624–3.434) | 4.202 (3.673–4.807) | |
Intraclass correlation coefficient | 0.017 | 0.018 | |
Observations = 447 | Observations = 449 | ||
-2LL = -883.3 | -2LL = -963.0 | ||
Chi2(14) = 202.92 | Chi2(14) = 182.15 | ||
Prob > chi2 = 0.0000 | Prob > chi2 = 0.0000 |