Table 3.
Disutility predictions from the selected model (regular censored Hybrid model)
| Incremental dummies | Regular dummies (Final model) | |||||
|---|---|---|---|---|---|---|
| Coeff | P-values | SE | Coeff | SE | ||
| Mobility (MO) | Mobility (MO) | |||||
| Disutility MO1–MO2 | 0.0692 | 0.000 | .0072 | Disutility MO1–MO2 | 0.0692 | 0.007 |
| Disutility MO2–MO3 | 0.0093 | 0.281 | .0087 | Disutility MO1–MO3 | 0.0785 | 0.008 |
| Disutility MO3–MO4 | 0.1279 | 0.000 | .0090 | Disutility MO1–MO4 | 0.2064 | 0.008 |
| Disutility MO4–MO5 | 0.1697 | 0.000 | .0089 | Disutility MO1–MO5 | 0.3761 | 0.008 |
| Self-care (SC) | Self-care (SC) | |||||
| Disutility SC1–SC2 | 0.0428 | 0.000 | .0073 | Disutility SC1–SC2 | 0.0428 | 0.007 |
| Disutility SC2–SC3 | 0.0032 | 0.710 | .0086 | Disutility SC1–SC3 | 0.0460 | 0.008 |
| Disutility SC3–SC4 | 0.1012 | 0.000 | .0091 | Disutility SC1–SC4 | 0.1470 | 0.008 |
| Disutility SC4–SC5 | 0.0841 | 0.000 | .0085 | Disutility SC1–SC5 | 0.2311 | 0.008 |
| Usual activity (UA) | Usual activity (UA) | |||||
| Disutility UA1–UA2 | 0.0464 | 0.000 | .0072 | Disutility UA1–UA2 | 0.0464 | 0.007 |
| Disutility UA2–UA3 | 0.0123 | 0.130 | .0081 | Disutility UA1–UA3 | 0.0587 | 0.008 |
| Disutility UA3–UA4 | 0.1148 | 0.000 | .0086 | Disutility UA1–UA4 | 0.1735 | 0.008 |
| Disutility UA4–UA5 | 0.1254 | 0.000 | .0089 | Disutility UA1–UA5 | 0.2989 | 0.008 |
| Pain/Discomfort (PD) | Pain/Discomfort (PD) | |||||
| Disutility PD1–PD2 | 0.0839 | 0.000 | .0068 | Disutility PD1–PD2 | 0.0839 | 0.007 |
| Disutility PD2–PD3 | 0.0682 | 0.000 | .0084 | Disutility PD1–PD3 | 0.1521 | 0.008 |
| Disutility PD3–PD4 | 0.1179 | 0.000 | .0088 | Disutility PD1–PD4 | 0.2700 | 0.008 |
| Disutility PD4–PD5 | 0.0965 | 0.000 | .0095 | Disutility PD1–PD5 | 0.3666 | 0.009 |
| Anxiety/Depression (AD) | Anxiety/Depression (AD) | |||||
| Disutility AD1–AD2 | 0.0638 | 0.000 | .0068 | Disutility AD1–AD2 | 0.0638 | 0.007 |
| Disutility AD2–AD3 | 0.0489 | 0.000 | .0085 | Disutility AD1–AD3 | 0.1126 | 0.008 |
| Disutility AD3–AD4 | 0.0588 | 0.000 | .0087 | Disutility AD1–AD4 | 0.1713 | 0.008 |
| Disutility AD4–AD5 | 0.0675 | 0.000 | .0086 | Disutility AD1–AD5 | 0.2388 | 0.008 |
| Utility value at health state: | ||||||
| 11111 (full health) | 1 | |||||
| 12111 (second best health state) | 0.9573 | |||||
| 11211 | 0.9536 | |||||
| 11112 | 0.9362 | |||||
| 21111 | 0.9308 | |||||
| 11121 | 0.9161 | |||||
| 55555 (the worst health state) | − 0.5115 | |||||
For instance, value of the health state 12345 is calculated as: 1 − (MO1) − (disutility SC1 − SC2) − (disutility UA1 − UA3) − (disutility PD1 − PD4) − (disutility AD1 − AD5) = 1 − (0) − (0.0428) − (0.0587) − (0.2700) − (0.2388) = 0.3897