Table 3.
Parameter estimates for discrete-choice experiment model
| Dimension/level | Model 5 | |||
|---|---|---|---|---|
| Conditional logit model | ||||
| Beta | Rescaled Beta | SE | p value | |
| Mobility (MO) | ||||
| Disutility MO1–MO2 | 0.266 | 0.069 | 0.058 | 0.000 |
| Disutility MO1–MO3 | 0.36 | 0.093 | 0.067 | 0.000 |
| Disutility MO1–MO4 | 1.13 | 0.291 | 0.072 | 0.000 |
| Disutility MO1–MO5 | 2.286 | 0.587 | 0.09 | 0.000 |
| Self-care (SC) | ||||
| Disutility SC1–SC2 | 0.241 | 0.062 | 0.065 | 0.000 |
| Disutility SC1–SC3 | 0.237 | 0.061 | 0.069 | 0.001 |
| Disutility SC1–SC4 | 0.783 | 0.202 | 0.071 | 0.000 |
| Disutility SC1–SC5 | 1.5 | 0.386 | 0.074 | 0.000 |
| Usual activities (UA) | ||||
| Disutility UA1–UA2 | 0.277 | 0.071 | 0.06 | 0.000 |
| Disutility UA1–UA3 | 0.261 | 0.067 | 0.069 | 0.000 |
| Disutility UA1–UA4 | 0.837 | 0.215 | 0.07 | 0.000 |
| Disutility UA1–UA5 | 1.548 | 0.399 | 0.076 | 0.000 |
| Pain/discomfort (PD) | ||||
| Disutility PD1–PD2 | 0.18 | 0.046 | 0.064 | 0.005 |
| Disutility PD1–PD3 | 0.273 | 0.07 | 0.069 | 0.000 |
| Disutility PD1–PD4 | 0.734 | 0.189 | 0.069 | 0.000 |
| Disutility PD1–PD5 | 1.435 | 0.369 | 0.075 | 0.000 |
| Anxiety/depression (AD) | ||||
| Disutility AD1–AD2 | 0.08 | 0.02 | 0.065 | 0.222 |
| Disutility AD1–AD3 | 0.25 | 0.064 | 0.067 | 0.000 |
| Disutility AD1–AD4 | 0.823 | 0.212 | 0.074 | 0.000 |
| Disutility AD1–AD5 | 1.529 | 0.394 | 0.082 | 0.000 |
| Ranking of dimensions | MO-UA-AD-SC-PD | |||
| Insignificant | 1 | |||
| Illogically ordered | 2 | |||
| AIC | 6776.675 | |||
| BIC | 6913.222 | |||
| 55555 | − 1.135 | |||
AIC Akaike information criteria, BIC Bayesian information criteria, SE standard error