Results from conjoint analysis for a respondent who had a high importance score for waiting time for surgery
| Factor | Factor level | Utility score* (standard error) | Importance score |
|---|---|---|---|
| *Constant: 11.13. | |||
| Kendall’s tau for association between actual ranking of nine cards and that predicted by the analysis = 0.944. | |||
| Kendall’s tau for two holdout cards = 1. | |||
| Complication risk | 1% | –0.18 (0.753) | 20.5% |
| 5% | –0.902 (0.377) | ||
| 10% | –1.803 (0.075) | ||
| Waiting time | 4 months | –1.929 (0.222) | 73.2% |
| 8 months | –3.857 (0.445) | ||
| 16 months | –7.714 (0.89) | ||
| Surgeon grade | Consultant | –0.5 (0.588) | 6.3% |
| Junior | –1 (1.177) | ||