Table 1

Group results from conjoint analysis for all respondents completing the cataract surgery package ranking exercise

FactorFactor levelMean utility score*Mean importance score (%)†
*The mean utility score is the mean of the utility scores for all respondents. The constant was 11.21.
†The mean importance score is the mean of the importance scores for all respondents.
See Appendix for a worked example of how importance scores are calculated from the utility scores of individual respondents.
Complication risk1%–0.414445.84
Waiting time4 months–1.118941.11
8 months–2.2378
16 months–4.5755
Surgeon gradeConsultant–1.044513.05