Attributes and levels included in the study.
| Attribute | Levels | Regression coding |
|---|---|---|
| Time to appointment | Same day | 0 |
| Within 48 hours | 2 | |
| In 4 days | 4 | |
| In 10 days | 10 | |
| Choice of doctor | Your choice of time | 1 |
| At a specified time | 0 | |
| Choice of time | Your choice of doctor | 1 |
| With any available doctor | 0 | |