Table 1.
Attributes and levels included in the discrete choice experiment design
| Attribute | Level 1 | Level 2 | Level 3 | Level 4 |
|---|---|---|---|---|
| Health system attributes | ||||
| Location | Local clinic* | CHW home visit | Community centre | Mobile clinic |
| Wait time in the clinic | 15 min | 45 min* | 1 h 30 min | 3 h |
| Drug regimen attributes | ||||
| Duration of treatment and visit frequency | 6 monthly visits for 6 months* | 6 months, 1 visit | 3 monthly visits for 3 months | 3 months, 1 visit |
| Dosing frequency | Once a day* | Once every 2 days | Once a week | Once ever |
| Formulation and size of pills | 2 small pills* | 6 small pills | 2 medium pills | Dissolvable |
| Side effects | No side effects* | Side effects that only you will notice | Side effects that will be obvious to other people who have had TB treatment | Side effects that will be obvious to anyone |
| Packaging | Non-discreet/noisy packaging* | Discreet/quiet packaging | — | — |
| Taste | Not bitter* | Bitter | — | — |
* Baseline levels used for analysis.
CHW = community healthcare worker.