Table 1.
Target sample sizes for HATUA data collection tools
| Per study site | Per country total | Study total |
|||
| Phase 1 | Phase 2 | Total | |||
| Patient questionnaire | ~300, to recruit 100 UTI+ | ~300, to recruit 100 UTI+ | ~600, to recruit 200 UTI+ | ~1800, to recruit 600 UTI+ | ~5400, to recruit 1800 UTI+ |
| Household questionnaire | 100 | 100 | 200 | 600 | 1800 |
| Patient IDIs | 5 | 5 | 10 | 30 | 90 |
| Healthcare worker IDIs | 1–5 | 0–5 to fill quota | 5 | 15 | 45 |
| Drug seller mystery client study visits | – | 50 | 50 | 150 | 450 |
| Drug seller IDIs | – | 10 | 10 | 30 | 90 |
| Focus group discussions | – | 4–8 | 4–8 | 12–24 | 36–72 |
HATUA, Holistic Approach to Unravel Antibacterial Resistance in East Africa; IDI, in-depth interview; UTI, urinary tract infection.