Intervention groups
| Group | Intervention |
|---|---|
| I | Prescribers in this group received no intervention |
| II | Prescribers in this group received, with explanation, graphical results of 3–4 months of audits of prescribing patterns within the region and within each health centre (audit and feedback) |
| III | Prescribers in this group received audit and feedback; a copy of a prescribing guideline adapted by researchers from the WHO guideline for the effective management of STIs4 and attended two seminars on prescribing conducted by experts in prescribing |
| IV | Prescribers in this group received audit and feedback plus routine face to face educational meetings with prescribing experts (academic detailing). In addition, this group also received a copy of the prescribing guideline described above |