| County | Study Participants | |||
| Nurse Tutors | Graduate Nurses | Facility Managers | Sub-county EPI Supervisors | |
| Migori | 1 | 2 | 1 | 1 |
| Kisumu | 2 | 4 | 4 | 2 |
| Kakamega | 2 | 3 | 5 | 3 |
| Kisi | 2 | 5 | 2 | 2 |
| Hombay | 2 | 4 | 2 | 2 |
| Bomet | 2 | 4 | 1 | 1 |
| Bungoma | 1 | 2 | 2 | 2 |
| Transzoia | 1 | 0 | 0 | 0 |
| Elgeyo Marakwet | 1 | 0 | 0 | 1 |
| Uasin Gishu | 0 | 4 | 4 | 2 |
| Total | 14 | 28 | 21 | 16 |