Selected sample by districts, sub-districts, facilities and participants
| District | Gauteng (District with highest rate) | Gauteng (District with lowest rate) | Free State (District with highest rate) | Free Sate (District with lowest rate) |
| Sub-district | Randfontein sub-district (8 facilities) | Johannesburg A (14 facilities) | Naledi (4 facilities) | Moqhaka (4 facilities) |
| Facility | Kocksoord Clinic ANC 1 visit <20 weeks =82.0% | Mayibuye Clinic ANC 1 visit <20 weeks =49.0% | Vanstadensrus Clinic ANC 1 visit <20 weeks =75.0% | Thusanong (Kroon) Clinic ANC 1 visit <20 weeks =69.0% |
| Sample per facility* | Number of participants = 53×1.5=80 | Number of participants=85×1.5=127 | Number of participants = 66×1.5=99 | Number of participants = 74×1.5=111 |
*Estimated number of participants (based on proportional sampling).
ANC, antenatal care.