Study zones
| Region | Study zone | Population | Number of districts | Number of hospitals | Number of health centres |
|---|---|---|---|---|---|
| Amhara | West Gojjam | 2 560 131 | 16 | 5 | 102 |
| Oromia | West Arsi | 2 335 512 | 14 | 4 | 79 |
| SNNPR | Guraghe | 1 631 499 | 15 | 5 | 71 |
| Tigray | South Tigray | 713 275 | 8 | 3 | 32 |
Sources of information: Regional Health Bureau.
SNNPR, Southern Nations, Nationalities and People's Region.