Table 1.
Study site characteristics
| Nigeria characteristics | |
|---|---|
| Population | 159,288,426 |
| Size (Km2) | 923, 768 |
| Number of states | 36 |
| Number of geopolitical zones | 6 |
| Predominant language | Yoruba, Igbo, and Hausa |
| Predominant religions | Christianity and Islam |
| Ogun State characteristics | |
| Population | 4,000,000 |
| Size (Km2) | 16,409 |
| Number of local government areas | 20 |
| Predominant language | Yoruba |
| Predominant religion | Christianity |
| Local Government Area characteristics | |
| Cumulative population | 469,271 |
| Cumulative size (Km2) | 1657 |
| Number of clusters sampled | 4 |
| Number of wards | 40 |