Table 2. Univariate analysis.
| IRR1 | [95%CI]2 | p-value | ||
| Landscape group | Urban Nyong | 15.8 | 4.05–61.32 | <0.001 |
| Rural Nyong | 12.6 | 3.6–44.0 | <0.001 | |
| Savannah | 5.4 | 0.8–36.4 | 0.081 | |
| Cultivated Forest | 2.8 | 0.8–9.5 | 0.106 | |
| Young forest | 7.9 | 2.1–29.6 | 0.002 | |
| Forest 2 | 2.0 | 0.6–6.7 | 0.287 | |
| Forest 1 | 1 | reference | ||
| Distance to the Nyong | ≤5 km | 7.5 | 4.3–13.5 | <0.001 |
| >5 and ≤10 km | 2.3 | 1.2–4.3 | 0.01 | |
| >10 and ≤20 km | 1.2 | 0.7–2.2 | 0.528 | |
| >20 km | 1 | reference |
Incidence rate ratios estimated for the landscape groups and the distance to the Nyong River in 154 villages of Akonolinga district, Cameroon, 2002–2012.
1
IRR: Incidence Rate ratio.
2
[95%CI]: 95% confidence interval.