| ORa | CI 95% | p |
District of Sô-Ava | 0.3 | 0.15 - 0.52 | 0.000* |
Fisherman | 0.2 | 0.06 - 0.36 | 0.000* |
Seasonal fishermen (farmer) | 2.03 | 1.35 - 4.97 | 0.004* |
Number of years of work experience (>35 years) | 1.53 | 1.00 - 2.05 | 0.021* |
Supply of mosquito nets to the health center | 0.9 | 0.20 - 4.35 | 0.919 |