| Variable | 2014 (N = 8) | 2015 (N = 3) | 2016 (N = 19) | 2017 (N = 75) | 2018 (N = 161) | 2019 (N = 285) | Chi-Square/ P Value | |
| Age group | ||||||||
| <5 years | 0% | 0% | 16.0% | 1.3% | 1.9% | 7.0% | 25.3/0.005 | |
| 5 - 14 years | 0% | 0% | 5.0% | 2.7% | 3.7% | 8.0% | ||
| ≥15 years | 100% | 100% | 79.0% | 96.0% | 94.0% | 85.0% | ||
| Sex | ||||||||
| Male | 25.0% | 67.0% | 47.0% | 51.0% | 56.0% | 54.0% | 3.9/0.558 | |
| Female | 75.0% | 33.0% | 52.0% | 49.0% | 44.0% | 46.0% | ||
| LGA Affected | ||||||||
| Idanre | 0% | 0% | 0% | 0% | 0.6% | 0% | 89.7/<0.001 | |
| Ileoluji-Okeigbo | 0% | 0% | 0% | 1.3% | 0% | 0% | ||
| Ondo West | 0% | 0% | 0% | 0% | 0.6% | 0.3% | ||
| Akoko South West | 0% | 0% | 0% | 2.7% | 3.7% | 7.0% | ||
| Akure North | 0% | 0% | 0% | 2.7% | 6.2% | 8.8% | ||
| Akure South | 0% | 0% | 32.0% | 5.3% | 84.9% | 7.0% | ||
| Ose | 100% | 67.0% | 5.0% | 17.3% | 14.0% | 14.3% | ||
| Owo | 0% | 33.0% | 63.0% | 71.0% | 69.5% | 62.0% | ||
| Ifedore | 0% | 0% | 0% | 0% | 0% | 0.3% | ||
| Okitipupa | 0% | 0% | 0% | 0% | 0% | 0.3% |