| Status | Control |  | Case |  | Total | P value* |
---|---|---|---|---|---|---|---|
Gender | Male | 712 | 40.6% | 1043 | 59.4% | 1755 | <0.001 |
 | Female | 784 | 63.3% | 455 | 36.7% | 1239 |  |
Ethnicity | Mandinka | 454 | 47.8% | 495 | 52.2% | 949 | 0.250 |
 | Jola | 287 | 56.9% | 217 | 43.1% | 504 | 0.004 |
 | Fula | 296 | 58.7% | 208 | 41.3% | 504 | <0.001 |
 | Wollof | 263 | 71.3% | 106 | 28.7% | 369 | <0.001 |
 | Other | 190 | 28.8% | 470 | 71.2% | 660 | <0.001 |
 | Unknown | 6 | 75.0% | 2 | 25.0% | 8 |  |
 | Total | 1496 |  | 1498 |  | 2994 |  |