Parameters | N | All subjects | N | CM | n | SMA | n | UM | P value |
---|---|---|---|---|---|---|---|---|---|
Age group | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 < 60 | 642 | 10,451 | 40 | 8,940 | 177 | 10,089 | 120 | 6,791 | 0.415 |
 ≥ 60 | 159 | 5,998 | 8 | 6,978 | 27 | 2,037 | 68 | 8,954♣ | 0.046 |
 P value |  | 0.013 |  | 0.831 |  | 0.001 |  | 0.504 |  |
Gender | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Male | 472 | 7,773 | 22 | 7,968 | 110 | 7,636 | 126 | 4,405 | 0.223 |
 Female | 421 | 10,293 | 26 | 9,130 | 121 | 7,862 | 102 | 11,592 | 0.582 |
 P value |  | 0.087 |  | 0.876 |  | 0.835 |  | 0.007 |  |
Ethnicity | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Bantu | 360 | 9,134 | 21 | 6,246 | 90 | 7,962 | 96 | 7,638 | 0.927 |
 Semi-Bantu | 391 | 11,171 | 23 | 10,993 | 103 | 9,670 | 79 | 10,194 | 0.973 |
 Foulbe | 30 | 9,387 | 2 | 4,205 | 5 | 1,336 | 5 | 13,402 | 0.522 |
 P value |  | 0.539 |  | 0.789 |  | 0.156 |  | 0.738 |  |
Location | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Centre | 162 | 17,640‡ | 5 | 9,908 | 60 | 10,336 | 20 | 43,031§ | 0.014 |
 Littoral | 281 | 7,292 | 32 | 6,296 | 58 | 5,243 | 18 | 7,385 | 0.873 |
 South West | 452 | 7,836 | 11 | 19,756 | 113 | 8,136 | 190 | 5,540 | 0.161 |
 P value |  | 0.001 |  | 0.547 |  | 0.258 |  | 0.005 |  |
Transmission | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Seasonal | 162 | 17,640 | 5 | 9,908 | 60 | 10,336 | 20 | 43,031§ | 0.014 |
 Perennial | 733 | 7,623 | 43 | 8,435 | 171 | 7,010 | 208 | 5,686 | 0.555 |
 P value |  | <0.001 |  | 0.910 |  | 0.296 |  | 0.001 |  |