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| Chikwawa | No examined | No with TT | % (*CI) | P value |
| Males | 613 | 1 | 0.2(−0.2,0.6) | 0.17 |
| Females | 979 | 8 | 0.8(0.3,1.2) | |
| Total | 1592 | 9 | 0.6(0.2,0.9) |
95% confidence Intervals.
