Working duration (months) | Number | Malaria positive (incidence rate %) | \(\chi^{ 2}\) | P |
---|---|---|---|---|
1–3 | 270 | 8 (2.96) | 25.380 | 0.001 |
4–6 | 366 | 27 (7.38) | ||
7–9 | 183 | 13 (7.10) | ||
10–12 | 353 | 42 (11.90) | ||
13–15 | 99 | 13 (13.13) | ||
16–18 | 71 | 10 (14.08) | ||
19–21 | 21 | 3 (14.29) | ||
22–24 | 77 | 12 (15.58) | ||
Above 24 | 52 | 6 (11.54) |