Table 5. Incidence rate of clinical malaria by month (95%CI)*.
Month | Clinical malaria episodes | Person-years (PYAR) | Incidence rates | Incidence rate ratio | p value |
---|---|---|---|---|---|
July | 8 | 206.76 | 0.04 (0.02–0.08) | 1 | |
August | 29 | 320.71 | 0.09 (0.06–0.13) | 2.34 (1.05–5.94) | 0.003 |
September | 60 | 312.19 | 0.19 (0.15–0.25) | 4.98 (0.37–12.05) | <0.01 |
October | 180 | 316.11 | 0.57 (0.49–0.66) | 14.74 (7.32–34.66) | <0.01 |
November | 308 | 282.48 | 1.09 (0.98–1.20) | 28.26 (14.16–66.05) | <0.01 |
December | 45 | 121.41 | 0.37 (0.28–0.49) | 9.62 (4.49–23.64) | <0.01 |
* Incidence rate ratios comparing incidence rates in July to other months during the transmission season