Under 5 years of age | 5 years of age or over | |||
---|---|---|---|---|
Malaria incidence per person-year (95% CI) [cases/person-years] | Rate ratio (95% CI) | Malaria incidence per person-year (95% CI) [cases/person-years] | Rate ratio (95% CI) | |
January–July 2013 | ||||
Overall | 0.20 (0.15–0.26) [1545/7832] | – | 0.023 (0.016–0.034) [1015/43,510] | – |
Lower resistance (mortality equal to or above median value of 95.3%) | 0.18 (0.11–0.30) [635/3443] | 1 | 0.016 (0.010–0.028) [311/19,126] | 1 |
Higher resistance (mortality below median value of 95.3%) | 0.21 (0.14–0.31) [910/4389] | 1.12 (0.63–2.02) p = 0.684 | 0.029 (0.017–0.049) [704/24,385] | 1.77 (0.88–3.56) p = 0.102 |
Effect per 10% reduction in bioassay mortality | – | 1.02 (0.80–1.29) p = 0.863 | – | 1.06 (0.85–1.32) p = 0.605 |
August–December 2013 | ||||
Overall | 0.30 (0.21–0.42) [1563/5211] | – | 0.030 (0.019–0.049) [879/28,948] | – |
Lower resistance (mortality equal to or above median value of 93.9%) | 0.26 (0.19–0.35) [728/2798] | 1 | 0.024 (0.017–0.033) [370/15,545] | 1 |
Higher resistance (mortality below median value of 93.9%) | 0.35 (0.19–0.64) [835/2413] | 1.33 (0.70–2.52) p = 0.368 | 0.038 (0.017–0.087) [509/13,403] | 1.60 (0.69–3.68) p = 0.261 |
Effect per 10% reduction in bioassay mortality | – | 0.94 (0.50–1.77) p = 0.854 | – | 0.89 (0.43–1.81) p = 0.731 |
January–December 2013 (both time periods combined) | ||||
Overall | 0.24 (0.18–0.32) [3108/13,044] | – | 0.026 (0.017–0.039) [1894/72,458] | – |
Lower resistance (mortality equal to or above median value of 93.9%) | 0.21 (0.16–0.28) [1376/6472] | 1 | 0.019 (0.014–0.026) [693/35,952] | 1 |
Higher resistance (mortality below median value of 94.8%) | 0.26 (0.17–0.41) [1732/6572] | 1.27 (0.81–2.00) p = 0.276 | 0.033 (0.018–0.060) [1201/36,506] | 1.74 (0.91–3.34) p = 0.093 |
Effect per 10% reduction in bioassay mortality | – | 1.01 (0.82–1.25) p = 0.915 | – | 1.04 (0.86–1.26) p = 0.677 |