Table 1 Characteristics of cohort stratified by year of observation
Characteristics | Year of observation | |||
|---|---|---|---|---|
2005 | 2006 | 2007 | 2008 | |
Number of children* | 433 | 425 | 396 | 319 |
Person-years of follow-up | 349 | 348 | 312 | 258 |
Mean age in years (SD) | 6.80 (1.81) | 7.11 (1.93) | 7.19 (1.93) | 7.19 (1.84) |
ITN coverage† | 5.4% | 64.4% | 99.8% | 100% |
Total blood smears performed | 1133 | 937 | 650 | 438 |
Positive blood smears | 326 | 302 | 196 | 101 |
Malaria treatment given‡ | ||||
AQ + SP | 123 | 123 | 24 | 0 |
AQ + AS | 111 | 79 | 71 | 8 |
AL | 83 | 94 | 94 | 92 |
Quinine | 9 | 6 | 7 | 1 |
Slide positivity rate (SPR) | 28.8% | 32.2% | 30.2% | 23.1% |
Incidence of malaria£ | 0.93 | 0.87 | 0.63 | 0.39 |
Incidence of non-malaria fever£ | 2.31 | 1.83 | 1.46 | 1.31 |