Table 1. Characteristics of the Ugandan cohorts.
| Region | Age group (yrs) | No. of people | Proportion positive for infection at the time of sample collection | Time since last infection (days) - median (IQR) | Incidence of symptomatic malaria per year - median (IQR) | Household annual EIR* (infective bites / person) - median (IQR) |
|---|---|---|---|---|---|---|
| Tororo | 2–3 | 10 | 0.5 | 18.5 (0,85) | 5.8 (2.9,7.7) | 56 (33,148) |
| 4–6 | 30 | 0.66 | 0 (0,45) | 3.6 (2.6,4.8) | 59 (38,84) | |
| 7–11 | 30 | 0.63 | 0 (0,45) | 2.3 (2,4.3) | 46 (30,110) | |
| >18 | 30 | 0.7 | 0 (0,45) | 1.2 (0.9,1.6) | 49 (35,94) | |
| Kanungu | 2–3 | 10 | 0.1 | 155 (61,190) | 1.7 (0.9,2) | 4.3 (4, 14) |
| 4–6 | 30 | 0.2 | 114 (43,289) | 1.5 (0.7, 2.3) | 7.3 (4.5, 15) | |
| 7–11 | 30 | 0.13 | 121 (41,263) | 1.5 (0.6, 2) | 5.2 (4, 7) | |
| >18 | 30 | 0.2 | 109 (38, 223) | 1.1 (0.8, 1.3) | 6.8 (4.8, 15.4) |
*
EIR – Entomological Inoculation Rate.