Table 1. Characteristics of populations analyzed in the study.
| Dielmo Year 2002 | Ndiop Year 2002 | Ndiop Year 2000 | |
| Number of villagers | 186 | 221 | 204 |
| sex ratio F/M | 99/87 | 119/102 | 97/107 |
| Mean age | 28.6 | 24.2 | 24 |
| Median age [range] | 22.8 [3.4–80.5] | 18.2 [3.4–76.9] | 18.2 [3.6–75] |
| No Indiv. Hb AA/AS/AC | 160/14/4 | 186/30/5 | 164/36/4 |
| % individuals parasitemic* | 45.9% | 9.6% | 18.1% |
| cumulative EIR** | 295.5 | 17.9 | 50.7 |
| No Indiv. included for clin. attacks | 163 | 203 | 191 |
| Overall No of clinical attacks | 51 | 199 | 275 |
*Individuals with positive blood smear on the day of blood withdrawal.
**Cumulative Entomological Inoculation Rate measured during the 5 months follow-up.