Table 3.
Effect of intervention on prevalence of P. falciparum and hookworms at different time points among primary schoolchildren in Burma Valley farming area (n = 420) in Zimbabwe
| Parasite | Prevalence (95%CI) | |||
|---|---|---|---|---|
| Baseline | 6 months | 12 months | 33 months | |
| P. falciparum | ||||
| Overall | 28.3(24.1-32.9) | 12.9(9.8-16.4) | 12.4(9.4-15.9) | 8.1(5.7-11.1) |
| Sex | ||||
| Males | 26.1(20.4-32.5) | 11.5(7.6-16.5) | 12.4(8.3-17.5) | 9.2(5.7-13.8) |
| Females | 30.7(24.4-37.6) | 14.4(9.8-20.0) | 12.4(8.2-17.7) | 6.9(3.8-11.4) |
| S. haematobium | ||||
| Overall | 55.2(50.3-60.1) | 14.3(11.1-18.0) | 13.3(10.2-17.0) | 30.7 (26.3-35.4) |
| Sex | ||||
| Males | 52.8 (45.9-59.5) | 12.4 (8.3-17.5) | 13.3 (9.1-18.5) | 34.4 (18.1-41.1) |
| Females | 57.9 (50.8-64.8) | 16.3 (11.5-22.2) | 13.4 (9.0-18.4) | 26.7 (20.8-33.4) |
| S. mansoni | ||||
| Overall | 22.6(18.7-26.9) | 4.0(2.4-6.4) | 4.5(2.7-7.0) | 17.4(13.9-21.4) |
| Sex | ||||
| Males | 28.4 (22.6-34.9) | 3.2 (1.3-6.5) | 4.6 (2.2-8.3) | 15.6 (11.1-21.1) |
| Females | 16.3 (11.5-22.2) | 5.0 (2.4-8.9) | 4.5 (2.1-8.3) | 19.3 (14.1-25.4 |
| Hookworm | ||||
| Overall | 23.8(19.8-28.2) | 8.6(6.1-11.7) | 7.1(4.9-10.0) | 15.7(12.4-19.6) |
| Sex | ||||
| Males | 27.5(21.7-34.0) | 9.6(6.1-14.3) | 7.3(4.3-11.6) | 15.6(11.0-21.1) |
| Females | 19.8(14.5-26.0) | 7.4(4.2-12.0) | 6.9(3.8-11.4) | 15.8(11.1-21.6) |