| No of subjects | Baseline | Follow-up Year 1 | Follow-up Year 2 | Overall reduction |
---|---|---|---|---|---|
Hookworm | Â | Â | Â | Â | Â |
Prevalence (%) | Â | Â | Â | Â | Â |
Overall | 1 704 | 50.9 (48.6–53.3) | 24.1 (22.1–26.2) | 10.7 (9.3–12.2) | 79.0% |
Regions | Â | Â | Â | Â | Â |
   Albertine Nile | 637 | 48.0 (44.2–51.9) | 11.6 (9.1–14.1) | 5.5 (3.7–7.3) | 88.5% |
   Lake Albert | 335 | 41.2 (35.9–46.5) | 8.4 (5.4–11.3) | 9.0 (5.9–12.0) | 78.2% |
   Lake Victoria | 732 | 57.9 (54.3–61.5) | 42.2 (38.6–45.8) | 16.1 (13.5–18.8) | 72.2% |
Sex | Â | Â | Â | Â | Â |
   Boys | 877 | 53.5 (50.2–56.8) | 27.3 (24.3–30.2) | 12.2 (10.0–14.4) | 77.2% |
   Girls | 823 | 48.2 (44.8–51.7) | 20.8 (18.0–23.6) | 9.2 (7.3–11.2) | 80.9% |
Intensity of infection (epg) | Â | Â | Â | Â | Â |
Overall | Â | Â | Â | Â | Â |
   Mean epg | 1 704 | 309.4 (232.4–386.4) | 76.8 (62.9–90.7) | 21.9 (13.8–30.1) | 92.9% |
   0 epg (%) | - | 49.0 (46.7–51.4) | 75.9 (73.8–77.9) | 89.3 (87.8–90.7) | - |
   1–1 999 epg (%) | - | 48.4 (46.0–50.7) | 23.5 (21.5–25.5) | 10.6 (9.2–12.1) | - |
   2 000–3 999 epg (%) | - | 1.6 (1.0–2.2) | 0.5 (0.1–0.8) | 0.1 (0.0–0.2) | - |
   ≥ 4 000 epg (%) | - | 1.0 (0.5–1.5) | 0.1 (0.0–0.3) | 0.1 (0.0–0.2) | - |
Region | Â | Â | Â | Â | Â |
   Albertine Nile | 637 | 186.9 (148.0–225.8) | 29.6 (17.1–42.2) | 3.7 (1.7–5.7) | 98.0% |
   Lake Albert | 335 | 307.4 (1.2–613.6) | 22.8 (9.3–36.2) | 23.9 (0.0–51.4) | 92.2% |
   Lake Victoria | 732 | 416.8 (310.0–523.5) | 142.6 (113.4–171.8) | 36.9 (22.8–50.9) | 91.1% |
Sex | Â | Â | Â | Â | Â |
   Boys | 877 | 370.3 (229.5–511.1) | 76.7 (60.5–92.8) | 19.4 (12.3–26.5) | 94.8% |
   Girls | 823 | 244.5 (190.7–298.4) | 77.3 (54.3–100.4) | 24.7 (9.6–39.8) | 89.9% |
Ascaris lumbricoides | Â | Â | Â | Â | Â |
Overall prevalence (%) | 1 700 | 2.8 (2.0–3.6) | 1.6 (1.0–2.3) | 0.6 (0.3–1.0) | - |
Intensity of infection (epg) | 1 700 | 95.4 (26.4–164.3) | 20.0 (4.9–35.1) | 16.2 (3.5–28.9) | 83.0% |
Trichuris trichiura | Â | Â | Â | Â | Â |
Overall prevalence (%) | 1 700 | 2.2 (1.5–2.9) | 2.5 (1.7–3.2) | 1.6 (1.0–2.2) | - |
Intensity of infection (epg) | 1 700 | 3.3 (0.9–5.6) | 1.8 (1.0–2.7) | 3.05 (0.0–7.15) | - |