| Baseline | Follow-up Year 1 | Follow-up Year 2 | Overall reduction |
---|---|---|---|---|
Prevalence | Â | Â | Â | Â |
Overall prevalence (%) | 57.4 (54.1–60.6) (n = 903) | 34.7 (31.1–38.2) (n = 689) | 9.8 (6.9–12.8) (n = 397) | 82.9% |
Regions | Â | Â | Â | Â |
   Albertine Nile | 43.1 (35.9–50.3) (n = 181) | 16.1 (10.2–22.0) (n = 149) | 6.1 (1.7–10.6) (n = 114) | 85.8% |
   Lake Albert | 65.6 (60.2–70.9) (n = 302) | 42.9 (35.2–50.7) (n = 156) | 17.8 (6.6–28.9) (n = 45) | 72.9% |
   Lake Victoria | 57.6 (52.9–62.4) (n = 420) | 38.5 (33.7–43.4) (n = 384) | 10.1 (6.3–13.9) (n = 238) | 82.5% |
Sex | Â | Â | Â | Â |
   Male | 64.6 (60.2–69.1) (n = 441) | 40.1 (34.5–45.7) (n = 294) | 9.3 (5.3–13.2) (n = 205) | 85.6% |
   Female | 48.2 (43.4–53.0) (n = 413) | 28.5 (23.3–33.7) (n = 288) | 9.9 (5.7–14.2) (n = 191) | 79.5% |
Intensity of infection | Â | Â | Â | Â |
Overall | Â | Â | Â | Â |
   Mean epg | 251.6 (213.7–289.6) (n = 903) | 80.4 (61.1–99.7) (n = 689) | 19.6 (4.9–34.3) (n = 397) | 92.2% |
   0 epg (%) | 42.6 (39.4–45.9) (n = 385) | 65.3 (61.7–68.9) (n = 450) | 90.2 (87.3–93.1) (n = 358) | - |
   1–99 epg (%) | 23.7 (20.9–26.5) (n = 214) | 19.3 (16.4–22.3) (n = 133) | 6.8 (4.3–9.3) (n = 27) | - |
   100–399 epg (%) | 16.8 (14.4–19.3) (n = 152) | 10.2 (7.9–12.4) (n = 70) | 2.0 (0.6–3.4) (n = 8) | - |
   ≥ 400 epg (%) | 16.8 (14.4–19.3) (n = 152) | 5.2 (3.6–6.9) (n = 36) | 1.0 (0.0–2.0) (n = 4) | - |
Region | Â | Â | Â | Â |
   Albertine Nile | 67.6 (46.3–89.0) (n = 181) | 31.0 (9.4–52.5) (n = 149) | 2.5 (0.1–4.8) (n = 116) | 96.3% |
   Lake Albert | 411.2 (321.6–500.7) (n = 302) | 131.9 (74.9–189.0) (n = 156) | 62.0 (0.0–167.6) (n = 48) | 84.9% |
   Lake Victoria | 216.2 (169.7–262.6) (n = 420) | 78.7 (54.5–102.9) (n = 384) | 18.4 (5.9–30.8) (n = 247) | 91.5% |
Sex | Â | Â | Â | Â |
   Male | 346.9 (285.0–408.8) (n = 441) | 101.8 (65.8–137.9) (n = 294) | 19.6 (0.0–44.4) (n = 205) | 94.3% |
   Female | 154.9 (107.6–202.2) (n = 413) | 69.2 (42.9–95.6) (n = 288) | 19.7 (4.6–34.9) (n = 191) | 87.3% |