Skip to main content

Advertisement

Table 2 Baseline, midterm and endline prevalence, mean intensity of infection and relative reductions % (Wald test: Z-statistic, P-value) among Kenyan school-aged children, 2012–2017

From: Results of a national school-based deworming programme on soil-transmitted helminths infections and schistosomiasis in Kenya: 2012–2017

  Baseline Midterm Endline Relative reduction (Baseline – Endline)
Survey prevalence, % (95% CI)
 STH Combined 32.3 (30.0–34.8) 16.4 (14.4–18.6) 13.5 (11.6–15.7) 58.2 (Z = -1.20, P < 0.001)
 Hookworm 15.4 (13.6–17.6) 2.3 (1.8–3.0) 1.3 (1.0–1.6) 91.6 (Z = -21.34, P < 0.001)
A. lumbricoides 18.1 (15.8–20.7) 11.9 (10.2–13.9) 9.6 (8.0–11.5) 46.8 (Z = -10.82, P < 0.001)
T. trichiura 6.7 (5.4–8.2) 4.5 (3.4–6.0) 4.1 (3.1–5.5) 38.4 (Z = -5.38, P < 0.001)
S. mansoni 2.1 (1.3–3.5) 1.5 (0.7–3.1) 1.7 (1.0–2.8) 19.3 (Z = -1.86, P = 0.062)
S. haematobium 14.8 (11.3–19.5) 6.8 (4.3–10.7) 2.4 (1.3–4.3) 84.0 (Z = -5.74, P < 0.001)
Mean intensity, epg (95% CI)
 STH Combined 1756 (1472–2094) 985 (824–1177) 944 (774–1151) 46.3 (Z = -9.17, P < 0.001)
 Hookworm 63 (50–81) 8 (5–14) 10 (5–19) 84.2 (Z = -5.58, P < 0.001)
A. lumbricoides 1659 (1378–1998) 960 (801–1151) 917 (750–1121) 44.7 (Z = -8.27, P < 0.001)
T. trichiura 33 (11–105) 17 (11–26) 16 (10–26) 50.9 (Z = -1.15, P < 0.001)
S. mansoni 12 (4–36) 5 (2–14) 5 (2–9) 61.6 (Z = -3.10, P = 0.002)
S. haematobium 16 (10–26) 7 (4–12) 2 (1–5) 87.2 (Z = -4.18, P < 0.001)