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Table 3 Prevalence and Intensity of Schistosoma mansoni infections by villages

From: Association between Schistosoma mansoni infection and access to improved water and sanitation facilities in Mwea, Kirinyaga County, Kenya

  Karima N (%) Rurumi N (%) Kasarani N (%) Kirogo N (%) Kamucege N (%) Block N (%) Gakungu N (%) Total
S. mansoni
 Positive 21 72 34 7 29 19 27 209
 Negative 93 158 87 93 99 86 80 696
 Prevalence 18.4 31.3 28.1 7 22.7 18.1 25.2 23.1
 OR (95% CI) 0.669(0.351–1.274) 1.350(0.805–2.266) 1.158(0.642–2.088) 0.223(0.092–0.540) 0.868(0.476–1.584) 0.655(0.338–1.268) REF  
P-value 0.220 0.255 0.626 < 0.001 0.644 0.207   
Intensity
 Light (1–99 epg) 20 46 19 6 24 17 24 156
 Moderate (100–399 epg) 1 19 13 1 4 1 2 41
 Heavy (≥400 epg) 0 7 2 0 1 1 1 12
  1. N = 905 Karima N = 114, Rurumi N = 230, Kasarani N = 121, Kirogo N = 100, Kamucege N = 128, Block N = 105, Gakungu =107