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Table 2 Prevalence of S. mansoni

From: Current status of Schistosoma mansoni and the factors associated with infection two years following mass drug administration programme among primary school children in Mwea irrigation scheme: A cross-sectional study

Category Prevalence (%) 95 % CI
Overall prevalence 53.7 % 49.0–59.0
Prevalence by school   
 Mbui Njeru 43.8 % 36.5–52.7
 Mianya 75.0 % 67.3–83.6
 Mukou 47.4 % 39.6–56.7
Prevalence by location   
 Thiba 45.5 % 40.0–51.8
 Kangai 75.0 % 67.3–83.6
Prevalence by gender   
 Female 41.5 % 35.2–49.1
 Male 66.1 % 59.8–73.2
Prevalence by class   
 4 61.9 % 53.3–71.9
 5 46.5 % 37.8–57.4
 6 48.5 % 39.6–59.4
 7 58.5 % 48.8–70.2
Prevalence by age group   
 8–9 53.8 % 37.7–76.9
 10–11 51.0 % 43.7–59.5
 12–13 55.8 % 48.5–64.1
 >13 56.0 % 43.8–71.6