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Table 1 Demographic characteristics of school-aged children in relation to pre-treatment infection and one-year post-treatment re-infection prevalence of S. haematobium

From: Geographical and behavioral risks associated with Schistosoma haematobium infection in an area of complex transmission

Variable n Pre-treatment Re-infectiona
No. infected (%) OR (95% CI) P-value No. re-infected (%) OR (95% CI) P-value
Sex
 Girls 146 37 (25.34) 1   7 (4.79) 1  
 Boys 104 50 (48.08) 2.57 (1.49–4.50) 0.0001 35 (33.65) 8.95 (3.94–23.15) 0.0001
Age (years)
 6–8 87 17 (19.54) 1   12 (13.79) 1  
 9–11 84 31 (36.90) 2.38 (1.19–4.91) 0.01 15 (17.85) 1.24 (0.49–3.11) 0.648
 12–14 79 39 (49.37) 3.75 (1.88–7.73) 0.0001 15 (18.98) 1.17 (0.47–2.93) 0.734
  1. aModel of re-infection prevalence was controlled for presence or absence of detectable infection 3-weeks post-praziquantel treatment
  2. Abbreviations: n number enrolled, CI confidence interval