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Table 2 Prevalence of schistosomiasis and soil-transmitted helminthiases among preschool aged children by age

From: Prevalence and risk factors of schistosomiasis and soil-transmitted helminthiases among preschool aged children (1–5 years) in rural KwaZulu-Natal, South Africa: a cross-sectional study

Age group Frequency S. haematobium (95% CI) S. mansoni (95% CI) A. lumbricoides (95% CI) T. trichuris (95% CI) Hookworm (95% CI) Taenia species (95% CI)
1-year-old 35 0 0 11.4% (4.41–25.31%) 0 0 0
2-year-old 104 0 0 6.7% (1.89–11.51%) 0 1.0% (0.17–5.24%) 2.9% (0.98–8.13%)
3-year-old 203 1.0% (0.27–3.53%) 0 10.3% (6.86–15.29%) 0.5% (0.09–2.73%) 0.1% (0.27–3.53%) 3.4% (1.68–6.95%)
4-year-old 348 0.9% (0.00–1.89%) 1.7% (0.34–3.06%) 21.3% (17.29–25.86%) 1.4% (0.62–3.32%) 2.3% (1.17–4.47%) 7.2% (4.91–10.39%)
5-year-old 453 1.3% (0.61–2.87%) 0.7% (0.22–1.93%) 17.0% (13.86–20.78%) 1.3% (0.61–2.87%) 1.1% (0.48–2.57%) 6.4% (4.15–8.65%)
Total 1143  
χ2 (P-value)   2.00 (0.730) 6.75 (0.151) 19.65 (0.001) 2.92 (0.570) 1.87 (0.520) 7.53 (0.108)
  1. Note: Except where indicated as P-value, figures in brackets show 95% confidence intervals