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Table 1 Prevalence and intensity of infection for schistosomiasis and soil-transmitted helminths among children 5–19 years old in Mbita and nearby islands, western Kenya 1

From: High prevalence of schistosomiasis in Mbita and its adjacent islands of Lake Victoria, western Kenya

Species infection

Overall prevalence, (%)2

Intensity threshold prevalence, (%)

Intensity (epg)3

Light

Moderate

Heavy

One or more helminth

65.6 (64.2-67.1)

    

S. mansoni

60.5 (59.0-62.0)

49.0

35.8

15.2

215.8 ± 343.5

One or more soil-transmitted helminth

12.4 (11.4-13.4)

    

 Hookworm

8.4 (7.6-9.3)

100

0.0

0.0

47.7 ± 87.9

A. lumbricoides

3.3 (2.7-3.8)

80.3

19.7

0.0

2580.5 ± 4283.2

T. trichiura

1.6 (1.2-2.0)

100

0.0

0.0

30.1 ± 43.9

  1. 1 Sample size: 5–7 years-110, 8–10 years-406, 11–13 years-2129, 14–16 years-1328, 17–19 years-29, unknown age-62.
  2. 2 Values in parenthesis indicate 95% confidence intervals.
  3. 3 Intensity of infection expressed as arithmetic mean ± SD.