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Table 2 Prevalence and intensity of infections, by province and range of school-level prevalence

From: Monitoring and evaluating the impact of national school-based deworming in Kenya: study design and baseline results

Province/species N examined N infected % infected (95%CI1) School prevalence range (%) Mean epg (95%CI2)
Coast
Hookworm 4944 898 18.2 (14.0- 23.5) 0-59.3 64 (34–121)
A. lumbricoides 4944 51 1.0 (0.7-1.6) 0-8.3 29 (15–54)
T .trichiura 4944 390 7.9 (5.7-10.9) 0-44.4 10 (5–21)
Rift Valley
Hookworm 3658 129 3.5 (2.1 -6.0) 0-21.9 18 (6–57)
A. lumbricoides 3658 992 27.1 (21.9-33.5) 0-55.6 3445 (2707–4385)
T. trichiura 3658 435 11.9 (7.7-18.3) 0-64.4 31 (17–57)
Western
Hookworm 6018 1,513 25.1 (21.4-29.5) 0-57.9 144 (116–177)
A. lumbricoides 6018 1459 24.2 (20.4-28.7) 0.9-63.0 1616 (1293–2020)
T. trichiura 6018 351 5.8 (3.8-8.8) 0-40.7 17 (10–28)
Nyanza
Hookworm 6908 812 11.8 (9.8-14.1) 0-35.2 19 (14–26)
A. lumbricoides 6908 1373 19.9 (16.0-24.7) 0-71.3 1898 (1356–2655)
T. trichiura 6908 250 3.6 (2.6-5.1) 0-26.9 64 (10–399)
Total
Hookworm 21528 3352 15.6 (13.7-17.7) 0-59.3 64 (51–81)
A. lumbricoides 21528 3875 18.0 (15.7- 20.6) 0-71.3 1653 (1372–1991)
T. trichiura 21528 1426 6.6 (5.4- 8.1) 0-64.4 33 (10–104)
  1. 1Confidence intervals obtained by binomial regression taking into account school clusters.
  2. 2Confidence intervals obtained by negative binomial regression taking into account school clusters.