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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.