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Table 1 List and characteristics of the 41 eligible studies

From: Prevalence and distribution of soil-transmitted helminth infections in Nigerian children: a systematic review and meta-analysis

Study ID

Year of study

State

Region

Study setting

Sample size

Cases

Prevalence (%)

95% CI

[57]

2011

Rivers

SSR

School-based

3826

1050

27.4

26.0–28.9

[58]

2012/2013

Kwara

NCR

School-based

1017

229

22.5

20.0–25.2

[59]

1989

Kwara

NCR

Community-based

907

797

87.9

85.6–89.9

[60]

2002

Ogun

SWR

School-based

1253

1129

90.1

88.3–91.7

[61]

2006

Lagos

SWR

School-based

1177

579

49.2

46.3–52.1

[62]

2005/2006

Ogun

SWR

School-based

1059

872

82.3

79.9–84.6

[63]

2007

Cross River

SSR

Community-based

350

174

49.7

44.4–55.1

[64]

1985

Rivers

SSR

Community-based

1062

1020

96.1

94.7–97.1

[65]

2011

Anambra

SER

School-based

200

80

40.0

33.2–47.2

[66]

2014

Kwara

NCR

School-based

304

54

17.8

13.6–22.5

[67]

1980

Lagos

SWR

School-based

5595

4241

75.8

74.7–76.9

[68]

2008

Nasarawa

NCR

School-based

480

314

65.4

61.0–69.7

[69]

2004/2005

Ogun

SWR

School-based

232

112

48.3

41.7–54.9

[70]

1993

Anambra

SER

School-based

1536

775

50.5

47.9–53.0

[71]

1987

Oyo

SWR

School-based

766

678

88.5

86.0–90.7

[72]

2012

Kano

NWR

School-based

570

95

16.7

13.7–20.0

[73]

2005

Osun

SWR

Community-based

369

48

13.0

9.8–16.9

[74]

2006/2007

Osun

SWR

Community-based

1228

684

55.7

52.9–58.5

[75]

2005/2006

Delta

SSR

School-based

1200

960

80.0

77.6–82.2

[76]

2002

Kaduna

NWR

School-based

800

86

10.8

8.7–13.1

[77]

2011

Abuja

NCR

School-based

220

90

40.9

34.4–47.7

[78]

2011

Edo

SSR

Community-based

140

29

20.7

14.3–28.4

[79]

2008/2009

Edo

SSR

Hospital-based

310

170

54.8

49.1–60.5

[80]

2012

Delta

SSR

School-based

200

117

58.5

51.3–65.4

[81]

2007

Anambra

SER

School-based

514

275

53.5

49.1–57.9

[82]

2012

Imo

SER

School-based

284

88

31.0

25.7–36.7

[83]

2000

Osun

SWR

School-based

749

245

32.7

29.4–36.2

[84]

2009

Akwa Ibom

SSR

School-based

405

286

70.6

65.9–75.0

[85]

2005

Adamawa

NER

School-based

250

114

45.6

39.3–52.0

[86]

2013

Abia

SER

School-based

200

41

20.5

15.1–26.8

[87]

2003

Ogun

SWR

School-based

2837

1376

48.5

46.7–50.4

[88]

2003–2005

Ogun

SWR

School-based

1519

435

28.6

26.4–31.0

[89]

2009

Osun

SWR

Community-based

352

121

34.4

29.4–39.6

[90]

2005

Osun

SWR

Community-based

300

18

6.0

3.6–9.3

[91]

2012

Ebonyi

SER

School-based

300

244

81.3

76.5–85.6

[92]

2004/2005

Osun

SWR

School-based

489

468

95.7

93.5–97.3

[93]

2011

Osun

SWR

School-based

419

401

95.7

93.3–97.4

[94]

2002

Abia

SER

School-based

300

277

92.3

88.7–95.1

[95]

2014

Benue

NCR

Community-based

228

23

10.1

6.5–14.8

[96]

2001/2002

Edo

SSR

Hospital-based

207

44

21.3

15.9–27.5

[97]

2013

Rivers

SSR

School-based

364

62

17.0

13.3–21.3

  1. CI Confidence interval, NCR North-central region, NER North-east region, NWR North-west region, SER South-east region, SSR South-south region, SWR South-west region