Table 2 Prevalence % (CL₉₅) of helminth and protozoan parasites by region of origin of the subjects in the study

  Ascaris lumbricoides

1.4 (0.83–2.21)

2.4 (1.35–4.01)

1.4 (0.33–5.03)

1.6 (0.44–5.03)

1.8 (1.29–2.38)

 Hookworms

4.7 (3.62–6.08)

2.4 (1.35–4.01)

2.2 (0.66–6.16)

1.6 (0.44–5.03)

3.5 (2.84–4.36)

  Trichuris trichiura

1.2 (0.71–2.02)

1.8 (0.97–3.35)

0.7 (0.10–3.81)

0.8 (0.12–3.71)

1.4 (0.98–1.96)

  Strongyloides stercoralis

0.5 (0.17–1.01)

0.5 (0.22–1.55)

0.0 (0.0–2.58)

0.0 (0.0–2.30)

0.4 (0.22–0.79)

  Taenia spp.

0.1 (0.0–0.43)

0.0 (0.0–0.70)

0.7 (0.10–3.81)

0.0 (0.0–2.30)

0.1 (0.01–0.29)

  Hymenolepis nana

0.5 (0.17–1.01)

0.2 (0.09–1.04)

0.7 (0.10–3.81)

0.8 (0.12–3.71)

0.4 (0.19–0.74)

  Enterobius vernicularis

0.2 (0.02–0.56)

0.1 (0.04–0.87)

0.0 (0.0–2.58)

0.0 (0.0–2.30)

0.1 (0.02–0.35)

 All helminths combined

7.3 (5.89–8.92)

7.2 (5.21–9.66)

5.8 (2.98–10.78)

4.9 (2.43–9.33)

7.0 (6.03–8.05)

  Blastocystis hominis

5.7 (4.44–7.12)

4.7 (3.19–6.82)

10.9 (6.59–17.03)

4.1 (1.81–8.26)

5.5 (4.61–6.41)

  Chilomastix mesnili

0.1 (0.0–0.43)

0.0 (0.0–0.70)

1.4 (0.33–5.03)

0.0 (0.0–2.30)

0.1 (0.02–0.35)

  Endolimax nana

3.2 (2.28–4.32)

2.1 (1.20–3.75)

4.3 (1.94–8.97)

8.9 (5.39–14.42)

3.1 (2.48–3.92)

  Entamoeba coli

2.2 (1.51–3.23)

1.3 (0.61–2.65)

8.7 (5.03–14.50)

1.6 (0.44–5.03)

2.2 (1.67–2.88)

  Entamoeba hartmanni

0.5 (0.22–1.12)

0.3 (0.13–1.21)

0.7 (0.10–3.81)

0.0 (0.0–2.30)

0.4 (0.22–0.79)

  Entamoeba histolytica/dispar

1.1 (0.59–1.82)

0.6 (0.27–1.72)

1.4 (0.33–5.03)

0.8 (0.12–3.71)

0.9 (0.59–1.39)

  Giardia duodenalis

3.6 (2.61–4.76)

1.1 (0.46–2.37)

1.4 (0.33–5.03)

0.0 (0 − 2.30)

2.3 (1.77–3.02)

  Iodamoeba butschlii

0.2 (0.05–0.68)

0.3 (0.13–1.21)

0.0 (0.0–2.58)

0.8 (0.12–3.71)

0.3 (0.11–0.58)

 All protozoa combined

12.7 (10.90–14.54)

8.5 (6.44–11.25)

21.7 (15.75–29.12)

13.0 (8.56–19.02)

11.7 (10.4–12.93)

Helminths and protozoa combined

19.2 (17.01–21.31)

14.6 (11.85–17.88)

26.8 (20.15–34.54)

17.1 (11.90–23.70)

17.8 (16.28–19.28)