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Table 1 Descriptive characteristics of participants and prevalence of intestinal parasites

From: Prevalence of intestinal parasites and the absence of soil-transmitted helminths in Añatuya, Santiago del Estero, Argentina

  Rural settlements Total Peri-urban neighbourhood Total
  Lot 47 (n = 101) Lot 58 (n = 173) Lot 27 (n = 46) Rural area (n = 320) Colonia San Francisco (n = 150) Rural and peri-urban (n = 470)
Age, mean ± SD 32.7 ± 21.8 21.4 ± 18.1 27.4 ± 21.7 25.8 ± 20.5 8.0 ± 4.0 20.0 ± 19.1
Range 2–86 1–72 1–83 1–83 1–15 1–83
Gender, n (%)       
Female 42 (41.6) 83 (48.0) 26 (56.5) 151 (47.2) 83 (55.3) 234 (50.2)
Male 59 (58.4) 90 (52.0) 20 (43.5) 169 (52.8) 67 (44.7) 236 (49.8)
Finished elementary school, n (%) 41 (40.6) 25 (14.5) 25 (54.3) 91 (28.4) 0 (0) 91 (19.4)
Currently in school, n (%) 24 (23.8) 68 (39.3) 12 (26.1%) 104 (32.5) 124 (82.67) 228 (48.5)
Prevalence of protozoans, n (%) [95% CI] 17 (16.8) [10.8–25.3]a 14 (8.1) [4.9–13.1]b,c,e 1 (2.2) [0.4–11.3]f 32 (10.0) [7.2–13.8] 23 (15.3) [10.4–22.0]f,h,i,j 55 (11.7) [9.1–14.9]
Entamoeba coli 3 (3.0) [1.0–8.4] 7 (4.0) [2.0–8.1] 0 10 (3.1) [1.7–5.7] 2 (1.3) [0.4–4.7] 12 (2.6) [1.5–4.4]
Blastocystis hominis 1 (1.0) [0.2–5.4] 1 (0.58) [0.1–3.2] 0 2 (0.63) [0.17–2.3] 1 (0.67) [0.1–3.7] 3 (0.64) [0.22–1.9]
Chilomastix mesnili 5 (5.0) [2.1–11.1] 0 1 (2.2) [0.4–11.3] 6 (1.9) [0.87–4.0] 5 (3.3) [1.4–7.6] 11 (2.3) [1.9–4.1]
Giardia lamblia 8 (7.9) [4.1–14.9] 6 (3.5) [1.6–7.4] 1 (2.2) [0.4–11.3] 15 (4.7) [2.9–7.6] 19 (12.7) [8.2–18.9] 34 (7.2) [5.2–9.9]
Endolimax nana 3 (3.0) [1.0–8.4] 1 (0.58) [0.1–3.2] 0 4 (1.3) [0.49–3.2] 0 4 (0.85) [0.33–2.2]
Prevalence of helminth parasites, n (%) [95% CI] 3 (3.0) [1.0–8.4] 26 (15.0) [10.5–21.1]c,d,e 1 (2.2) [0.4–11.3] 30 (9.4) [6.7–13.1] 32 (21.3) [15.5–28.6]g,h,i,j 52 (11.1) [8.5–14.2]
Enterobius vermicularis 1 (1.0) [0.2–5.4] 9 (5.2) [2.8–9.6] 1 (2.29 [0.4–11.3] 11 (3.4) [1.9–6.1] 16 (10.7) [6.7–16.6] 27 (5.7) [4.0–8.2]
Hookworm 2 (2.0) [0.5–6.9] 0 0 2 (0.63) [0.17–2.3] 0 2 (0.43) [0.12–1.6]
Hymenolepis nana 0 21 (12.1) [8.1–17.9] 0 21 (6.6) [4.3–9.8] 18 (12.0) [7.7–18.2] 39 (8.3) [6.1–11.1]
  1. aTwo co-infections G. lambia + C. mesnili and one co-infection C. mesnili + E. coli + E. nana
  2. bOne co-infection B. hominis + E. coli
  3. cOne co-infection E. vermicularis + E. coli
  4. dFour co-infections E. vermicularis + H. nana
  5. eOne co-infection G. lamblia + H. nana
  6. fOne co-infection G. lamblia + C. mesnili
  7. gOne co-infection E. vermicularis + H. nana
  8. hOne co-infection G. lamblia + H. nana
  9. iThree co-infections G. lamblia + C. mesnili + H. nana
  10. jOne co-infection E. vermicularis + H. nana + C. mesnili
  11. Abbreviations: SD standard deviation, CI confidence interval, PSAC preschool-aged children