Table 3

Distribution of intestinal parasites by age among children at the University of Gondar Community School, Gondar town, Northwest Ethiopia, April - June 2012
Type of parasite Age group in years Total ( n = 304) N
    o
(%)
≤ 9 (n = 132) 10-12 (n = 118) ≥13 (n = 54)
N
    o
(%)
N
    o
(%)
N
    o
(%)
Helminthes 28 (21.2) 34 (24.6) 23 (42.6) 82 (26.9)
  H. nana 18 (13.6) 16 (13.6) 8 (14.8) 42 (13.8)
  A.lumbricoides 4 (3.0) 10 (8.5) 4 (7.4) 18 (5.9)
  S. mansoni 0 (0) 2 (1.7) 2 (3.7) 4 (1.3)
  S. stercoralis 0 (0) 1 (0.8) 1 (1.8) 2 (0.7)
  T. trichiura 5 (3.8) 3 (2.5) 2 (3.7) 10 (3.3)
  Hookworm 1 (0.8) 3 (2.5) 2 (3.7) 6 (2.0)
Protozoans 16 (12.1) 17 (14.4) 9 (16.7) 40 (13.2)
  G. intestinalis 4 (3.0) 5 (3.9) 3 (3.6) 12 (3.9)
  Entamoeba histolytica/dispar 12 (9.1) 12 (10.2) 4 (7.4) 28 (9.2)
Total 39 (29.5) 50 (42.3) 13 (24.1) 104 (34.2)

NB: The sum of the columns is greater than the total because of the coinfection of some of the students.

Gelaw et al.

Gelaw et al. BMC Public Health 2013 13:304   doi:10.1186/1471-2458-13-304

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