Table 3 Incidence (per 1000) of intestinal parasites in stool samples for various age groups

< 1 yr

1-2 yrs

3-5 yrs

6-10 yrs

11-14 yrs

15-17 yrs

Overall

Parasite

(n = 227)

(n = 151)

(n = 189)

(n = 191)

(n = 145)

(n = 177)

(n = 1080)

G. lamblia

13 (2.7 - 38.6)

99 (55.6 - 163.8)

138 (89.9 - 201.6)

89 (51.8 - 142.5)

117 (68.3 - 187.7)

152 (100.5 - 221.9)

97 (79.5 - 117.7)

E. coli

0 (0.0 - 16.2)

0 (0.0-24.4)

5.3 (0.1-29.5)

0 (0.0-19.3)

6.9 (0.1-38.4)

0 (0.0-20.8)

2 (0.2 - 6.7)

Other flagellates

0 (0.0 - 16.2)

6.6 (0.2-36.9)

0 (0.0-19.5)

0 (0.0-19.3)

0 (0.0-25.4)

0 (0.0-20.8)

1 (0.0 - 5.2)

H. nana

0 (0.0 - 16.2)

6.6 (0.2-36.9)

0 (0.0-19.5)

0 (0.0-19.3)

0 (0.0-25.4)

0 (0.0-20.8)

1 (0.0 - 5.2)

Hookworm

0 (0.0 - 16.2)

0 (0.0-24.4)

0 (0.0-19.5)

5.2 (0.1-29.2)

13.8 (1.7-49.8)

5.6 (0.1-31.5)

4 (1.0 - 9.5)

S. stercoralis

0 (0.0 - 16.2)

13.2 (1.6-47.8)

5.3 (0.1-29.5)

5.2 (0.1-29.2)

6.9 (0.1-38.4)

11.3 (1.4-40.8)

6 (2.6 - 13.3)

E. histolytica/dispar

0 (0.0 - 16.2)

6.6 (0.2-36.9)

5.3 (0.1-29.5)

0 (0.0-19.3)

0 (0.0-25.4)

0 (0.0-20.8)

2 (0.2 - 6.7)

S. mansoni

0 (0.0 - 16.2)

0 (0.0-24.4)

0 (0.0-19.5)

5.2 (0.1-29.2)

0 (0.0-25.4)

0 (0.0-20.8)

1 (0.0 - 5.1)