Locality

N

Overall helminth prevalence n (%)

Helminth egg density (GMED)

Ascaris

Trichuris

Hookworm

N (%)

epg ± SD

n (%)

epg ± SD

n (%)

epg ± SD

Rural

235

103 (43.83)

71 (30.21)

3490 ± 9430

61 (25.96)

135 ± 367

12 (5.11)

62 ± 286

Urban

208

24 (11.54)

6 (2.88)

793 ± 2496

16 (7.69)

69 ± 263

2 (0.96)

24 ± 0.0

Total

443

127 (28.67)

77 (17.38)

890 ± 3716

77 (17.38)

117 ± 349

14 (3.16)

54 ± 267

Significance of difference between localities

 

χ2 = 60.12 p < 0.001

 

t = 2.04 p = 0.045

 

T = 2.10 P = 0.039

 

U = 6.00 p = 0.225
N: Number of pupils examined n: Number of pupils infected with helminths epg: Eggs per gram of faeces SD: Standard deviation
Table 2: Variation in the prevalence of helminths and egg densities in pupils in rural and urban areas.