Socio-demographic variable

mean ± SD/number of patients (%)

n = 234

Remarks

Mean age

Age range

Sex distribution

Male

Female

M:F

Occupation

Farmers

Civil servant

Business man

House wife

Student

Driver

Clergyman

Butcher

Mechanic

48.4 ± 14.1 years

3 - 106 years

219 (91.5%)

20 (8.5%)

11:1

145 (62.0%)

29 (12.4%)

28 (12.0%)

18 (7.7%)

6 (2.6%)

4 (1.7%)

2 (0.8%)

1 (0.4%)

1 (0.4%)

Farming was the commonest occupation and these patients had schistosomiasis in the childhood which was poorly treated