Table 5

 Work related symptoms

Control subjects (n = 429)Current sewage exposure (n = 332)
Definition of work related symptoms: see Methods.
Figures are numbers (%).
Seventeen workers with only previous sewage exposure excluded.
Epigastric pain: cases with pain relieved by food not included.
Fatigue13 (3.0)11 (3.3)
Fever, chills1 (0.2)1 (0.3)
Headache5 (1.1)3 (0.9)
Diarrhoea1 (0.2)6 (1.8)
Epigastric pain1 (0.2)3 (0.9)
Abdominal cramps0 (0)2 (0.6)