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. | ||
Fatigue | 13 (3.0) | 11 (3.3) |
Fever, chills | 1 (0.2) | 1 (0.3) |
Headache | 5 (1.1) | 3 (0.9) |
Diarrhoea | 1 (0.2) | 6 (1.8) |
Epigastric pain | 1 (0.2) | 3 (0.9) |
Abdominal cramps | 0 (0) | 2 (0.6) |