Table 3 Prevalence (N (%)) of general symptoms in study groups in the first and last year quarters
From: A controlled survey of less typical long-term consequences after an extensive waterborne epidemic
Contaminated group | Control group | p-value | ||
|---|---|---|---|---|
N = 323 | N = 186 | |||
Headache | 1q | 54 (16.7) | 23 (12.2) | |
4q | 47 (14.5) | 36 (19.2) | ||
Dizziness | 1q | 20 (6.2) | 5 (2.7) | |
4q | 12 (3.7) | 6 (3.2) | ||
Anxiety or fear | 1q | 11 (3.4) | 6 (3.2) | |
4q | 7 (2.2) | 14 (7.5) | ||
Fatigue | 1q | 58 (17.9) | 22 (11.7) | |
4q | 29 (9.0) | 34 (18.1) | 0.03 | |
Rash | 1q | 38 (11.7) | 10 (5.3) | 0.02 |
4q | 23 (7.1) | 16 (8.5) | ||
Dyspnoea | 1q | 14 (4.3) | 3 (1.6) | |
4q | 15 (4.6) | 2 (1.1) | 0.04 | |
Eye irritation | 1q | 24 (7.4) | 5 (2.7) | 0.03 |
4q | 17 (5.3) | 2 (1.1) | 0.02 | |
Heartburn | 1q | 27 (8.3) | 6 (3.2) | 0.02 |
4q | 23 (7.1) | 12 (6.4) | ||
Dysuria | 1q | 8 (2.5) | 2 (1.1) | |
4q | 9 (2.8) | 3 (1.6) | ||
Back pain | 1q | 35 (10.8) | 13 (6.9) | |
4q | 34 (10.5) | 22 (11.7) | ||
Weight loss | 1q | 26 (8.0) | 4 (2.1) | 0.01 |
4q | 8 (2.5) | 2 (1.1) | ||
Sleeping disturb. | 1q | 36 (11.1) | 11 (5.9) | |
4q | 24 (7.4) | 15 (8.0) |