Risk factors | Total number of participants N (%) | Total number of adults N (%) | Total number of children N (%) |
---|---|---|---|
Chronic diseases | |||
Chronic disorder or disease of the gastrointestinal tract | 27 (2) | 27 (3) | 0 (0) |
Reflux | 8 (1) | 7 (1) | 1 (1) |
Food allergy | 23 (2) | 18 (2) | 5 (3) |
Pregnancy with vomiting | 0 (0) | 0 (0) | 0 (0) |
Hay fever | 140 (12) | 124 (12) | 16 (9) |
Lung anomalies | 79 (7) | 68 (7) | 11 (6) |
No chronic diseases | 881 (76) | 738 (75) | 143 (81) |
Type of exposure | |||
Skin contact | 527 (46) | 457 (47) | 70 (40) |
Droplets of floodwater in the mouth | 19 (2) | 15 (2) | 4 (2) |
Gulp of floodwater in the mouth | 139 (12) | 113 (11) | 26 (15) |
Head submerged in floodwater | 5 (0) | 4 (0) | 1 (0) |
Not exposed | 468 (40) | 393 (40) | 75 (43) |
Type of activity | |||
Cleaning inside | 320 (28) | 311 (32) | 9 (5) |
Cleaning outside | 213 (18) | 208 (21) | 5 (3) |
Swum in floodwater | 3 (0) | 0 (0) | 3 (2) |
Used rubber boat | 7 (1) | 4 (0) | 3 (2) |
Walked through floodwater | 198 (17) | 158 (16) | 40 (23) |
Cycled through floodwater | 86 (7) | 71 (7) | 15 (8) |
Driven through floodwater by car | 139 (12) | 135 (14) | 4 (2) |
No activities | 192 (17) | 95 (10) | 97 (55) |
Location of flooding | |||
Toilet overflow | 250 (22) | 209 (21) | 41 (23) |
No toilet overflow | 908 (78) | 773 (79) | 135 (77) |
Street flooding | 779 (67) | 650 (66) | 129 (73) |
No street flooding | 379 (33) | 332 (34) | 47 (27) |