From: A large community outbreak of waterborne giardiasis- delayed detection in a non-endemic urban area
Water intake | Cases | % | Controls | % | OR* | 95% CI |
---|---|---|---|---|---|---|
< 1 glass | 1 | 1 % | 4 | 7 % | Ref | - |
1 – 2 glasses | 8 | 10 % | 11 | 20 % | 3.2 | 0.2 – 69.5 |
3 – 5 glasses | 23 | 28 % | 27 | 50 % | 4.8 | 0.4 – 64.7 |
more than 5 glasses | 51 | 61 % | 12 | 22 % | 7.4 | 1.2 – 44.5 |