Water Drunk | Percent of | OR | 95% CI | |
---|---|---|---|---|
Cases, n = 73 | Controls, n = 107 | |||
No spring, tank, or streama | 1.4 | 15 | Reference. | – |
Spring only | 0 | 0.93 | 0 | – |
Tank only | 33 | 31 | 11.6 | 1.4–94 |
Stream only | 11 | 8.4 | 14.2 | 1.5–133 |
Spring and tank only | 0 | 10 | 0 | – |
Spring and stream only | 0 | 0.93 | 0 | – |
Tank and stream only | 53 | 34 | 17.3 | 2.2–137 |
Stream and tank and spring | 1.4 | 0 | Infinity. | – |