Maternal water usage | Controls | Neural tube defects | Oral cleft defects | Cancers* | ||||
---|---|---|---|---|---|---|---|---|
# | % | # | % | # | % | # | % | |
Daily average glasses of tap water | ||||||||
≤5 | 256 | 49.7 | 4 | 26.7 | 9 | 39.1 | 2 | 15.4 |
>5 | 259 | 50.3 | 11 | 73.3 | 14 | 60.9 | 11 | 84.6 |
Frequency mother showered or bathed | ||||||||
≤7/week | 390 | 74.1 | 11 | 73.3 | 17 | 70.8 | 9 | 69.2 |
8 – 13/week | 43 | 8.2 | 1 | 6.7 | 3 | 12.5 | 0 | 0.0 |
≥14/week | 93 | 17.7 | 3 | 20.0 | 4 | 16.7 | 4 | 30.8 |