Exposure | Term low birth weight | OR (95% CI) | p value | |
---|---|---|---|---|
No #, % | Yes #, % | |||
Tetrachloroethylene (PCE) | ||||
No exposure | 3376, 31.4 | 77, 31.3 | 1.0 (ref.) | |
>0 - <35.9 ppb | 3689, 34.3 | 80, 32.5 | 1.0 (0.7- 1.3) | 0.75 |
≥35.9- <52.6 ppb | 1834, 17.1 | 48, 19.5 | 1.1 (0.9-1.9) | 0.46 |
≥52.6 - <80.7 ppb | 1102, 10.3 | 29, 11.8 | 1.2 (0.7-1.7) | 0.52 |
≥80.7 ppb | 743, 6.9 | 12, 4.9 | 0.7 (0.5-1.4) | 0.27 |
Trichloroethylene (TCE) | ||||
No exposure | 1938, 18.0 | 41, 16.7 | 1.0 (ref.) | |
>0 - <1.7 ppb | 4502, 41.9 | 97, 39.4 | 1.0 (0.7-1.5) | 0.92 |
≥1.7- <3.1 ppb | 2045, 19.0 | 57, 23.1 | 1.3 (0.9-2.0) | 0.18 |
≥3.1 - <9.8 ppb | 1384, 12.9 | 27, 11.0 | 0.9 (0.6-1.5) | 0.75 |
≥9.8 ppb | 875, 8.1 | 24, 9.8 | 1.3 (0.8-2.2) | 0.32 |
Benzene | ||||
No exposure | 7651, 71.2 | 169, 68.7 | 1.0 (ref.) | |
>0- < 1 ppb | 2419, 22.5 | 55, 22.4 | 1.0 (0.8-1.4) | 0.85 |
≥ 1 ppb | 674, 6.3 | 22, 8.9 | 1.5 (0.9-2.3) | 0.09 |