Table 3.
Risk estimates for maternal cigarette smoking from 1 month before through 3 months after the conception, by case groupings and TGFA genotypes
| TGF-alpha(Bam H1) | |||||
|---|---|---|---|---|---|
| Maternal no. of cigarettes smoked/day | AA | AC+CC | |||
| N* | OR &95% CI | N* | OR &95% CI | ||
| Isolated CL±P (n = 76) | 0 | 42 | ref** | 3 | 2.6 (0.6-12.1) |
| 1-19 | 28 | 1.5 (0.9-2.8) | 3 | 1.6 (0.4-6) | |
| Isolated CP (n = 29) | 0 | 15 | ref | 2 | 4.8 (0.8-28.8) |
| 1-19 | 5 | 0.8 (0.28-2.3) | 7 | 10.4 (3.2-33.6)*** | |
*
Number of case mothers/fathers in a given category. Number in parentheses, number of control mothers/fathers.
**
Reference group
***
P= 0.001