Table 3.
Frequency of Alcohol Consumption during Pregnancy and the Hazard Ratio (HR) for Miscarriage Stratified by Multivitamin Exposure
| Multivitamin Non-user (n=331) | |||||
|---|---|---|---|---|---|
| Alcohol Consumption | Miscarriage n=74 n (%) | HRcrude | 95% CI | HR1 | 95% CI |
| 4+ drinks/week (n=10) | 5 (50) | 5.34 | 2.10, 13.55 | 6.30 | 2.32, 17.05 |
| < 4 drinks/week (n=104) | 28 (27) | 1.65 | 1.02, 2.66 | 1.51 | 0.92, 2.47 |
| No alcohol intake (n=217) | 41 (19) | 1 | 1.0 | ||
| Multivitamin User (n=730) | |||||
|---|---|---|---|---|---|
| Alcohol Consumption | Miscarriage n=98 n (%) | HRcrude | 95% CI | HR1 | 95% CI |
| 4 + drinks/week (n=22) | 6 (27) | 2.19 | 0.94, 5.10 | 1.87 | 0.79, 4.45 |
| < 4 drinks/week (n=299) | 38 (13) | 0.99 | 0.65, 1.50 | 0.92 | 0.60, 1.41 |
| No alcohol intake (n=409) | 54 (13) | 1 | 1.00 | ||
1
adjusting for maternal age, caffeine, unintended pregnancy and marital status