Table 2.
Perinatal outcomes according to reported alcohol behaviour at first antenatal visit in pregnancy
| Alcohol intake |
Non-drinker |
Ex-drinker |
Current drinker |
Ex-drinker versus Non-drinker |
Current drinker versus Non-drinker |
|---|---|---|---|---|---|
| n= 708 (%) | n= 5649 (%) | n= 368 (%) |
Crude OR (95% CI) |
Crude OR (95% CI) |
|
| Adjusted i OR (95% CI) | Adjusted i OR (95% CI) | ||||
| Preterm birth < 37 weeks |
53 (7.5) |
345 (6.1) |
23 (6.2) |
0.79 (0.59-1.07) |
0.82 (0.49-1.35) |
| 1.11 (0.75-1.63) |
0.56 (0.32-1.12) |
||||
| Very preterm birth < 32 weeks |
11 (1.6) |
71 (1.3) |
4 (1.1) |
0.79 (0.42-1.51) |
0.69 (0.22-2.18) |
| 0.87 (0.41-1.84) |
0.47 (0.14-1.16) |
||||
| Low birth weight < 2500g |
41 (5.8) |
259 (4.6) |
22 (6.0) |
0.77 (0.55-1.08) |
1.02 (0.60-1.74) |
| 0.82 (0.55-1.21) |
0.69 (0.39-1.22) |
||||
| Very low birth weight < 1000g |
5 (0.7) |
24 (0.4) |
3 (0.8) |
0.59 (0.23-1.55) |
1.14 (0.27-4.79) |
| 0.54 (0.20-1.46) |
0.91 (0.20-4.13) |
||||
| Intrauterine growth restriction ii |
91 (12.9) |
640 (11.3) |
69 (18.8) |
0.87 (0.68-1.10) |
1.56 (1.11-2.20)* |
| 0.90 (0.68-1.18) |
1.23 (0.83-1.83) |
||||
| Apgar score <3 at 1 minute |
8 (1.1) |
55 (1.0) |
3 (0.8) |
0.85 (0.40-1.79) |
0.71 (0.19-2.70) |
| 1.12 (0.44-2.89) |
0.56 (0.14-2.25) |
||||
| Apgar score <7 at 5 minutes |
6 (0.8) |
45 (0.8) |
4 (1.1) |
0.92 (0.39-2.18) |
1.28 (0.36-4.55) |
| 1.12 (0.39-3.22) |
0.68 (0.18-2.63) |
||||
| Admitted to neonatal unit |
43 (6.2) |
271 (4.8) |
20 (5.4) |
0.77 (0.55-1.07) |
0.92 (0.53-1.60) |
| 0.76 (0.51-1.13) |
0.63 (0.35-1.13) |
||||
| Congenital abnormality (any) |
15 (2.1) |
46 (0.8) |
5 (1.4) |
0.37 (0.21-0.81)* |
0.63 (0.23-1.74) |
| 0.40 (0.21-0.77)* |
0.73 (0.25-2.12) |
||||
| Perinatal death | 5 (0.7) | 20 (0.4) | 2 (0.5) | 0.62 (0.21-1.81) |
0.76 (0.15-3.92) |
| 0.87 (0.25-3.02) | 0.80 (0.14-4.53) |
i Adjusted for maternal age, Irish nationality, unplanned pregnancy, private healthcare, smoker, illicit drug use.
ii Customised birth weight < 10th percentile.
* p<0.05.