Table 4 Logistic regression for drinking during pregnancy

Age

 ≤ 24

1

–

 25–29

3.09

0.65-14.63

0.155

 30–34

4.54

0.98-20.97

0.053

 35–39

8.51

1.80–40.32

0.007

 ≥40

11.32

1.85-96.15

0.009

City size

 <200 000 inhabitants

1

–

 >200 000 inhabitants

1.69

1.00-2.86

0.048

Tobacco use during pregnancy

 Not at all

1

–

 Not daily

1.26

0.27-5.74

0.768

 Daily

3.76

1.57-9.00

0.003

Social support

0.87

0.77-0.98

0.028

Drinking habit

0.86

0.80-0.93

<0.001

Social drinking motives

1.12

1.00-1.26

0.044