Predictors

Exp(B)

95% C.I. for EXP(B)

p-value

Lower

Upper

Midwife routine

Control

1.0

Intervention

2.63

1.34

5.14

0.005

Alcohol use 3 months before

Rarely/never

1.0

No more than once a week

1.96

1.05

3.61

0.035

More than once a week

2.59

1.08

6.19

0.033

Previous children

First

1.07

0.32

3.55

0.905

Second

0.96

0.31

3.01

0.952

Third or more

1.0

Employment

Full-time

1.74

0.87

3.47

0.114

Part-time

2.27

0.86

6.00

0.094

Other

1.0

Marital status

Cohabiting with child’s father

1.0

Single

0.06

0.00

1.16

0.063

Other

3.6

0.45

29.59

0.227

Age

<30

0.81

0.40

1.66

0.578

31 - 33

1.5

0.69

3.28

0.303

>34

1.0