Table 3 Outcomes by level of social disadvantage

N FMU / N OU

FMU / OU

N FMU / N OU

FMU / OU

No post sec./Post sec .

Optimal outcome of birth*

192/156

2.4 (1.5-3.9)

510/434

2.7 (1.9-3.7)

0.9 (0.5-1.6)

Perinatal outcomes

Apgar score <9/5 min

5/5

1.0 (0.3-3.5)

10/15

0.7 (0.3-1.5)

1.5 (0.3-6.6)

NICU admission >24 hours

7/10

0.7 (0.3-1.8)

11/13

0.8 (0.4-1.9)

0.8 (0.2-3.0)

Infant readmission 0–28 days p.p.

8/7

1.1 (0.4-3.2)

15/28

0.5 (0.3-1.003)

2.1 (0.6-7.0)

Maternal outcomes

Intact perineum

159/144

1.4 (0.9-2.1)

355/322

1.3 (1.002-1.6)

1.1 (0.7-1.8)

3rd-4th degree perineal tear

5/6

0.8 (0.6-2.7)

14/18

0.8 (0.4-1.6)

1.1 (0.3-4.5)

Maternal readmission 0–28 days p.p.

4/10

0.4 (0.1-1.3)

20/30

0. 7 (0.4-1.2)

0.6 (0.2-2.2)

Interventions

Caesarean section

6/11

0.5 (0.2-1.5)

13/23

0.5 (0.3-1.1)

1.0 (0.3-3.5)

Instrumental delivery

5/11

0.4 (0.1-1.3)

20/50

0.3 (0.2-0.6)

1.2 (0.3-4.2)

Syntocinon augmentation of labour

19/40

0.4 (0.2-0.7)

50/114

0.3 (0.2-0.5)

1.0 (0.5-2.3)

Pain relief and position for birth:

Epidural analgesia

10/27

0.3 (0.1-0.7)

25/59

0.3 (0.2-0.6)

0.8 (0.3-2.1)

Water birth

33/15

2.5 (1.3-4.9)

126/56

2.6 (1.8-3.7)

1.0 (0.4-2.0)

Upright position for birth

43/28

1.6 (0.8-3.2)

145/130

1.9 (1.4-2.7)

0.8 (0.4-1.8)