Table 2 Risk adjusted association of characteristics between epidural and non-epidural analgesia (Binary logistic regression analysis)

Gestation period

0.98

0.97 – 1.00

Complications*

2.11

1.82 – 2.43

Induced labour

2.77

2.60 – 2.96

Longer labour

1.01

1.00 – 1.01

Instrumental delivery

5.12

4.99 – 5.15

Caesarean section

7.25

5.66 – 9.29

Stillbirth

0.85

0.51 – 1.42

Neonatal death

0.44

0.15 – 0.58

Apgar (1 min) 7 or less

1.20

1.07 – 1.33

Apgar (5 min) 7 or less

1.00

0.67 – 1.52

Weight of baby

1.00

1.001 – 1.008