Table 4 Results of multivariate analyses for the outcome mode of birth using backward logistic regression (n = 946)

Included

Constant

-5.73 (0.57)

0.00

Proximate indicators of ‘supportive care during labour’

Supportive procedures by midwives

Yes

1.0

No

1.10 (0.36)

1.50

3.01**

6.05

Satisfaction with the presence of midwives

Yes

1.0

No

0.90 (0.24)

1.53

2.45**

3.93

Hospital

A (Reference)

1.0

B

0.33 (0.37)

0.68

1.39

2.86

C

0.03 (0.35)

0.52

1.03

2.05

D

0.99 (0.32)

1.45

2.70**

5.02

Parturient-specific variables

Parity

Primipara

1.44 (0.39)

1.95

4.20***

9.07

Multipara

1.0

Time span from admission to labour

≤ 385 min.

1.0

> 386 min.

1.00 (0.258)

1.63

2.71***

4.49

Epidural/opiates

Yes

0.86 (0.23)

1.51

2.35***

3.66

No

1.0

Oxytocin

Yes

0.92 (0.24)

1.57

2.51***

4.01

No

1.0

Childbirth preparation class

Yes

0.71 (0.40)

0.93

2.04

4.47

No

1.0