Table 4 PCL-5 - hierarchical multiple regression analyses

step 1

.041**

age

− .131**

-4.511

educational level

 medium

.113**

3.895

 low

.087*

3.042

step 2

.125**

age

− .121**

-4.331

educational level

 medium

.088*

3.136

 low

.057*

2.067

psychological treatment before childbirth

− .085*

-3.140

fear of childbirth

.192**

7.046

induction of labor

.086*

3.204

birth debriefing

0.55*

1.918

lack of social support after childbirth

.115**

4.026

step 3

.204**

age

− .135**

-5.019

educational level

 medium

.058*

2.157

 low

.049

1.860

psychological treatment before childbirth

− .090*

-3.484

fear of childbirth

.166**

6.362

induction of labor

.066*

2.498

birth debriefing

.067*

2.428

lack of social support after childbirth

.109**

3.976

delivery mode***

 AVD

.132**

4.991

 Grade 4

.011

0.414

 Grade 3

.060*

2.212

 Grade 2

.081*

3.043

 Grade 1

.293**

11.087

ΔR² from step 1 to step 2

.081**

ΔR² from step 2 to step 3

.088**