Primipara Multipara p-value
n=125 % n=232 %
Age-groups <0.001
15-24 years
25
20.0
21
9.1
25-34 years
94
75.2
167
72.0
35-39 years
6
4.8
36
15.5
40 or older
0
0.0
8
3.4
Civil status 0.438
Married/co-habited
125
100
226
98.7
Partner
0
0.0
2
0.9
Single
0
0.0
1
0.4
Ethnicity 0.191
Swedish
115
93.5
207
91.2
European
8
6.5
14
6.2
Non-European
0
0.0
6
2.6
Education 0.055
Primary school
2
1.3
3
1.6
Secondary school
44
35.5
110
47.6
University college
43
34.4
51
22.1
University
36
28.8
67
29.0
Employment
Employee
85
68.0
146
62.7
0.314
Self-employed
6
4.8
12
5.2
0.885
Student
5
4.0
9
3.9
0.949
Unemployed
5
4.0
9
3.9
0.949
Long sick-leave
1
0.8
1
0.4
0.654
Tobacco use
Before pregnancy
48
20.9
2
20.8
0.988
Until GW 25
12
5.2
1.6
1.6
0.094
Medication until GW 25
Steroids
3
9.4
12
16.9
0.316
Psychotropic
4
12.5
12
16.9
0.568
Analgesic
3
9.4
14
19.7
0.191
Other
27
84.4
45
64.3
0.039