|
Maternal age (years)
|
|
20–29
|
50.9 (114)
|
|
30–39
|
44.6 (100)
|
|
≥ 40
|
4.5 (10)
|
|
Parity
|
|
Nulliparous
|
41.5 (93)
|
|
Primiparous
|
44.6 (100)
|
|
Multiparous
|
13.8 (31)
|
|
Maternal pre-pregnancy BMI (kg/m2)
|
|
Underweight (< 18,5)
|
1.8 (4)
|
|
Normal (18,5–24,9)
|
43.3 (97)
|
|
Overweight (25–30)
|
29.9 (67)
|
|
Obese (> 30)
|
25.0 (56)
|
|
Chronic health issues
|
28.6 (64)a
|
|
No chronic health issue
|
71.4 (160)
|
|
Married
|
42.0 (94)
|
|
In relationship, cohabitating
|
54.0 (121)
|
|
In relationship, non-cohabitating
|
2.2 (5)
|
|
Single
|
1.3 (3)
|
|
Other
|
0.4 (1)
|
|
Highest completed education level
|
|
Elementary school
|
3.6 (8)
|
|
Upper secondary school
|
7.6 (17)
|
|
Vocational education
|
25.0 (56)
|
|
Shorter level of education
|
12.9 (29)
|
|
Bachelor degree
|
37.9 (85)
|
|
Master degree
|
12.1 (27)
|
|
Other
|
0.9 (2)
|
|
Household income
|
|
< 103,000 DKK
|
0.9 (2)
|
|
103,000–200,000 DKK
|
3.6 (8)
|
|
200,000–500,000 DKK
|
35.3 (79)
|
|
500,000–800,000 DKK
|
46.4 (104)
|
|
> 800,000 DKK
|
13.8 (31)
|
