Table 1 Characteristics of study population

Baseline characteristics

Total (n)

17995

Age (median (IQR))

30.0 (28.0;34.0)

Parity

Nulliparous

8581 (47.7)

Current smoker

548 (3.1)

Pre-pregnancy body mass index, median (IQR)

23.5 (21.2;27.0)

Education

Short cycle higher education

1353 (7.5)

Medium cycle education

6194 (34.4)

Long education

5532 (30.7)

Other

4916 (27.3)

Job situation

Employement

16262 (90.4)

Unemployement

911 (5.1)

Long-term absence of leave, not pregnancy-related

208 (1.2)

Other status

614 (3.4)

Chronic diseases

2909 (16.5)

History of mental illness

2252 (12.8)

Footnotes

N missing

Age n<5, Parity 19, Current smoker 403, BMI 507, Education 0, Job situation 0, Chronic disease 335, Psychiatric disease 338