Total sample (N=1662) Total sample (N=1662) Cohort 2015-2017 (N=893) Cohort 2015-2017 (N=893) Cohort 2017-2020 (N=769) Cohort 2017-2020 (N=769)
Characteristic N N N
Age (years), Mean (SD) 1647 32.61 (4.1) 887 32.56 (4.1) 760 32.67 (4.1)
Marital status, N (%) 1629 872 757
Married, living together with husband 1333 (81.83%) 704 (80.73%) 629 (83.09%)
Unmarried, living together with partner 271 (16.64) 153 (17.55%) 118 (15.59%)
Living without partner/divorced/widowed 25 (1.53%) 15 (1.72%) 10 (1.32%)
Migration background (country of birth other than Germany), N (%) 1631 149 (9.14%) 874 88 (10.07%) 757 61 (8.06%)
Education, N (%) 1626 871 755
No degree or less than 10 years of schooling 107 (6.58%) 64 (7.35%) 43 (5.70%)
Ten years of schooling 494 (30.38%) 249 (28.59%) 245 (32.45%)
University entrance level 1025 (63.04%) 558 (64.06%) 467 (61.85%)
Employment before birth, N (%) 1627 1481 (91.03%) 871 802 (92.08%) 756 679 (89.81%)
Primiparous, N (%) 1644 1048 (63.75%) 882 536 (60.77%) 762 512 (67.19%)*