Table 1

Characteristics of the three cohorts of women, by cohort and childbirth group

Cohort 1995 (n=486 628) (%)Cohort 2000 (n=490 878) (%)Cohort 2005 (n=492 504) (%)
B0B1B1+B0B1B1+B0B1B1+
n450 63015 09620 902455 96213 56921 347453 53214 29924 673
Age (years)
 18–2458.136.235.355.429.425.656.725.821.4
 25–2919.935.543.721.636.046.220.432.142.0
 30–3411.920.117.712.424.423.812.428.630.9
 35–3910.18.23.310.610.24.410.513.55.8
Country of birth
 Sweden90.591.194.089.088.293.087.686.691.5
 Other Scandinavian country2.22.61.71.41.71.21.11.41.0
 Other EU-251.61.30.81.51.30.81.61.51.0
 Rest of the world5.75.03.58.18.85.09.710.56.5
Type of living area
 Large cities41.739.737.043.341.641.443.443.844.1
 Medium-sized cities34.934.935.435.134.534.235.733.734.2
 Small cities/village23.425.427.621.723.924.420.922.521.8
Educational level
 Elementary school (≤9 years)19.415.39.221.918.59.620.012.77.1
 High school (10–12 years)57.260.057.349.552.748.145.947.238.6
 University/college (≥13 years)23.424.733.528.628.842.334.140.154.3
Family situation
 Married or cohabitant6.022.028.75.122.329.24.522.527.7
 Single94.078.071.394.977.770.895.577.572.3
  • B0, no childbirth during follow-up; B1, first childbirth during index year (at date T0) of each cohort and no more children during follow-up; B1+, first childbirth at T0 and at least one more during follow-up; EU-25, European Union 25.