Table 1 Demographic characteristics of non-pregnant and pregnant women with BD recruited from two study cohorts from the Netherlands

Age^a Mean (SD)

 Years

35.2 (6.3)

34.1 (3.9)

T = -0.95 p = 0.35

Marital status n (%)

 Married/cohabitating

24 (46.2)

33 (97.1)

 Widowed/separated

3 (5.8)

0 (0)

 Single

25 (48.1)

1 (2.9)

χ² = 23.2 p < 0.01

Educational level n (%)

 Low (some high school or less)

1 (1.9)

1 (3.0)

 Middle(high school-2 year college)

43 (82.7)

8 (24.2)

 High (graduate of professional school)

8 (15.4)

24 (72.7)

χ² = 29.2 p < 0.01

Work n (%)

 Regular work, school or household

29 (59.2)

26 (78.8)

 Other work

19 (38.8)

2 (6.1)

 Unable to work

1 (2.0)

5 (15.2)

χ² = 14.0 p < 0.01