Table 1 Age of menarche, absence of bio-father, childhood sexual abuse (prior to menarche), and number of childhood adversities across birth cohorts

18-27y/o

654

12.5 (1.57)

20.2 (158)

37.1 (243)

15.8 (133)

38.2 (221)

40.2 (266 )

15.4 (104)

6.2 (63)

1.4 (1.55)

28-37y/o

655

12.4 (1.31)

24.9 (163)

33.4 (206)

18.7 (144)

33.5 (210)

44.0 (286)

15.9 (99)

6.7 (60)

1.6 (1.50)

38-47y/o

697

12.7 (1.62)

20.4 (152)

21.1 (149)

14.8 (128)

47.9 (290)

40.0 (281)

8.1 (80)

4.2 (46)

1.0 (1.36)

48-58y/o

636

12.6 (1.52)

22.5 (146)

15.5 (112)

14.8 (118)

49.4 (276)

37.0 (249)

9.1 (73)

5.0 (38)

1.1 (1.42)

59-98y/o

646

12.9 (1.84)

17.7 (126)

16.2 (104)

7.3 (57)

52.8 (331)

38.6 (250)

7.6 (52)

0.9 (13)

0.8 (1.21)

Wald chi-square

χ² = 21.41

χ² = 9.43

χ²= 84.01

χ² = 25.13

χ² = 123.62

χ² = 46.46

P-value

<0.001

0.051

<0.001

<0.001

< 0.001

<0.001