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

From: Early menarche and childhood adversities in a nationally representative sample

Age   AOM Early menarche Not Lived with Bio-father Childhood sexual abuse Number ACE Number ACE
0 1,2 3,4 4 <
N Mean (SD) % (n) % (n) % (n) % (n) Mean (SD)
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
  1. Birth cohorts divided by decade of birth; percentages are weighted.
  2. AOM = age of menarche.
  3. ACE = adverse childhood experiences.