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Table 1 Demographic information for the study population

From: Contribution of estradiol levels and hormonal contraceptives to sex differences within the fear network during fear conditioning and extinction

  N Age (SD) Education (SD) Estradiol (SD)
Men 37 29.8 (8.8) 16.4 (2.2)  
Women 48 23.3 (2.4) 15.9 (1.1)  
Women HE 16 23.0 (2.7) 15.8 (1.0) 222.6 (109.0)
LE 16 23.4 (2.6) 15.9 (1.2) 53.7 (30.9)
OC 16 23.6 (1.8) 15.9 (1.2)  
All 85 26.2 (6.8) 16.1 (1.7)  
  1. Sample size (n) and means for age, years of education, and estradiol levels as a function of group are indicated. SD = standard deviations. Age showed a significant effect of Group and was therefore added as a covariate in all analyses