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Table 1 Demographic and obstetrical-gynaecological characteristics by attachment style

From: Adult attachment style and cortisol responses in women in late pregnancy

  Total (n = 71) Secure (n = 42) Fearful avoidant (n = 29)   
  Mean ± SD (Min-Max) Mean ± SD (Min-Max) Mean ± SD (Min-Max) t (79) Cohen’s d
Age (years) 32.17 ± 4.98 (20–45) 31.21 ± 4.76 (20–40) 33.55 ± 5.04 (24–45) 1.99 0.48
BMI pre-pregnancy 24.56 ± 3.90 (16–38) 24.88 ± 4.17 (16–38) 24.09 ± 3.49 (18–32) −0.84 0.21
Gestation week 33.01 ± 3.55 (27–40) 33.02 ± 3.25 (27–40) 33.00 ± 3.95 (28–40) 0.03 0.01
  n (%) n (%) n (%) χ 2 Cramer’s V
Education     0.51 0.084
 Basic (9 years) 12 (16.9) 6 (14.3) 6 (20.7)   
 Secondary (12 years) 26 (36.6) 16 (38.1) 10 (34.5)   
 University 33 (46.5) 20 (47.6) 13 (44.8)   
Parity     0.12 0.040
 Nulliparous 36 (50. 7) 22 (52.4) 14 (48.3)   
 Parous 35 (49.3) 20 (47.6) 15 (51.7)   
  1. No statistically significant differences were found between the two groups in any of the reported variables; BMI pre-pregnancy was kg/m2;