Table 1 Demographic characteristics of participants by group.

From: Early maternal relational traumatic experiences and psychopathological symptoms: a longitudinal study on mother-infant and father-infant interactions

Group

N

Sex of the child

Mean age ± SD

Mothers (years)

Fathers (years)

Infants at T1 (months)

Infants at T2 (months)

A

39

18 M, 21 F

32.8 ± 2.2

36.4 ± 2.1

3.2 ± 0.2

6.3 ± 0.6

B

42

20 M, 22 F

33.4 ± 2.5

36.1 ± 1.7

3.3 ± 0.3

6.5 ± 1.0

C

55

23 M, 22 F

31.4 ± 2.2

39.2 ± 2.4

3.1 ± 0.4

6.2 ± 0.6

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