Table 1 Descriptive statistics of PRFQ subscales and adapted mind-mindedness indices by group

Parental reflective functioning

 PRFQ_PM

1.97 (0.87)

[1.00, 6.00]

2.33 (0.93)

[1.00, 6.00]

1.82 (0.70)

[1.00, 4.67]

1.47 (0.50)

[1.00, 3.00]

 PRFQ_CMS

3.47 (1.07)

[1.00, 6.50]

3.29 (1.06)

[1.17, 6.50]

3.54 (1.00)

[1.00, 5.67]

3.73 (1.09)

[1.50, 6.17]

 PRFQ_IC^a

5.69 (0.84)

[1.33, 7.00]

5.53 (0.88)

[1.33, 7.00]

5.77 (0.79)

[3.67, 7.00]

5.90 (0.75)

[3.17, 7.00]

 PRFQ_CMS−T

1.14 (1.41)

[0.00, 9.19]

1.15 (1.41)

[0.00, 9.19]

0.99 (1.34)

[0.00, 6.09]

1.23 (1.45)

[0.00, 7.28]

 PRFQ_IC−T^a

0.70 (1.38)

[0.00, 19.00]

0.79 (1.77)

[0.00, 19.00]

0.62 (0.81)

[0.00, 4.09]

0.60 (0.84)

[0.00, 6.36]

Adapted mind-mindedness (relative)^b

 MM

2.79 (1.11)

[0.38, 8.79]

2.85 (1.09)

[0.38, 5.71]

2.84 (1.36)

[0.90, 8.79]

2.67 (0.95)

[0.52, 5.99]

 MM_self

0.72 (0.81)

[0, 4.59]

0.83 (0.85)

[0, 4.59]

0.75 (0.913)

[0, 4.53]

0.50 (0.58)

[0, 3.25]

 MM_child

2.08 (0.99)

[0, 5.86]

2.01 (1.02)

[0, 5.36]

2.09 (1.10)

[0.19, 5.86]

2.18 (0.85)

[0.52, 4.95]

 MM_nk

9.30 (11.11)

[0, 100]

9.03 (12.30)

[0, 100]

7.73 (8.70)

[0, 37.50]

10.9 (10.50)

[0, 46.20]

 MM_pos

14.50 (12.00)

[0, 62.50]

14.80 (12.50)

[0, 60.00]

13.40 (12.00)

[0, 62.50]

15.00 (11.00)

[0, 47.40]

 MM_neg

5.22 (9.17)

[0, 50.00]

7.70 (10.40)

[0, 50.00]

4.37 (9.62)

[0, 42.90]

1.57 (3.83)

[0, 28.60]

 MM_neutral

80.10 (14.50)

[26.90, 100]

77.40 (16.00)

[26.90, 100]

82.30 (13.30)

[37.50, 100]

83.40 (11.30)

[52.60, 100]

Adapted mind-mindedness (frequency)

 MM_nr

16.80 (6.43)

[2.00, 36.00]

16.30 (6.14)

[2.00, 36.00]

16.70 (6.74)

[4.00, 34.00]

17.80 (6.66)

[3.00, 35.00]

 MM_{self_nr}

4.31 (4.56)

[0, 22.00]

4.81 (4.78)

[0, 19.00]

4.31 (4.79)

[0, 22.00]

3.45 (3.89)

[0, 19.00]

 MM_{child_nr}

12.50 (5.63)

[0, 27.00]

11.40 (5.23)

[0, 27.00]

12.40 (5.88)

[1.00, 27.00]

14.40 (5.68)

[3.00, 27.00]

 MM_{nk_nr}

1.53 (1.95)

[0, 18.00]

1.49 (2.14)

[0, 18.00]

1.22 (1.26)

[0, 4.00]

1.84 (1.99)

[0, 12.00]

 MM_{pos_nr}

2.39 (2.06)

[0, 14.00]

2.36 (2.09)

[0, 11.00]

2.03 (1.45)

[0, 6.00]

2.70 (2.32)

[0, 14.00]

 MM_{neg_nr}

0.92 (1.81)

[0, 13.00]

1.38 (2.13)

[0, 13.00]

0.72 (1.87)

[0, 13.00]

0.26 (0.51)

[0, 2.00]

 MM_{neutral_nr}

13.50 (5.56)

[2.00, 29.00]

12.60 (5.05)

[2.00, 24.00]

13.90 (5.93)

[2.00, 26.00]

14.80 (5.89)

[3.00, 29.00]