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Table 2 Outcomes of MBT. Linear mixed model (0, 6, 12 and 18 months, REML estimation)

From: Symptom, alexithymia and self-image outcomes of Mentalisation-based treatment for borderline personality disorder: a naturalistic study

Measured Variable

Baseline (Range of N 72–75)

6 months (Range of N 21)

12 months (Range of N 23–31)

18 months (Range of N 22–24)

Regression data

 

M (SD)

M (SD)

M (SD)

M (SD)

t

d

Symptom Questionnaires

 KABOSS-S

86,6 (21,0)

73,1 (27,9)

66,2 (26,0)

54,5 (28,0)

5,10***

0,79

 SCL-90 GSI

1,83 (0,64)

1,47 (0,57)

1,46 (0,69)

1,26 (0,79)

3,88***

0,58

Suicidality

 SUAS-S

40,3 (10,9)

35,1 (15,1)

31,0 (14,4)

25,1 (14,9)

5,58***

0,62

 Alexithymia

 TAS-20 DIF

23,1 (4,84)

22,6 (5,45)

19,2 (6,99)

19,8 (7,03)

3,33**

0,52

 TAS-20 DDF

16,0 (4,66)

14,2 (4,00)

14,8 (4,86)

14,1 (5,44)

2,26*

0,29

 TAS-20 EOT

18,8 (4,97)

16,8 (4,90)

18,4 (5,30)

16,3 (4,85)

2,05*

0,25

Self-image

 SASB Autonomy

28,5 (14,7)

31,0 (16,1)

28,3 (18,2)

34,8 (15,3)

3,00**

0,39

 SASB Self-love

26,6 (14,8)

40,0 (21,1)

36,4 (21,3)

50,9 (21,2)

7,96***

1,00

 SASB Self-hate

55,5 (16,4)

41,4 (21,2)

45,9 (21,5)

32,2 (22,8)

5,39***

0,75

 SASB Self-control

41,7 (20,6)

54,8 (19,2)

54,3 (20,7)

57,8 (18,5)

3,73***

0,54

  1. * = p < .05, ** = p < .01, ***p < .001. M mean, SD standard deviation, t t-value for regression, d Cohen’s d calculated from marginal means. KABOSS-S borderline symptoms, SUAS-S suicidality, SCL-90 general psychiatric symptoms, TAS-20 Alexithymia, DIF “Difficulties Identifying Feelings”, DDF “Difficulties Describing Feelings”, EOT “Externally Oriented Thinking”, SASB Self-image. Self-love is the mean of clusters 2–4; Self-hate the mean of clusters 6–8