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Table 3 Cluster means and effect sizes on validation measures

From: Subtypes of borderline personality disorder patients: a cluster-analytic approach

 

Core BPD (n = 83–125)a

Extravert/externalizing (n = 11–19)a

Schizotypal/paranoid (n = 9–14)a

Total (n = 103–165)a

Cohen’s d

M

SD

M

SD

M

SD

M

SD

1–2

1–3

2–3

PAI-BOR

Total

48.45

9.51

42.95

11.62

43.46

11.74

47.37

10.13

.54

.49

.05

Identity Problems

12.76

3.24

10.53

3.26

11.31

3.30

12.37

3.32

.67

.44

.24

Affective Instability

13.66

2.71

11.79

3.26

12.85

3.95

13.37

2.94

.64

.28

.36

Negative Relationships

12.68

2.95

11.68

3.30

12.00

3.14

12.50

3.01

.33

.23

.10

Self-Harm

9.34

4.25

8.95

4.18

7.31

4.17

9.13

4.25

.09

.48

.39

BSI

Total

1.91

.76

1.49

.89

1.71

.90

1.84

.79

.53

.24

.28

IIP

Total

112.32

39.98

96.35

35.86

110.18

42.07

110.19

39.79

.40

.05

.35

Domineering/Controlling

9.50

5.72

11.00

6.10

8.43

5.24

9.59

5.72

.26

.19

.45

Vindictive/Self-Centered

11.75

5.53

11.68

6.42

13.07

6.16

11.86

5.67

.01

.23

.24

Cold/Distant

13.21

7.41

12.84

7.09

13.21

6.39

13.17

7.24

.05

.00

.05

Socially Inhibited*

16.24

8.45

11.56

6.57

16.21

5.91

15.66

8.16

.57

.00

.57

Overly Accomodating

15.56

7.50

12.26

6.57

15.43

8.93

15.15

7.56

.44

.02

.42

Non-Assertive*

16.36

7.84

10.63

6.18

17.53

8.26

15.76

7.90

.72

.15

.87

Self-Sacrificingb

17.29

6.94

13.95

6.32

16.00

6.66

16.77

6.89

.48

.19

.30

Intrusive/Needy

12.43

5.45

12.42

5.27

10.30

5.32

12.23

5.42

.00

.39

.39

EQ-5D

Total**

.48

.28

.65

.17

.60

.30

.51

.28

.59

.43

.16

EQ-VAS

57.15

19.29

62.12

16.64

70.23

24.61

58.82

19.76

.25

.65

.40

SIPP

Self-Control

2.10

.60

2.29

.66

2.17

.55

2.12

.60

.32

.11

.20

Identity Integration*

1.90

.60

2.42

.65

1.88

.62

1.95

.63

.83

.03

.86

Responsibility

2.60

.57

2.52

.69

2.75

.47

2.60

.57

.13

.26

.39

Relational Capacities

2.29

.64

2.50

.62

2.39

.43

2.32

.63

.34

.16

.18

Social Concordance

2.78

.60

2.72

.66

2.83

.45

2.78

.59

.11

.08

.19

ECR

Anxiety

5.09

1.17

4.67

.96

5.17

.52

5.06

1.21

.38

.07

.45

Avoidance

3.70

1.29

3.77

1.52

3.57

1.44

3.70

1.32

.05

.10

.15

CTQ

Total

54.78

19.09

61.09

22.00

56.22

19.75

55.58

19.36

.33

.07

.25

Emotional Abuseb

14.22

6.02

17.55

6.04

15.22

6.87

14.66

6.12

.54

.16

.38

Emotional Neglect

15.13

5.60

17.45

6.04

16.22

6.00

15.48

5.68

.41

.19

.22

Physical Abuse

7.72

4.61

8.64

5.64

6.89

3.52

7.75

4.62

.20

.18

.37

Physical Neglect

8.90

3.58

9.73

4.10

9.22

3.27

9.02

3.59

.23

.09

.14

Sexual Abuse

8.81

5.55

7.73

5.97

8.67

4.90

8.68

5.50

.20

.03

.17

  1. PAI-BOR Personality Assessment Inventory borderline features scale, BSI Brief Symptom Inventory, EQ-5D EuroQol EQ-5D-3 L, SIPP Severity Indices of Personality Problems, ECR Experiences in Close Relationships questionnaire, CTQ Childhood Trauma Questionnaire
  2. a= n varies due to missing values. Cohen’s d columns show effect sizes between, respectively, clusters 1–2, 1–3, and 2–3. **Significant in (M)ANOVA at p < .05. *Marginally significant in (M)ANOVA with moderate to large ES
  3. bProbable distinguishing based on moderate ES