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Table 4 Difference in mean STIPO ratings by negative/ probably and definite PD (IPDE)

From: Assessment of personality disorders in adolescents – a clinical validity and utility study of the structured interview of personality organization (STIPO)

STIPO dimension

Mean (SD)

Test statistic

Effect size

No IPDE diagnosis

(n = 30)

IPDE diagnosis present

(n = 141)

t (169)

p

Cohen’s d

Identity

1.43 (0.50)

3.57 (0.65)

17.062

< 0.001

3.43

Object relation

1.33 (0.55)

3.23 (0.70)

13.920

< 0.001

2.80

Primitive defenses

1.50 (0.63)

3.48 (0.64)

15.412

< 0.001

3.10

Coping rigidity

1.40 (0.56)

3.57 (0.70)

15.887

< 0.001

3.19

Self-directed aggression

1.60 (0.97)

3.91 (1.08)

10.797

< 0.001

2.17

Other-directed aggression

1.17 (0.46)

2.33 (0.93)

6.680

< 0.001

1.34

Moral values

1.23 (0.63)

2.39 (0.84)

7.167

< 0.001

1.44

Reality testing

1.13 (0.35)

2.53 (0.75)

9.951

< 0.001

2.00

Narcissism

1.20 (0.41)

2.90 (0.71)

12.504

< 0.001

2.63

Level of personality organization

0.70 (0.84)

3.53 (0.65)

20.585

< 0.001

4.13

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Child and Adolescent Psychiatry and Mental Health

ISSN: 1753-2000