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Table 1 Descriptive overview and reliability measures of the ESI-BF (N = 77)

From: Exploring the psychometric properties of the externalizing spectrum inventory-brief form in a Swedish forensic psychiatric inpatient sample

  

Nitems

M

Md

SD

Range

α

ω

M r

Subfactors

 

General Disinhibition

20

25.56

26

14.04

2–60

0.90

0.90

0.31

 

Callous Aggression

19

15.40

13

12.11

0–51

0.87

0.91

0.33

 

Substance Abuse

18

26.25

29

14.48

3–50

0.91

0.91

0.35

Facet

 

Alcohol Problems

9

8.00

5

8.32

0–27

0.92

0.92

0.55

 

Alcohol Use

9

15.00

15

6.45

0–27

0.81

0.81

0.31

 

Alienation

3

4.45

4

2.56

0–9

0.61

0.67

0.35

 

Blame Externalization

4

6.34

7

3.86

0–12

0.85

0.85

0.59

 

Boredom Proneness

4

6.96

8

4.17

0–12

0.88

0.89

0.65

 

(Lack of) Dependability

7

4.82

4

4.29

0–19

0.81

0.83

0.39

 

Destructive Aggression

7

5.03

4

5.25

0–20

0.80

0.80

0.35

 

Drug Problems

11

15.14

15

12.98

0–33

0.96

0.96

0.68

 

Drug Use

6

9.84

12

6.38

0–18

0.88

0.89

0.56

 

(Lack of) Empathy

11

9.62

8

8.16

0–33

0.89

0.89

0.42

 

Excitement Seeking

6

6.25

5

5.35

0–18

0.86

0.86

0.51

 

Fraud

6

3.53

3

4.06

0–17

0.75

0.76

0.35

 

(Lack of) Honesty

5

2.84

2

2.86

0–13

0.73

0.75

0.37

 

Impatient Urgency

5

8.30

9

4.76

0–15

0.88

0.88

0.60

 

Irresponsibility

10

11.05

11

7.73

0–27

0.82

0.82

0.30

 

Marijuana Problems

7

5.84

1

7.22

0–21

0.93

0.94

0.68

 

Marijuana Use

7

11.18

13

8.60

0–21

0.95

0.95

0.74

 

Physical Aggression

8

11.95

12

6.95

0–24

0.85

0.85

0.41

 

(Lack of) Planful control

6

4.96

4

4.22

0–17

0.85

0.85

0.49

 

Problematic Impulsivity

7

11.77

13

6.31

0–21

0.88

0.88

0.51

 

Rebelliousness

6

7.27

7

5.45

0–18

0.86

0.87

0.51

 

Relational Aggression

8

6.16

4

5.95

0–27

0.70

0.83

0.36

 

Theft

8

11.12

11

7.67

0–24

0.88

0.88

0.48

  1. Note. Mr, average inter-item correlation
  2. α, Cronbach’s Alpha
  3. ω, McDonald’s Omega