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Table 2 Descriptive statistics (percentages of categorical variables, means and standard deviations of continuous variables) for the overall sample and the three subgroups

From: Using the biopsychosocial model for identifying subgroups of detained juveniles at different risk of re-offending in practice: a latent class regression analysis approach

 

‘Low risk – psychopathic traits’

(N = 37) class 3

‘Medium risk—adverse environment’

(N = 141) class 1

‘High risk—externalizing’

(N = 45) class 2

Overall sample

(N = 223)

%

 

%

 

%

 

%

 

Etnicity

 Dutch

27.7

 

22.2

 

48.6

 

30

 

 Western

3.5

 

2.2

 

5.4

 

3.6

 

 Non-western

68.8

 

75.6

 

45.9

 

66.4

 

Socioeconomic status

 Low

31.2

 

33.3

 

10.8

 

28.3

 

 Middle

66.7

 

64.4

 

67.6

 

66.4

 

 High

2.1

 

2.2

 

21.6

 

5.4

 

Criminal friends

 Yes

71.6

 

88.9

 

56.8

 

72.6

 

 No

28.4

 

11.1

 

43.2

 

27.4

 

Substance use

 Non-user

14.2

 

0.0

 

21.6

 

12.6

 

 Recreational user

18.4

 

17.8

 

0.0

 

15.2

 

 Multiple user 1

substance

28.4

 

73.3

 

40.5

 

39.5

 

 Multiple user > 1

substance

39.0

 

8.9

 

37.8

 

32.7

 
 

M

SD

M

SD

M

SD

M

SD

Age

18.66

1.70

18.13

1.38

18.29

2.13

18.49

1.73

PT Interpersonal dimension

10.11

3.76

10.40

2.72

12.76

3.95

10.61

3.72

PT Affective dimension

10.36

3.18

8.93

2.53

12.16

3.70

10.37

3.29

PT Behavior dimension

12.52

3.44

11.22

2.91

12.54

3.40

12.26

3.36

Internalizing problems

1.27

1.60

0.96

1.54

1.35

1.93

1.22

1.64

Externalizing problems

2.03

1.95

2.82

2.08

4.03

2.65

2.52

2.22

Attention problems

3.45

2.40

3.38

2.44

3.14

1.99

3.39

2.33

Treatment motivation

26.77

6.79

26.82

6.33

21.05

4.47

25.83

6.70

Trauma

39.04

7.45

43.71

14.05

48.54

15.46

41.56

11.23

HR rest

70.85

9.44

74.38

12.63

71.36

11.62

71.65

10.57

PEP rest

97.57

19.62

97.35

19.14

101.22

20.66

98.13

19.66

Lg RSA rest

1.85

0.24

1.81

0.27

1.85

0.19

1.84

.235

HR reactivity

− 2.93

2.40

− 3.41

2.80

− 2.64

2.92

− 2.98

2.57

PEP reactivity

0.41

2.75

− 0.16

2.52

− 0.39

3.59

.162

2.87

RSA reactivity

− 5.44

21.63

3.13

18.87

− 9.92

22.46

− 4.46

21.55

Cortisol

9.94

3.57

9.73

2.47

8.82

2.69

9.71

3.25

Testosterone

289.65

77.08

271.56

63.22

281.03

80.14

284.57

75.06

  1. PT psychopathic traits, HR heart rate, PEP pre-ejection period, Lg transformed logarithmically, RSA respiratory sinus arrhythmia
  2. NB: The descriptives in Table 2 show the mean differences in the sample. Due to sample fluctuations these differences may not be reliable for the population. In order to interpret relevant differences at population level we focused on the differences that had a standardized score of 1.8 (see Fig. 2)