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Table 2 Comparison of PQ-16 and syndrome scales of CBCL and YSR with negative or positive CAARMS outcomes (no classification versus UHR or PT)

From: Improving screening methods for psychosis in an adolescent help-seeking population using the Child Behavior Checklist (CBCL) and the Youth Self Report (YSR) versus the Prodromal Questionnaire -16 items version (PQ-16)

CBCL

CAARMS negative (N = 150)

CAARMS positive (N = 120)

   
 

M

SD

M

SD

t (df = 1)

p

d

Anxious/depressed

66.4

10.7

70.0

11.1

 − 2.71

.007

0.33

Withdrawn/depressed

69.3

11.0

73.3

10.4

−3.03

.003

0.37

Somatic Problems

64.3

9.3

70.2

9.9

−5.08

 < .001

0.62*

Social Problems

62.9

9.2

64.0

8.6

−0.93

.356

0.11

Thought Problems

65.5

8.4

71.2

6.1

−6.33

 < .001

0.75*

Attention Problems

65.5

9.7

64.6

9.7

0.73

.463

0.09

Rule − breaking Behavior

59.6

7.8

59.1

8.0

0.50

.617

0.06

Aggression

61.7

10.2

60.4

9.4

1.12

.263

0.14

YSR

CAARMS negative (N = 150)

CAARMS positive (N = 120)

   
 

M

SD

M

SD

t (df = 1)

p

d

Anxious/depressed

66.5

12.1

73.8

12.0

−4.95

 < .001

0.61*

Withdrawn/depressed

66.8

12.1

73.0

11.5

−4.31

 < .001

0.53*

Somatic Problems

62.4

8.6

67.6

9.8

−4.63

 < .001

0.57*

Social Problems

62.9

8.3

66.4

7.9

−3.48

 < .001

0.43

Thought Problems

61.6

8.1

69.2

8.8

−7.41

 < .001

0.91*

Attention Problems

66.0

11.1

68.3

10.4

−1.74

.082

0.21

Rule − breaking Behavior

57.5

6.6

58.9

6.5

−1.79

.075

0.22

Aggression

58.1

8.2

58.0

7.2

0.15

.880

0.02

PQ − 16

CAARMS negative (N = 150)

CAARMS positive (N = 120)

   
 

M

SD

M

SD

t (df = 1)

P

d

Total score

7.26

3.2

9.83

3.2

− 6.56

 < .001

0.80*

  1. *These scales were entered as independent variables in the logistic regression analysis