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Table 2 Internal consistency and cut-off scores in combined ROM reference (n=1294) and patient (n=5269) groups for four generic Routine Outcome Monitoring instruments

From: Reference values for generic instruments used in routine outcome monitoring: the leiden routine outcome monitoring study

 

Number of items

Cronbach’s Alpha

ROC analysis cut-off

Area under the Curve AUC

Sensitivity / specificity

Brief Symptom Inventory (BSI)

     

 Somatization (SOM)

7

0.86

0.23

0.87

0.80

 Obsessive-Compulsive (O-C)

6

0.88

0.69

0.91

0.84

 Interpersonal Sensitivity (I-S)

4

0.83

0.54

0.88

0.81

 Depression (DEP)

6

0.91

0.50

0.93

0.87

 Anxiety (ANX)

6

0.89

0.50

0.92

0.85

 Hostility (HOS)

5

0.86

0.30

0.82

0.75

 Phobic Anxiety (PHOB)

5

0.83

0.25

0.90

0.84

 Paranoid Ideation (PAR)

5

0.84

0.37

0.83

0.76

 Psychoticism (PSY)

5

0.77

0.37

0.92

0.85

 BSI total score*

53

0.97

0.48

0.96

0.90

MASQ-D30

     

 General distress (GD)

10

0.84

19.0

0.96

0.90

 Anhedonic depression (AD)

10

0.92

23.0

0.88

0.80

 Anxious arousal (AA)

10

0.74

18.0

0.99

0.96

Short Form 36 (SF36)*

     

 Physical Functioning

10

0.92

93.5

0.76

0.68

 Role-Physical

4

0.88

82.5

0.82

0.78

 Bodily Pain

2

0.87

83.7

0.72

0.68

 Social Functioning

2

0.85

72.9

0.92

0.79

 Mental Health

5

0.90

63.0

0.95

0.89

 Role-Emotional

3

0.83

79.6

0.88

0.88

 Vitality

4

0.84

52.5

0.92

0.85

 General Health

5

0.84

67.5

0.82

0.76

DAPP-SF:

     

 Submissiveness

8

0.87

2.40

0.76

0.71

 Cognitive Distortion

6

0.84

1.55

0.83

0.76

 Identity Problems

6

0.87

2.08

0.90

0.83

 Affective Lability

8

0.86

2.56

0.85

0.77

 Stimulus Seeking

8

0.81

1.94

0.55

0.54

 Compulsivity

8

0.84

2.69

0.60

0.57

 Restricted Expression

8

0.82

2.75

0.78

0.71

 Callousness

10

0.79

1.65

0.53

0.51

 Oppositionality

9

0.87

2.22

0.79

0.73

 Intimacy Problems

9

0.79

2.18

0.60

0.57

 Rejection

8

0.83

2.36

0.56

0.55

 Anxiousness

6

0.84

2.64

0.85

0.78

 Conduct Problems

7

0.73

1.14

0.57

0.56

 Suspiciousness

7

0.90

1.40

0.78

0.72

 Social Avoidance

6

0.88

2.20

0.80

0.73

 Narcissism

8

0.82

2.20

0.56

0.55

 Insecure Attachment

6

0.89

2.10

0.80

0.74

 Self-Harm

6

0.89

1.08

0.75

0.57

  1. *Higher score corresponds with better functioning.
  2. ROM: Routine outcome monitoring.
  3. MASQ-D30: Mood & Anxiety Symptom Questionnaire 30-item short adaptation; DAPP-SF : Dimensional Assessment of Personality Pathology – short form;
  4. The optimal cut-off derived by the ROC analysis is defined by equal sensitivity and specificity scores.
  5. *The BSI total score comprises 4 additional items next to the subscale items.