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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.