Design of an RCT on cost-effectiveness of group schema therapy versus individual schema therapy for patients with Cluster-C personality disorder: the QUEST-CLC study protocol

Table 1 Overview of measures and assessment times

	Screening	Baseline	Pre-treatment	Mid-treatment	Post-treatment	Post-Booster	1 year Follow-up
SCID-5-S, SCID-5-P	•
Screenings interview	•
Biographical interview		•
Demographics		•
Severity index: AVPDSI/DPDSI/OCPDSI		•	•	•	•	•	•
Cost interview		•	•	•	•	•	•
PDBQ-69		•	•	•	•	•	•
RSES		•	•	•	•	•	•
MSGO		•	•	•	•	•	•
WHODAS 2.0		•	•	•	•	•	•
BSI		•	•	•	•	•	•
EQ-5D-5L & MHQoL-7D		•	•	•	•	•	•
Happiness Question		•	•	•	•	•	•
SMI-2		•	•	•	•	•	•
YSQ-SR		•	•	•	•	•	•
SLEEP-50		•	•	•	•	•	•
Introversion inventory		•	•	•	•	•	•
AQ-10		•
CTQ-SF		•
NLV		•

AVPDSI Avoidant Personality Disorder Severity Index, AQ-10 Autism Spectrum Quotient, 10 items, BSI Brief Symptom Inventory, CTQ-SF Childhood Trauma Questionnaire, DPDSI Dependent Personality Disorder Severity Index, EQ-5D-5L European Quality of Life, MHQoL-7D Mental Health Quality of Life seven dimensional questionnaire, MSGO Miskimins Self-Goal-Other Discrepancy, NLV National Adults Reading Test, OCPDSI Obsessive Compulsive Personality Disorder Severity Index, PDBQ Personality Disorder Belief Questionnaire, RSES Rosenberg’s Self-Esteem Scale, SCID Structured Clinical Interview for the DSM, SMI Schema Mode Inventory, YSQ-SR Young Schema Questionnaire, WHODAS 2.0 WHO Disability Assessment Schedule

ISSN: 1471-244X