A multimodal day treatment program for multi-problem young adults: study protocol for a randomized controlled trial

Table 1 Concepts, instruments and sources at the different assessment points

Outcomes	Concept	Instrument	Assessment point						Source
Outcomes	Concept	Instrument	T0	T1	T2	T3	Ts	Te	Y	P	F	R
Primary	Recidivism	Judicial record									x
		SRD	x		x	x			x
	Self-sufficiency	SSM-D	x	x	x	x	x					x
Secondary	Quality of life	MANSA	x	x	x	x			x
	School/work	Registration system			x	x					x
	Psychopathology	ASR	x		x	x			x
	Cognitive distortions	HIT	x	x	x	x			x
	Substance use	MATE	x		x	x			x
Moderators (participant characteristics)	Demographic factors	Demographic questionnaire	x	x	x	x			x
	Intelligence	WAIS-III SF		x					x
		SCIL	x						x
	Criminal history	SRD	x						x
		Judicial record									x
	Motivation	VMB^a		x	x				x
Moderators (treatment characteristics)	Group climate	GCI^a		x	x				x
	Therapeutic alliance	WAV^a		x	x			x	x	x^b
	General program characteristics	Registration systems (e.g., RMW)									x
Program integrity DNK	Program integrity	Self-developed questionnaire						x	x	x
	Characteristics and experiences staff	Self-developed questionnaire^c								x
Cost-effectiveness	Costs	Cost questionnaire				x			x

T0 baseline measurement; T1 follow-up at 2 months after start intervention (adherence) or 4 months after T0 (nonadherence); T2 follow-up at 8 months after T0; T3 follow-up at 14 months after T0; Ts measurement of SSM-D at start intervention; Te measurement of program integrity and WAV at the end of intervention (only in the experimental group). Y young adult, P professional, F files/register information, R researcher. ASR Adult Self-report, DNK De Nieuwe Kans, HIT How I Think questionnaire, GCI Group Climate Inventory, MANSA Manchester Short Assessment of Quality of Life, MATE Measurements in the Addictions for Triage and Evaluation, SCIL Screener voor intelligentie en licht verstandelijke beperking, SRD Self-report Delinquency Scale, SSM-D Self-Sufficiency Matrix – Dutch version, VMB Motivation for Treatment Questionnaire–Short Form, WAIS-III SF Wechsler Adult Intelligence Scale - Short Form (third version), WAV Werk Alliantie Vragenlijst
^aThese questionnaires are only filled out when the respondent follows the program or has just finished it. ^bDNK professionals only fill out the WAV at Te. ^cThis questionnaire will be filled in twice a year for a total of 4 times

ISSN: 1745-6215