‘Boost Camp’, a universal school-based transdiagnostic prevention program targeting adolescent emotion regulation; evaluating the effectiveness by a clustered RCT: a protocol paper

Table 1 An overview of measurements and time points

Concept	Measurement (items)	Measurement in time points
Concept	Measurement (items)	T0	T1	T2	T3
Primary outcome measure
ER
Emotional awareness	DERS	x	x	x	x
ER strategies	FEEL-KJ	x		x	x
Emotional wellbeing
Positive and negative affect	PANAS-C	x	x	x	x
Self-esteem	CBSA	x	x	x	x
Quality of Life	HRQoL	x		x	x
Depressive symptoms	CDI	x	x	x	x
Depressive symptoms	CES-D	x	x	x	x
Anxiety symptoms	STAI-C	x	x	x	x
Secondary outcome measure
Social behavior
Attitudes about stigmatization	SSRPH	x	x	x	x
Relationship with peers and bullying	OBVQ	x	x	x	x
Academic Performance
School achievement	ARSP	x			x
	Self-report question	x			x
	School Orientation Attest				x
School drop-out	School data				x
School absence	School data				x
Moderators
Initial psychological problems	CBCL	x			x
Executive functioning	BRIEF	x			x
Gender	Self-report question	x

Note: FEEL-KJ = the Fragebogen zur Erhebung der Emotionsregulation bei Kindern und Jugendlichen [22], DERS = Difficulties in Emotion Regulation Scale [62], PANAS = Positive And Negative Affect Schedule for Children [88], CDI = Children’s Depression Inventory [85], CES-D = Center for Epidemiological Studies Depression Scale [109], STAI-C = State-Trate Anxiety Inventory for Children [7], CBSA = Competence Belief Scale for Adolescents [139], HRQoL = KIDSCREEN-10 well-being and health-related quality of life [112], CBCL = Child Behavior CheckList [141], OBVQ = Olweus Bully/Victim Questionnaire [91], SSRPH = Stigma Scale for Receiving Psychological Help [106], ARSP = Academic Performance Rating Scale [50], BRIEF = Behavior Rating Inventory for Executive Function [60] T0 = Baseline assessment, T1 = Post-test, T2 = 3 months follow-up, T3 = 6 months follow-up

ISSN: 1471-2458