Study protocol of a factorial trial ECHO: optimizing a group-based school intervention for children with emotional problems

Table 2 SPIRIT table for evaluation of the ECHO study

	Study period
	Enrolment^a	Allocation^b	After school allocation: Assessments and Intervention				Close-out
			Pre-I (T1)	Intervention	Post-I (T2)	Post + 1 yr (T3)
Timepoint	Coh1: Q1 2020	Q1 2020	Coh1: Q1 2020		Coh1: Q2 2020	Coh1: Q2 2021
	Coh2: Q3 2020	Q3 2020	Coh2: Q3 2020		Coh2: Q4 2020	Coh2: Q4 2021
	Coh3: Q1 2021	Q1 2021	Coh3: Q1 2021		Coh3: Q2 2021	Coh3: Q2 2022
	Coh4: Q3 2021	Q3 2021	Coh4: Q3 2021		Coh4: Q4 2021	Coh4: Q4 2022
	Coh5: Q1 2022		Coh5: Q1 2022		Coh5: Q2 2022		Coh 5: Q2 2023
Enrolment
Eligibility screen^c			X
Informed consent	X
Allocation		X
8 interventions				X
Assessments
Primary outcomes (MASC & SMFQ)			X^c		X	X	X
Secondary outcomes except			X		X	X	X
User satisfaction, PIE Stigma evaluation sheet Implementation components					X		X
KIDSCREEN-27, RCADS, attitudes towards EBPs, TWQ, ICS, ILS			X
Sustainability							X

^aEnrollment occurs at the beginning of the semester prior to delivery of the intervention. Each cohort represents a group of children recruited during the semester
^bAllocation (randomization) is conducted at the school-level, therefore allocation reflects when new schools joined the study
^cStudy eligibility for individual children is based on their scores on the MASC and MFQ (primary outcome measures)
Coh cohort, Q quartile

ISSN: 2050-7283