Attendance, fidelity, and competency
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We measured attendance of adolescents and caregivers at EASE and ETAU sessions. We considered EASE participants to be ‘treatment completers’ if adolescents attended five or more sessions of EASE. To evaluate treatment fidelity, facilitator pairs completed a session checklist at each session. We aimed to conduct observations of a sample of 10% of both ETAU and EASE sessions by trained staff members using structured checklists to score which components of each intervention session were delivered by the facilitator. In each observation of EASE sessions, intervention-specific competencies were assessed through rating the quality of delivery of each component, and core competencies were assessed through rating on four standardized items inspired by existing tools [