Table 3 Data sources and measures*

Primary outcome and endpoint

Total number of sessions of CBT delivered over the course of 18 months

Weekly, months 1–18 (no collection during summer months)

SP weekly survey

Secondary outcomes

Full sessions of CBT delivered; non-group CBT sessions delivered; brief sessions (< 15 min) of CBT delivered; CBT components delivered

Weekly, months 1–18 (no collection during summer months)

SP weekly survey

Exploratory outcomes

Student mental health outcomes (PHQ-9T; GAD-7)

Months 3, 6, 12, and18

Student survey administered by SP

Student knowledge of CBT; reported CBT receipt

Months 3, 6, 12, and 18

Student survey administered by SP

Exploratory aim 1: cost effectiveness

Cost of REP, coaching, and facilitation

Weekly, months 1–15; Daily during 2-week time and motion survey

Coach and facilitator logs; REP TA database; SP time and motion survey

School outcomes (attendance, graduation, GPA); Health services (referrals to care; emergency department admissions)

Student baseline, 6, 12, and 18 months

Student survey administered by SP; academic indicators survey

Exploratory aim 2: moderators

School factors: size, % of students eligible for free/reduced lunch; school administrator support

Baseline

School administrator survey

SP factors (aggregated): Baseline (run-in): Perceptions of CBT, prior training; time-varying (phase 2): Satisfaction with Phase 1 implementation support, CBT delivery during phase 1, reported barriers to CBT

Baseline, weekly

SP weekly survey; SP survey

Exploratory aim 3: mechanisms

Knowledge, perception, skills, barriers to use; EBPAS, ICS, ILS

Baseline, months 3, 6, 12, and 18

SP survey

School contextual factors; ILS

Baseline, month 18

School administrator survey

Covariates

Student demographics/behaviors; access to mental health services

Months 3, 6, 12, and 18

Student survey administered by SP

School factors (attendance, graduation, rates, GPA)

Baseline, month 18

School administrator survey, Academic indicator assessment