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Table 1 Overview of CARR measures and timepoints of measurement

From: The connecting adolescents to reduce relapse (CARR) trial: study protocol for a randomized controlled trial comparing the efficacy of Groups 4 Health and cognitive behaviour therapy in young people

Construct Measure T0
Baseline 		T1
After session 1 		T2
After session 2 		T3
After session 3 		T4
After session 4 		T5
Post-treatment 		T6
6-month follow up 		T7
12-month follow up
Primary outcomes Depression (DASS-21) • • • • • • • •
Depression (PHQ-9) •      • • •
Loneliness (4 item) • • • • • • • •
Loneliness (20 item) •      • • •
Secondary outcomes Social anxiety •      • • •
GP attendance (last month) •      • • •
Wellbeing •      • • •
Life satisfaction •      • • •
Self esteem •      • • •
Subjective physical health •      • • •
Process measures Multiple group membership •      • • •
Multiple group compatibility •      • • •
Mental illness identity •      • • •
Group cohesion       •   
Therapy group identification   • • • • •   
Service identification       •   
Acceptability/feasibility Useful   • • • • • • •
Enjoyed       • • •
Interesting       • • •
Learnt something       • • •
Homework completion   • • • • •   
Facilitator questionnaire   • • • • •   
Attendance   • • • • •   
  1. Notes: DASS21 Depression Anxiety Stress Scales (21 item)
  2. PHQ-9 Patient Health Questionnaire (9 item).
  3. GP General Practitioner
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BMC Public Health

ISSN: 1471-2458

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