Pilot study components. a-eligibility and consent, b-baseline interview, diagnosis and demographics, c-physical measurements (height, weight, body fat percent), d-blood draw, e-Beck Depression Inventory (BDI II), f-Behavioural Activation for Depression Scale (BADS), g-Quality of life scales (SF-12, WSAS, and Q-LES-Q-SF), h-Leisure Motivation Scale (LMS), i-assumptions of risks, j-Physical Activity Readiness Questionnaire (PAR-Q), k- Activity tracking form, l- EQ-5D-5L a standardized instrument to measure health outcomes, m-qualitative individual interviews, n-focus group. S1-behavioural activation for depression, S2-values assessment, S3-goal setting, S4-Breaking it down, S5-avoidance and depression, S6- rumination, S7-ruminations II, S8-relationships, S9-involving others and social skills, S10-asseriveness and communication skills, S11-assetiveness and relaxation strategies, S12-leisure education, S13-problem solving, S14-team building and cooperative games, S15-nutrition and laughter yoga, S16- mindfullness and planning of group outing, S17-understanding sleep, S18-group outing, S19-getting back to work and volunteering, S20-S23 and S25-27 relapse prevention and troubleshooting, S24-booster group/adventure based day trip, S28-booster session and end of study. The qualitative components (l and m) are delivered in the pilot phase only. Adapted from Perera et al.