FIT sessions description
| FIT phases | Weeks in Treatment | Session 1 | Session 2 |
| Phase 1 | Week 1 | Motivation and CM | Introduction to FLEX Session (optional) |
| Week 2 | Physical Activity Education+CM | Family FLEX Session (optional) | |
| Week 3 | Nutrition Education 1+CM | Family FLEX Session (optional) | |
| Week 4 | Nutrition Education 2+CM | Family FLEX Session (optional) | |
| Week 5 | Self-Monitoring of PA and Nutrition+CM | Family FLEX Session (optional) | |
| Week 6 | Managing Hunger | Family FLEX Session (optional) | |
| Phase 2 | Week 7 | Foundation Module: Managing Hunger | Family FLEX Session (optional) |
| Week 8 | Foundation Module: Managing Cravings | Family FLEX Session (optional) | |
| Week 9 | Foundation Module: Environmental Control of Nutrition and Physical Activity | Family FLEX Session (optional) | |
| Week 10 | Foundational Module: Parenting Session | Family FLEX Session (optional) | |
| Week 11 | Transitional Session: *Functional Analysis | Family FLEX Session (optional) | |
| Week 12 | Functional Analysis | Family FLEX Session (optional) | |
| Phase 3 | Weeks 13–24 (Tailored Activities†) | Planning and Organisation Skills | Phone Check In |
| Week 14 | To Be Determined (TBD) | Phone Check In | |
| Week 15 | TBD | ||
| Week 16 | TBD | Phone Check In | |
| Week 17 | TBD | Phone Check In | |
| Week 18 | TBD | Phone Check In | |
| Week 19 | TBD | Phone Check In | |
| Week 20 | TBD | Phone Check In | |
| Week 21 | TBD | ||
| Week 22 | Maintenance Module Values and Commitment | Phone Check In | |
| Week 23 | Module: Managing Slips with Think Plan | Phone Check In | |
| Week 24 | Module: Termination | Phone Check In |
*As families transition into phase 3, CHWs conduct a functional analyses to determine what factors (e.g., antecedents, behaviours, consequences) that can maintain or undermine healthy lifestyle changes (e.g., decreased sedentary behaviour, increased physical activity) achieved during FIT.
†Tailored activities: Based on the results of the functional analysis, the following modules represent activities that may be selected during weeks 13–24 based on a family’s needs including Planning and Organisation Skill; Managing Thoughts (Teen or Caregiver); Managing Emotional Eating and Refusal Skills.
CHWs, community health workers; CM, contingency management; FIT, FIT Families.