| Study period | |||||
---|---|---|---|---|---|---|
Enrollment | Allocation | Post-allocation | ||||
Time point | Â | 0 | 6 | 12 | 18 | 24 |
Enrollment | ||||||
 Eligibility screen | • |  |  |  |  |  |
 Informed consent | • |  |  |  |  |  |
 Allocation |  | • |  |  |  |  |
Interventions | ||||||
 SMART 2.0 with technology alone (IG1) |  | → | → | → | → | → |
 SMART 2.0 with technology and health coaching (IG2) |  | → | → | → | → | → |
 Control group |  | → | → | → | → | → |
Measures | ||||||
 Anthropometrics and physiological outcomes: weight, height, BMI, waist and hip circumference, blood pressure, and heart rate |  | • | • | • | • | • |
 Body composition: DXA |  | • | • | • | • | • |
 Bone density: DXA |  | • |  | • |  | • |
 Cardiovascular fitness, flexibility, and grip strength |  | • | • | • | • | • |
 Physical activity: actigraph |  | • |  | • |  | • |
 Physical activity and sleep: Fitbit activity tracker |  | → | → | → | → | → |
 Questionnaires: GPAQ, PANES, SIT-Q-7d, PASSS, DHQ-III, Social Support for Diet, strategies for weight management, CES-D, STAI, Rosenberg Self-Esteem Scale, and Quality of Wellbeing Scale |  | • | • | • | • | • |
 Engagement |  | → | → | → | → | → |
 Usability and acceptability |  |  |  |  |  | • |