Study recruitment and intervention schedule (Standard Protocol Items: Recommendations for Interventional Trials 2013 guidelines)
| TIME POINT | Study duration | ||||
| Recruitment | Baseline | 6 months | 12 months | 18 months | |
| t0 | t1 | t2 | t3 | t4 | |
| RECRUITMENT | |||||
| Screening | X | ||||
| Informed consent | X | ||||
| Randomisation and allocation | X | ||||
| INTERVENTION | |||||
| Fitbit device training | X | ||||
| Intake24 (food diary) training | X | ||||
| Toolkit training (after randomisation) | X | ||||
| Arms 2–4 active intervention | ♦———————♦ | ||||
| Arms 2–4 follow-up | ♦——————————————————♦ | ||||
| Arm 1 (control) intervention | ♦——————————————————————————♦ | ||||