Table 1 Overview of Intervention Condition
Large Changes (LC) | Small Changes (SC) | Self-guided (C) | |
|---|---|---|---|
Contact Schedule | Weekly group sessions weeks 1–8; monthly in weeks 9–16; two 4-week online refresher campaigns and remote reporting of weight in months 5–24 | Weekly group sessions weeks 1–8; monthly in weeks 9–16; two 4-week online refresher campaigns and remote reporting of weight in months 5–24 | A single group session in week 1; received an overview of both approaches and told to pick and follow the one best suited to them |
Intervention Framework | Self-regulation; emphasized daily self-weighing to detect small changes in weight and take corrective action as needed | Self-regulation; emphasized daily self-weighing to detect small changes in weight and take corrective action as needed | Self-regulation; emphasized daily self-weighing to detect small changes in weight and take corrective action as needed |
High-risk dietary behaviors targeted | Saturated fat; fast food; sugared beverages; alcohol; breakfast | Saturated fat; fast food; sugared beverages; alcohol; breakfast | N/A |
Specific strategies to prevent weight gaina | Create a weight loss buffer during initial 8 weeks (5-10lbs) by reducing calories by 500–1000 and increasing moderate to vigorous activity to > 250 min / wk | Reduce energy intake by ~ 100 kcal / day and increase steps by 2000 / day for entire trial | N/A |