Obesity & Overweight, Weight Loss, Weight Regain
Conditions
Brief summary
The purpose of this study is to develop and test an adaptive, individually tailored intervention to prevent weight regain in people who have intentionally lost weight. The main questions it aims to answer are: * Is an adaptive intervention with tailored re-engagement support feasible for individuals following intentional weight loss? * Does this intervention prevent weight regain after intentional weight loss? Participants will: * Complete a baseline assessment of body measurements * Complete surveys on dietary intake, mental health, and physical activity Participants will also engage in a 26-week program, which involves: * Receive regular educational texts/emails * Fill out weekly online survey check-ins * Weigh themselves at least weekly on a scale provided by the study * Some participants may receive health coaching during portions of the study. * Assessments will be repeated for all participants at the end of the intervention period.
Interventions
Adaptive intervention that will tailor participant re-engagement with professional support (e.g. health coaches) based on behavioral triggers and anthropometric monitoring (diet changes, weight increase, failure to weigh weekly).
Sponsors
Study design
Eligibility
Inclusion criteria
* BMI of ≥ 27 prior to weight loss * Lost ≥ 7% of body mass in the past 6 months * Weight loss was intentional * No plans for weight loss surgery in the next 6 months * Access to a smart device that can download applications and receive text messages * Able to receive clearance for study participation from primary care provider
Exclusion criteria
* Pregnant or within 12 months postpartum, or planning pregnancy * Uncontrolled conditions that affect overall health (cardiovascular, metabolic, renal, pulmonary, psychiatric, thyroid, cancers) * Food insecure * Bariatric surgery or cancer treatment within the past 5 years * Active or recent (\<12 months) treatment/diagnosis of an eating disorder
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Feasibility - Participant Retention | From enrollment to the end of the 26-week monitoring period | Number of participants who continue to participate for all 26 weeks of the study and complete all study activities |
| Feasibility - Participant Adherence | From enrollment to the end of the 26-week monitoring period | Number of participants who complete all study activities, including weekly weigh-ins, weekly surveys, and pre/post study visits. |
| Efficacy - Participant Weight | From enrollment to the end of the 26-week monitoring period | — |
| Efficacy - Participant Dietary Intake | From enrollment to the end of the 26-week monitoring period | Dietary and nutritional data collected via self-report using the ASA24 (Automated Self-Administered 24-Hour Dietary Assessment Tool). This includes calories, protein, fats, and other nutrition information based on participant self-report of meals. |
| Efficacy - Eating Self-Efficacy in High-Risk Situations | From enrollment to the end of the 26-week monitoring period | Eating self-efficacy in high-risk situations will be measured pre- \& post-intervention using the Weight Efficacy Lifestyle Questionnaire. |
| Efficacy - Eating Behavior Patterns | From enrollment to the end of the 26-week monitoring period | Eating behavior patterns will be measured pre- \& post-intervention using the Three-Factor Eating Questionnaire. |
| Efficacy - Sleep/Rest Duration | From enrollment to the end of the 26-week monitoring period | Sleep/rest duration will be measured in hours/day using the activPAL accelerometer, a thigh-worn device that objectively measures posture and movement. Participants will wear the device continuously for 7 consecutive days. |
| Efficacy - Daily Step Count | From enrollment to the end of the 26-week monitoring period | Daily step count will be measured using the activPAL accelerometer, a thigh-worn device that objectively measures posture and movement. Participants will wear the device continuously for 7 consecutive days. |
| Efficacy - Sedentary Behavior (Sitting/Lying Time) | From enrollment to the end of the 26-week monitoring period | Sedentary behavior will be measured in hours/day using the activPAL accelerometer, a thigh-worn device that objectively measures posture and movement. Participants will wear the device continuously for 7 consecutive days. |
| Efficacy - Standing Time | From enrollment to the end of the 26-week monitoring period | Standing time will be measured in hours/day using the activPAL accelerometer, a thigh-worn device that objectively measures posture and movement. Participants will wear the device continuously for 7 consecutive days. |
Countries
United States