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Comparing Synchronous and Asynchronous Remotely Delivered Lifestyle Interventions: Protocol for a Randomized
Sherry Pagoto1, Ran Xu1, Richard Bannor1
1Department of Allied Health Sciences, University of Connecticut, Storrs, CT, United States.
JMIR Research Protocols
|December 19, 2024
Summary
Asynchronous remote lifestyle interventions show promise for weight loss maintenance, offering comparable efficacy to synchronous methods at a lower cost. This approach may enhance long-term engagement and sustainability for participants.
Area of Science:
- Health Sciences
- Behavioral Science
- Public Health
Background:
- Remotely delivered lifestyle interventions enhance accessibility compared to traditional in-person programs.
- Asynchronous interventions, delivered via online platforms, offer flexibility and convenience, potentially improving sustainability.
- Evidence is needed to support the efficacy and long-term benefits of asynchronous remote interventions for weight management.
Purpose of the Study:
- To compare the efficacy and cost-effectiveness of synchronous versus asynchronous remotely delivered lifestyle interventions.
- To test the hypothesis that asynchronous interventions are noninferior to synchronous interventions in terms of weight loss.
- To evaluate long-term engagement and weight loss maintenance in asynchronous interventions.
Main Methods:
- A randomized noninferiority trial involving 328 participants with overweight or obesity.
- Interventions delivered synchronously via videoconference or asynchronously via private Facebook groups, based on the Diabetes Prevention Program.
- Primary outcome: mean percent weight loss at 6 and 12 months; secondary outcomes: engagement, cost, and weight loss at 18 and 24 months.
Main Results:
- Participant recruitment is scheduled to begin in December 2024, with the intervention starting in February 2024.
- The study is approved and funded, with data collection planned over a 24-month period.
- Analysis will focus on comparing weight loss, engagement, and cost between synchronous and asynchronous delivery methods.
Conclusions:
- Asynchronous remote interventions may be as effective as synchronous ones for weight loss.
- Asynchronous interventions could offer greater sustainability and long-term weight loss maintenance.
- This approach may reduce delivery costs per pound lost, enhancing scalability.
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