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Confident Moves Intervention Efficacy Trial: Obesity Care Settings
Sponsor: Iowa State University
Summary
The objective of this study is to evaluate the efficacy of the Confident Moves (CM) intervention on device-measured physical activity (PA) and the whole person health index in adults with obesity, compared to standard obesity care alone. Confident Moves (CM) is a web-based physical activity (PA)-promoting research intervention developed by the study team to support adults with obesity. CM is not a medical or clinical treatment; rather, it is designed to promote daily PA through structured, self-paced online learning activities. The intervention has been previously pilot-tested in a feasibility study, which demonstrated its acceptability, safety, and feasibility and informed refinements to study procedures. CM aims to strengthen participants' confidence, knowledge, and behavioral skills related to PA across multiple everyday contexts. The intervention is delivered through a secure, ISU-managed website, with access limited to enrolled participants and authorized research personnel. Only study staff have access to participant data, and data are used solely for research purposes.
Key Details
Gender
All
Age Range
18 Years - 64 Years
Study Type
INTERVENTIONAL
Enrollment
348
Start Date
2026-07
Completion Date
2027-08
Last Updated
2026-06-03
Healthy Volunteers
No
Interventions
Confident Moves (CM) Intervention
Confident Moves (CM) is a web-based physical activity (PA) intervention designed to integrate with obesity care and support daily PA in adults with obesity. A 2025 feasibility trial supported the development of a future randomized controlled trial and identified areas for refinement. Grounded in social cognitive theory, CM targets self-efficacy through structured learning activities such as games, videos, lectures, and self-reflection, incorporating behavior change techniques like goal setting and action planning. The online program includes seven components addressing multiple PA domains and mindfulness, delivered over 4 weeks with flexible access.