Impact of Group Size in Weight Loss Interventions
Phase 4
Completed
- Conditions
- Weight LossObesity
- Interventions
- Behavioral: behavioral weight loss program
- Registration Number
- NCT01165151
- Lead Sponsor
- Florida State University
- Brief Summary
The present study will assess whether the size of treatment groups (groups of 10 vs. 30 participants) affects short- and long-term weight loss. It is hypothesized that participants assigned to a small group will exhibit similar short-term and long-term weight losses (i.e., weight loss at months 6 and 12) as compared to those assigned to a large group.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 70
Inclusion Criteria
- Adults (at least 21 years-old)
- Health insurance coverage with Capital Health Plan (CHP)
- Body mass index BMI between 30-45 kg/m2
Exclusion Criteria
- BMI is less than 30 kg/m2 or greater than 45 kg/m2
- Weight loss > 10 pounds in past 6 months
- Acute or chronic illnesses for which weight loss is contraindicated
- Unwilling or unable to give informed consent
- Unwilling to accept random assignment
- Unwilling or unable to travel to CHP clinic for assessments and groups
- Likely to relocate out of the area in the next 12 months
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Small group behavioral weight loss program 10-member groups Large group behavioral weight loss program 30-member groups
- Primary Outcome Measures
Name Time Method change in weight from baseline to month 12 12 months
- Secondary Outcome Measures
Name Time Method adherence to treatment protocol 12 months number and proportion of treatment sessions attended
Trial Locations
- Locations (1)
Florida State University
🇺🇸Tallahassee, Florida, United States