Weight Loss Clinical Trial
Official title:
Impact of Volunteer Peer-Led Intervention for Weight Control in Primary Care
The specific objective of this research proposal is to determine the short-term efficacy of
a primary care-based weight control intervention in which successful volunteer peers deliver
a group-based program.
The purpose of the study is to conduct a pilot randomized controlled trial (RCT) of a
successful volunteer peer-led weight control program compared to a control condition to
determine intervention efficacy at 3 months. Six peer leaders from 2 primary care clinics
will be recruited and trained to conduct the intervention. Overweight and obese patients
(n=80) will be recruited (randomized by individual) to determine weight loss at 3 months
(primary outcome). The program consists of 12 weekly weight loss sessions led by a
successful volunteer peer leader using an adaptation of the Diabetes Prevention Program to
help participants lose weight.
The intervention will consist of 12 weekly one-hour weight loss sessions led by successful
volunteer peers. The initial weight loss session will be conducted by the peer leaders with
oversight by the PI. This session will serve to introduce the program and give an overview
of program. The remaining sessions, conducted by co-peer leaders, will utilize an adaptation
of the Diabetes Prevention Program. This adaptation allows for use in a group setting and
facilitation by a lay individual.
Control Condition: Participants in the control condition will be given written information
at the baseline visit from the NIH website "Aim for a Healthy Weight" to provide a basic
understanding of weight loss and access to basic online resources. We expect that use of the
website may result in some weight loss. However, similar information-only interventions have
had a very small effect, which is accounted for in the sample size calculation.
;
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
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