BRIDGE & Friends Trial

Purpose

Aim 1. Conduct a 6-month (24-session) RCT comparing MedDiet-WL to MedDiet-SN among 268 older adults with obesity (50-79 years, BMI = 30-50 kg/m²). We hypothesize that 1) Participants in MedDiet-SN will show improvements in bodyweight/BMI and body fat compared to MedDiet-WL at post-intervention (6-months), 2) Participants in MedDiet-SN will show improvements in diet (diet quality) and physical activity (step counts) compared to MedDiet-WL at post-intervention (6-months), and 3) Participants in MedDiet-SN will maintain these improvements at 12-months. Aim 2. Characterize and compare differences in weight management information dissemination by 268 randomized to MedDiet-WL and MedDiet-SN. We hypothesize that MedDiet-SN participants will share information to more network members compared to participants in MedDiet-WL. Aim 3. Compare MedDiet-SN and MedDiet-WL in 268 network members. We hypothesize that MedDiet-SN network members will show, greater improvements in BMI, body fat, diet, and physical activity than MedDiet-WL network members at 6 months. We will explore how effects may vary by network (e.g., density, relationships), and messaging characteristics (e.g., modality).

Condition

  • Obesity & Overweight

Eligibility

Eligible Ages
Between 50 Years and 79 Years
Eligible Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • 50-79 yrs old, - BMI 30-50 - Willing to participate in all procedures - Understand English - Willing to make changes to diet and lifestyle - Have access to a phone - Plan to reside in the Chicago area for the next 12 months

Exclusion Criteria

  • Severe ischemic heart disease - Severe pulmonary disease - Bariatric surgery - Cancer treatment within the past 12 months - Current adherence to MedDiet based on dietary screening

Study Design

Phase
N/A
Study Type
Interventional
Allocation
Randomized
Intervention Model
Single Group Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Active Comparator
MD-WL 		Mediterranean Diet Weight Loss
  • Behavioral: Social Network Curriculum
    Empowerment to share lifestyle change information within social networks
    Other names:
    • MD-WL SN
Active Comparator
MD-WL SN 		Mediterranean Diet Weight Loss Social Networks
  • Behavioral: Social Network Curriculum
    Empowerment to share lifestyle change information within social networks
    Other names:
    • MD-WL SN

Recruiting Locations

University of Illinois Chicago
Chicago, Illinois 60608
Contact:
Lara Blumstein, MA
7734903311
larabeth99@yahoo.com

More Details

Status
Recruiting
Sponsor
University of Illinois at Chicago

Study Contact

Lara Blumstein, MA
+1 77304903311
lbb@uic.edu