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The Social Pounds Off Digitally (Social POD) Study (SocialPOD)

University of South Carolina logo

University of South Carolina

Status and phase

Completed
Phase 1

Conditions

Obesity

Treatments

Behavioral: Podcast + theory-based mobile diet app
Behavioral: Podcast + mobile diet app

Study type

Interventional

Funder types

Other

Identifiers

NCT02344836
Pro00034960

Details and patient eligibility

About

Smartphones have the capability to monitor health-related behaviors (exercise, diet, etc.) and provide social support which has the potential to play a powerful role in health promotion. The objective of this study is to refine and pilot test the Social POD app for personalized health monitoring and interaction founded on a combination of social networks, recommender systems, motivational research, and health behavior theory. The aim of our proposed project is to conduct a 3-month pilot RCT among overweight and obese adults (N=150) comparing a theory-based podcast (TBP) plus self-monitoring using a commercially-available calorie and weight tracking app (current most popular diet self-monitoring method) versus TBP plus self-monitoring and social support/incentive points for participating with the Social POD app (TBP+Social POD).

Full description

Objectives and Significance. Smartphones have the capability to monitor health-related behaviors (exercise, diet, etc.) and provide social support which has the potential to play a powerful role in health promotion. The objective of this study is to refine and pilot test the Social POD app for personalized health monitoring and interaction founded on a combination of social networks, recommender systems, motivational research, and health behavior theory. Currently, we are recruiting for usability testing among obese and overweight (BMI >25 kg/m2) adults (n=20) with our basic Social POD app. Our proposed project, which seeks to supplement our current line of research investigating mHealth interventions for overweight and obese adults, has two aims:

Aim 1: Refine our intelligent social agent mobile app (Social POD) based on results from our usability testing and develop new components (i.e., incentive system) for use in a 3-month randomized controlled pilot trial (RCT).

Aim 2: Conduct a 3-month pilot RCT among overweight and obese adults (N=150) comparing a theory-based podcast (TBP) plus self-monitoring using a commercially-available calorie and weight tracking app (current most popular diet self-monitoring method)9 versus TBP plus self-monitoring and social support/incentive points for participating with the Social POD app (TBP+Social POD).

Once the final intervention is developed through Aim 1 including the incentive system, we will recruit 150 overweight adult Android smartphone owners (BMI 25-49.9 kg/m2; age 18-65; >30% AA) to participate in a 3-month pilot of our enhanced intervention. Detecting differences in weight among the two groups is our primary research goal.

Enrollment

57 patients

Sex

All

Ages

18 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Overweight or obese (Body Mass Index between 25 and 49.9 kg/m2)
  • Own and Android phone or tablet

Exclusion criteria

  • are currently pregnant
  • are younger than 18 or older than 65 years of age
  • are unable to attend 3 meetings at the University of South Carolina
  • don't have access to the Internet and a computer
  • don't have access to a scale for self-monitoring weight
  • aren't willing to be randomized to one of the two groups
  • have a psychiatric disease, drug or alcohol dependency, or uncontrolled thyroid condition
  • have a major health condition, such as heart conditions, diabetes, and past incidence of stroke
  • have an eating disorder
  • currently participating in a weight loss program or taking weight loss medications

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

57 participants in 2 patient groups

Theory-based podcast
Active Comparator group
Description:
Receive a 3-month weight loss intervention delivered via theory-based podcast (TBP) plus self-monitoring using a commercially-available calorie and weight tracking app (current most popular diet self-monitoring method). Intervention: podcast + mobile diet app
Treatment:
Behavioral: Podcast + mobile diet app
Theory-based podcast + Social POD
Experimental group
Description:
Receive a 3-month weight loss intervention delivered via Theory-based Podcast (TBP) plus self-monitoring and social support/incentive points for participating with the Social POD app (TBP+Social POD). Intervention: podcast + theory-based mobile diet app
Treatment:
Behavioral: Podcast + theory-based mobile diet app

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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