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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

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Enhancing group-based internet obesity treatment: A pilot RCT comparing video and text-based chat.

Delia S West¹, M Stansbury¹, R A Krukowski²

¹Arnold School of Public Health University of South Carolina Columbia South Carolina.

Obesity Science & Practice

|January 1, 2020

Summary

Video-based online weight control interventions show promise for improving treatment engagement and potentially weight loss compared to text-based methods. Further research is needed to confirm these findings in larger studies.

Keywords:

behavioural weight control online videoconferencing weight loss

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Area of Science:

Obesity research
Behavioral science
Digital health interventions

Background:

Internet-based behavioral weight control interventions offer accessibility but often yield less weight loss than in-person programs.
Previous online interventions using text-based chat achieved the best weight loss results to date.

Purpose of the Study:

To assess the feasibility and preliminary efficacy of a video-based platform for online group behavioral weight control.
To compare a video-based chat format with a text-based format in a 6-month program for women with obesity.

Main Methods:

A pilot study randomized 32 women with obesity to either weekly video group chat sessions or text-based chat sessions.
Both groups received a 6-month, 24-session online behavioral weight control program.
Participants were provided with either a cellular-enabled scale (Video group) or a digital scale (Text group).

Main Results:

Women in the video group lost a greater percentage of weight (-5.0%) compared to the text group (-3.0%), though not statistically significant.
The video group demonstrated significantly higher treatment engagement, including increased self-monitoring and website utilization.
Both groups utilized a cellular-enabled or digital scale for tracking.

Conclusions:

Videoconference delivery in group-based online weight control may enhance treatment engagement and potentially weight loss compared to text-based chat.
The use of a cellular-connected scale alongside video conferencing may contribute to improved outcomes.
A larger, powered study is recommended to validate these findings and identify key factors driving enhanced outcomes.