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. 2018 Jan 11;6(1):e14.
doi: 10.2196/mhealth.7713.

Face-to-Face Versus Mobile Versus Blended Weight Loss Program: Randomized Clinical Trial

Emalie Hurkmans #  1   2 , Christophe Matthys  3   4   5 , An Bogaerts  6 , Leonie Scheys  4   5 , Karlien Devloo  1 , Jan Seghers  1
Affiliations

Face-to-Face Versus Mobile Versus Blended Weight Loss Program: Randomized Clinical Trial

Emalie Hurkmans et al. JMIR Mhealth Uhealth. .

Erratum in

Abstract

Background: Conventional face-to-face weight loss and weight control programs are very labor intensive for both the patient and the provider. It is unclear to what extent conventional programs can be (partially) completed by mobile health (mHealth) apps.

Objective: The aim of this study was to compare the effectiveness of different weight loss programs using a combination of conventional and mobile programs among adults who are overweight (body mass index [BMI]>29 kg/m²).

Methods: A single-blinded randomized controlled trial among obese adults was performed from September 2015 to March 2016. The study took place in Leuven, Belgium. Of the 102 eligible (BMI >29 kg/m²) adults, 81 (79%) completed the study. The three intervention groups consisted of a conventional face-to-face weight loss program, a weight loss app program (app group), and a partial face-to-face and partial app program (combi group). All intervention groups received the same advice from a dietician and a physical activity coach during a 12-week period. The control group did not receive any information during the same period. Primary outcomes were weight reduction (5% decrease of baseline weight in kg), BMI, metabolic risk factors, dietary pattern, and physical activity.

Results: Significant more participants in all three intervention groups lost at least 5% or more of their weight at baseline compared with the control group. No significant difference was found between the combi group and the conventional group. A trend was found that more participants in the combi group lost 5% or more compared with the app group (19%), P=.06. A significant time x group effect was found for BMI and metabolic risk factors, with the control group having the worst results and the combi group being significantly better with regard to BMI compared with the app group. No significant group x time effects were found for the intake of different food and drinks and moderate to vigorous physical activity (MVPA).

Conclusions: The results of this study show that a conventional weight loss program could partially be completed with an mHealth program without affecting the effectiveness.

Trial registration: Clinicaltrials.gov NCT02595671; https://clinicaltrials.gov/ct2/show/NCT02595671 (Archived by WebCite at http://www.webcitation.org/6w1H0x1Q6).

Keywords: diet; mobile applications; obesity; weight loss.

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Conflict of interest statement

Conflicts of Interest: None declared.

Figures

Figure 1
Figure 1
Description of intervention.
Figure 2
Figure 2
Screenshots of the mobile weight loss app.
Figure 3
Figure 3
Flowchart of trial.
Figure 4
Figure 4
Weight loss (percentage of persons losing 5% of baseline weight).
See this image and copyright information in PMC

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