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Promoting Physical Activity and Weight Loss With mHealth Interventions Among Workers: Systematic Review and

Jiyeon Jung¹, Inhae Cho²

¹Department of Nursing, Korea National Open University, Seoul, Republic of Korea.

JMIR Mhealth and Uhealth

|January 21, 2022

Abstract

Background:

Physical activity (PA) is a vital factor in promoting health in the workforce. Mobile health (mHealth) interventions have recently emerged in workplace health promotion as an effective strategy for inducing changes in health behaviors among workers; however, the effectiveness of mHealth interventions in promoting PA and weight loss for workers is unclear.

Objective:

This study aims to provide a comprehensive analysis of current evidence on the effectiveness of mHealth interventions in promoting PA and weight loss among workers.

Methods:

We searched relevant databases, including PubMed, Embase, CINAHL Complete, and the Cochrane Library, for publications on mHealth interventions in the English or Korean language from inception to December 2020. Randomized controlled trials that evaluated the effectiveness of mHealth in improving PA and weight loss were retrieved. A meta-analysis with a random effects model and subgroup analyses was performed on PA types and mHealth intervention characteristics.

Results:

A total of 8 studies were included in this analysis. More than half of the studies (5/8, 63%) were identified as having a high risk of bias. The mHealth intervention group showed a significant improvement in PA (standardized mean difference [SMD] 0.22, 95% CI 0.03-0.41; P<.001; I²=78%). No significant difference in weight loss was observed when comparing the intervention group with the control groups (SMD 0.02, 95% CI -0.07 to 0.10; P=.48; I²=0%). A subgroup analysis was also performed; walking activity (SMD 0.70, 95% CI 0.21-1.19; P<.001; I²=83.3%), a multicomponent program (SMD 0.19, 95% CI 0.05-0.33; P=.03; I²=57.4%), objective measurement (SMD 0.58, 95% CI 0.05-1.10; P<.001; I²=87.3%), and 2 or more delivery modes (SMD 0.44, 95% CI 0.01-0.87; P<.001; I²=85.1%) were significantly associated with an enhancement in PA.

Conclusions:

This study suggests that mHealth interventions are effective for improving PA among workers. Future studies that assess long-term efficacy with a larger population are recommended.

Keywords:

mHealth mobile phone obesity physical activity weight loss workforce workplace health promotion

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