Effect of Mobile Health on Obese Adults: A Systematic Review and Meta-Analysis
- Authors
- Park, Seong-Hi; Hwang, Jeonghae; Choi, Yun-Kyoung
- Issue Date
- Jan-2019
- Publisher
- 대한의료정보학회
- Keywords
- Adult; Obesity; Cell Phone; Mobile Applications; Meta-analysis
- Citation
- Healthcare Informatics Research, v.25, no.1, pp 12 - 26
- Pages
- 15
- Journal Title
- Healthcare Informatics Research
- Volume
- 25
- Number
- 1
- Start Page
- 12
- End Page
- 26
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/4805
- DOI
- 10.4258/hir.2019.25.1.12
- ISSN
- 2093-3681
2093-369X
- Abstract
- Objectives: This study was conducted to examine the effects of mobile health (mHealth), using mobile phones as an intervention for weight loss in obese adults. Methods: An electronic search was carried out using multiple databases. A meta-analysis of selected studies was performed. The effects of mHealth were analyzed using changes in body weight and body mass index (BMI). Results: We identified 20 randomized controlled trials (RCTs) involving 2,318 participants who fit our inclusion criteria. The meta-analysis showed that body weight was reduced with a weighted mean difference (WMD) of -2.35 kg (95% confidence interval [CI], -2.84 to -1.87). An examination of the impact of duration of intervention showed that weight loss was greater after 6 months of mHealth (WMD = -2.66 kg) than between three and four months (WMD = -2.25 kg); it was maintained for up to 9 months (WMD = -2.62 kg). At 12 months, weight loss was reduced to a WMD of -1.23 kg. BMI decreased with a WMD of -0.77 kg/m(2) (95% CI, -1.01 to -0.52). BMI changes were not statistically significant at 3 months (WMD = -1.10 kg/m(2)), but they were statistically significant at 6 months (WMD = -0.67 kg/m(2)). Conclusions: The use of mHealth for obese adults showed a modest short-term effect on body weight and BMI. Although the weight loss associated with mHealth did not meet the recommendation of the Scottish Intercollegiate Guideline Network, which considers a reduction of approximately 5 to 10 kg of the initial body weight as a successful intervention. Well-designed RCTs are needed to reveal the effects of mHealth interventions.
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