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Evaluation of internet-based interventions on waist circumference reduction: A meta-analysis

Title
Evaluation of internet-based interventions on waist circumference reduction: A meta-analysis
Authors
Seo D.-C.Niu J.
Ewha Authors
서동철
SCOPUS Author ID
서동철scopus
Issue Date
2015
Journal Title
Journal of Medical Internet Research
ISSN
1438-8871JCR Link
Citation
vol. 17, no. 7
Keywords
AdiposityInternetIntervention studiesObesityWaist circumference
Publisher
Journal of Medical Internet Research
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Background: Internet-based interventions are more cost-effective than conventional interventions and can provide immediate, easy-to-access, and individually tailored support for behavior change. Waist circumference is a strong predictor of an increased risk for a host of diseases, such as hypertension, diabetes, and dyslipidemia, independent of body mass index. To date, no study has examined the effect of Internet-based lifestyle interventions on waist circumference change. Objective: This study aimed to systematically review the effect of Internet-based interventions on waist circumference change among adults. Methods: This meta-analysis reviewed randomized controlled trials (N=31 trials and 8442 participants) that used the Internet as a main intervention approach and reported changes in waist circumference. Results: Internet-based interventions showed a significant reduction in waist circumference (mean change -2.99 cm, 95% CI -3.68 to -2.30, I2 =93.3%) and significantly better effects on waist circumference loss (mean loss 2.38 cm, 95% CI 1.61-3.25, I2 =97.2%) than minimal interventions such as information-only groups. Meta-regression results showed that baseline waist circumference, gender, and the presence of social support in the intervention were significantly associated with waist circumference reduction. Conclusions: Internet-based interventions have a significant and promising effect on waist circumference change. Incorporating social support into an Internet-based intervention appears to be useful in reducing waist circumference. Considerable heterogeneity exists among the effects of Internet-based interventions. The design of an intervention may have a significant impact on the effectiveness of the intervention. ©Dong-Chul Seo, Jingjing Niu.
DOI
10.2196/jmir.3921
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신산업융합대학 > 융합보건학과 > Journal papers
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