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. 2019 Jan 8;21(1):e298. doi: 10.2196/jmir.9609

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©Alline M Beleigoli, Andre Q Andrade, Alexandre G Cançado, Matheus NL Paulo, Maria De Fátima H Diniz, Antonio L Ribeiro. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 08.01.2019.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Meta-analysis results for mean weight change (kg) in Web-based-only versus nonactive interventions (wait list) in the control group. df: degrees of freedom; IV: interval variable; random: random effects model.