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. 2021 Aug 31;9(8):e21088. doi: 10.2196/21088

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©Jiyoung Keum, Moon Jae Chung, Youngin Kim, Hyunyoung Ko, Min Je Sung, Jung Hyun Jo, Jeong Youp Park, Seungmin Bang, Seung Woo Park, Si Young Song, Hee Seung Lee. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 31.08.2021.

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 JMIR mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on https://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Change in SMI from baseline at 8 weeks. Above average users showed a statistically significant increase in muscle mass after 2 months of Noom usage compared to non-users (P=.04). *P values were calculated by Mann-Whitney tests between the 2 groups. SMI: skeletal muscle index.