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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 PG-SGA score according to Noom usage over time. (A) All study participants show an improvement in nutritional status according to the PG-SGA score (P=.001). (B) All Noom users show improvement in their nutritional status according to the PG-SGA score regardless of their app activity differences. Above average users showed significant improvement in PG-SGA score (P=.03). PG-SGA: Patient-Generated Subjective Global Assessment.