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. 2021 Jul 18;1(1):e26769. doi: 10.2196/26769

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©Yipeng Zhang, Hanjia Lyu, Yubao Liu, Xiyang Zhang, Yu Wang, Jiebo Luo. Originally published in the JMIR Infodemiology (https://infodemiology.jmir.org), 07.04.2021.

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

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Aggregated depression level trends of the depression and nondepression groups from January 1 to May 22, 2020. Since users with depression have a substantially higher depression level, we used different y-axes for the 2 groups' depression levels to compare them side by side.