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. 2020 Aug 27;22(8):e21345. doi: 10.2196/21345

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©Marcus Bendtsen. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 27.08.2020.

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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Pressed link in text message: odds ratios and P values calculated and plotted over time (number of participants in the study). Horizontal lines represent null value (OR 1) and the .05 statistical significance line.