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. 2022 May 9;24(5):e32006. doi: 10.2196/32006

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©Nicola Coley, Laurine Andre, Marieke P Hoevenaar-Blom, Tiia Ngandu, Cathrien Beishuizen, Mariagnese Barbera, Lennard van Wanrooij, Miia Kivipelto, Hilkka Soininen, Willem van Gool, Carol Brayne, Eric Moll van Charante, Edo Richard, Sandrine Andrieu, HATICE study group, PRODEMOS study group. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 09.05.2022.

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 https://www.jmir.org/, as well as this copyright and license information must be included.

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Changes in engagement over time in the intervention group: (A) total number of logins per month in the intervention group and (B) time to nonuse attrition (ie, no login during the previous month).