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. 2020 Nov 18;8(11):e23623. doi: 10.2196/23623

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©Anu-Marja Kaihlanen, Kia Gluschkoff, Hannele Hyppönen, Johanna Kaipio, Sampsa Puttonen, Tuulikki Vehko, Kaija Saranto, Liisa Karhe, Tarja Heponiemi. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 18.11.2020.

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

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Interaction effect between EHR usability (ease of use) and user’s age for information system–related stress. The association is shown for low (mean − 1 SD), average, and high (mean + 1 SD) levels of ease of use. EHR: electronic health record.