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. 2018 Jan 15;5(1):e3. doi: 10.2196/humanfactors.8017

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©Alexis L Beatty, Sara L Magnusson, John C Fortney, George G Sayre, Mary A Whooley. Originally published in JMIR Human Factors (http://humanfactors.jmir.org), 15.01.2018.

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

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Task completion success and patient-reported usability and likelihood of using the mobile app on initial and revised versions of the mobile app. Task completion success was the percentage of tasks successfully completed. Usability was score on the System Usability Scale (scale 0-100, with 100 being the best usability). Likely to use app was self-rated likelihood of use (scale 0-100, with 100 being the highest likelihood). P values represent comparisons between the initial version and revised versions.