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. 2021 Oct 12;23(10):e27723. doi: 10.2196/27723

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©M Margaret Dolcini, Jesse A Canchola, Joseph A Catania, Marissa M Song Mayeda, Erin L Dietz, Coral Cotto-Negrón, Vasudha Narayanan. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 12.10.2021.

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 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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Disparities in access by income 2015-2017. The figure shows the percentage of youth (aged 14-17 years) who do not have access; household internet: internet access in the home; cell phone/smartphone: has cell phone or smartphone.