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. 2022 Dec 27;5:195. doi: 10.1038/s41746-022-00735-1

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — In the eFHS cohort (n = 1948), 30 participants took more than 90 days to return baseline surveys and were excluded as it was difficult to distinguish baseline and follow-up surveys. The total sample for app use (n = 1918) includes participants who didn’t return surveys (n = 213) and who returned surveys (n = 1705). The sample for watch use (n = 1243) consists of participants who sent data from the watch (n = 1185) and who took the watch but never sent any data (n = 58). The total sample of BP cuff use includes participants who returned BP (n = 969) data and who took the BP cuff but never sent any BP data (n = 146).