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Examining the Light Heart Mobile Device App for Assessing Human Pulse Interval and Heart Rate Variability: Validation Study

Examining the Light Heart Mobile Device App for Assessing Human Pulse Interval and Heart Rate Variability: Validation Study

The study sample included a high proportion of White individuals and was not powered to examine the validity of Light Heart in cohorts with varying skin tones. However, in 3 individuals who reported race as Southeast Asian and Hispanic or Latino, the agreement statistics discussed above were not demonstrably different than the White participants. In addition, this study was performed in a small sample of individuals (n=14).

Stephen A Klassen, Jesica Jabbar, Jenna Osborne, Nathaniel J Iannarelli, Emerson S Kirby, Deborah D O'Leary, Sean Locke

JMIR Form Res 2024;8:e56921