Key result
Wearable optical heart rate sensors showed no significant difference in accuracy across skin tones, but absolute error during activity was on average 30% higher than during rest.
Why the study?
Wearables are increasingly used in healthcare, but no study had systematically explored their heart rate measurement accuracy across the full range of skin tones and under potential sources of error like motion.
Do wearable optical heart rate sensors maintain accuracy across different skin tones and activity levels?
Comparison
Wearable heart rate measurements across skin tones, devices, and activity types versus rest
Authors
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Supports equitable wearable HR monitoring across skin tones; leaves open activity error mitigation in validation studies.
Observational
Do wearable optical heart rate sensors maintain accuracy across different skin tones and activity levels?
Wearable optical heart rate sensors demonstrate consistent accuracy across different skin tones, but their error rate increases significantly during physical activity compared to rest.
Bent et al. (2020) reported an observational. Wearable optical heart rate sensors vs. Resting state / different skin tones was evaluated on Accuracy of heart rate measurements across skin tones and activity types. Wearable optical heart rate sensors showed no significant difference in accuracy across skin tones, but absolute error during activity was on average 30% higher than during rest.
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