A Validation Study: Fitbit Charge 2 Heart Rate Measurement at Rest and During Cognitive-Emotional Stressors

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dc.contributor.advisorRitvo, Paul G.
dc.contributor.authorWilliams, Spencer Harrison
dc.date.accessioned2021-11-15T15:52:04Z
dc.date.available2021-11-15T15:52:04Z
dc.date.copyright2021-08
dc.date.issued2021-11-15
dc.date.updated2021-11-15T15:52:04Z
dc.degree.disciplineKinesiology & Health Science
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractPrevious studies emphasize concurrent validity of wearable devices during physical activity. We investigate device agreement between Fitbit Charge 2 (FBC2) Heart Rate (HR) and electrocardiography (ECG) under sedentary conditions. In a sample of 32 post-secondary students, agreement was observed during rest, negative affect images, deceptive pattern solving task, and a listening task. ECG HR and FBC2 HR was sampled continuously and transformed into 1120 paired 1-min epochs throughout a 35-minute protocol. Bland-Altman were adopted to evaluate agreement. FBC2 HR underestimated ECG HR as indicated by a mean error bias = -1.1 bpm (95% limits of agreement, -5.62 to 3.42), mean absolute percentage error 1.34 (SD = 1.85) %. Bland-Altman limits of agreement plot indicated minimal systematic error in the measurement range of 54 bpm to 117 bpm. When compared to gold-standard ECG HR the FBC2 HR demonstrated good agreement in healthy young adults.
dc.identifier.urihttp://hdl.handle.net/10315/38765
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectBiomedical engineering
dc.subject.keywordsAutonomic
dc.subject.keywordsHeart rate
dc.subject.keywordsWearable sensor
dc.subject.keywordsWearables
dc.subject.keywordsWearable device
dc.subject.keywordsConsumer wearables
dc.subject.keywordsValidation
dc.subject.keywordsHeart rate reactivity
dc.subject.keywordsStress
dc.subject.keywordsStress reactivity
dc.subject.keywordsBland–Altman plots
dc.subject.keywordsPsychophysiological data
dc.subject.keywordsECG
dc.subject.keywordsPPG
dc.subject.keywordsOptical heart rate monitoring
dc.titleA Validation Study: Fitbit Charge 2 Heart Rate Measurement at Rest and During Cognitive-Emotional Stressors
dc.typeElectronic Thesis or Dissertation

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