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. 2018 Feb 21:10:6.
doi: 10.1186/s13102-018-0094-4. eCollection 2018.

Psychometric properties of the Zephyr bioharness device: a systematic review

Goris Nazari  1 , Pavlos Bobos  1 , Joy C MacDermid  1   2 , Kathryn E Sinden  3 , Julie Richardson  4 , Ada Tang  4
Affiliations

Psychometric properties of the Zephyr bioharness device: a systematic review

Goris Nazari et al. BMC Sports Sci Med Rehabil. .

Abstract

Background: Technological development and improvements in Wearable Physiological Monitoring devices, have facilitated the wireless and continuous field-based monitoring/capturing of physiologic measures in healthy, clinical or athletic populations. These devices have many applications for prevention and rehabilitation of musculoskeletal disorders, assuming reliable and valid data is collected. The purpose of this study was to appraise the quality and synthesize findings from published studies on psychometric properties of heart rate measurements taken with the Zephyr Bioharness device.

Methods: We searched the Embase, Medline, PsycInfo, PuMed and Google Scholar databases to identify articles. Articles were appraised for quality using a structured clinical measurement specific appraisal tool. Two raters evaluated the quality and conducted data extraction. We extracted data on the reliability (intra-class correlation coefficients and standard error of measurement) and validity measures (Pearson/Spearman's correlation coefficients) along with mean differences. Agreement parameters were summarised by the average biases and 95% limits of agreement.

Results: A total of ten studies were included: quality ratings ranged from 54 to 92%. The intra-class correlation coefficients reported ranged from 0.85-0.98. The construct validity coefficients compared against gold standard calibrations or other commercially used devices, ranged from 0.74-0.99 and 0.67-0.98 respectively. Zephyr Bioharness agreement error ranged from - 4.81 (under-estimation) to 3.00 (over-estimation) beats per minute, with varying 95% limits of agreement, when compared with gold standard measures.

Conclusion: Good to excellent quality evidence from ten studies suggested that the Zephyr Bioharness device can provide reliable and valid measurements of heart rate across multiple contexts, and that it displayed good agreements vs. gold standard comparators - supporting criterion validity.

Keywords: Agreement; Heart rate; Psychometric properties; Quality evidence; Reliability; Validity; Wearable device; Zephyr bioharness.

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Conflict of interest statement

Not Applicable.Not ApplicableThe authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
The systematic review evidence flowchart
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