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Table 3 Summary of reliability properties of ZB

From: Psychometric properties of the Zephyr bioharness device: a systematic review

Study Testing protocol ICC SEM/CV Mean diff. 95% C.I.
Johnstone et al. (2012). [1] Walk-Jog-Run     
All Velocities 0.97 4.60 (CV) 4.30 −4.56 – 3.92
4–6 km/h 0.89 5.90 (CV) − 0.20 − 2.40 – − 1.23
8–10.5 km/h 0.93 4.10 (CV) 5.10 −5.55 – − 4.71
11.0 km/h 0.85 2.80 (CV) 5.60 −6.32 – − 4.82
Johnstone et al. (2012b). [2] Treadmill Running 0.98 4.80 (CV) 2.70 −3.15 – 2.22
Rawstorn et al. (2015). [22] Treadmill Running 0.98 5.20 (SEM)
Treadmill, Cycle Ergometer and Activities of daily living; sweep and vacuum 0.98 4.77 (SEM)
Nazari et al. \(2017). [23] Rest 0.92 2.11 (SEM) 0.21 −3.93 – 4.35
Submaximal activity 0.94 3.50 (SEM) 2.82 −4.04 – 9.68
Recovery 0.90 3.51 (SEM) 1.56 −5.31 – 8.43
  1. ZB zephyr bioharness, ICC intra-class correlation coefficient, SEM standard error of measurement, CV coefficient of variation, Mean diff mean difference, 95% C.I. confidence interval