Psychometric properties of the Zephyr bioharness device: a systematic review

Table 3 Summary of reliability properties of ZB

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)	–	–
Rawstorn et al. (2015). [22]	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

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

ISSN: 2052-1847