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Table 4 Summary of validity properties of ZB

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

Study

Criterion measure

Testing protocol

Mean diff.

r/rs

Johnstone et al. (2012a). [24]

Polar-T31.

Treadmill – Walking and Running

−3.80

0.89

Johnstone et al. (2012). [1]

Polar-T31

Walk-Jog-Run

  

All Velocities

0.00

0.98

4–6 km/h

1.30

0.92

8–10.5 km/h

− 0.70

0.93

11.0 km/h

−2.10

0.67

Kim et al. (2013). [25]

12-Lead ECG

Treadmill running

3.20

0.87

Flanagan et al. (2014). [27]

5 Lead ECG

Cycle ergometer

  

Rest

1.00

≥0.99

12- Stages

0.00

≥0.99

Recovery

2.00

≥0.99

Dolezal et al. (2014). [28]

12 Lead ECG

Treadmill Walk

0.04

0.99

Search (Crawl)

− 0.01

0.99

Stairs

−0.13

0.99

Fast walk

0.03

0.99

Smith et al. (2014). [29]

3 Lead ECG

Treadmill Walk

−0.40

0.99

Search (Crawl)

−1.70

0.95

Stairs

0.40

0.99

Gatti et al. (2014). [26]

5 Lead EKG

Sitting

−0.78

0.99

Thoracic rotation.

−0.77

0.98

Arm Lifting.

0.22

0.94

Batting.

−2.51

0.76

Weight moving.

−4.81

0.78

Walking.

−1.68

0.74

Rawstorn et al. (2015). [22]

12 Lead ECG

Treadmill Running

−1.30

0.92

Treadmill, Cycle Ergometer and Activities of daily living; sweep and vacuum

−1.45

0.97

  1. ZB zephyr bioharness, Mean diff mean difference, r Pearson’s correlation coefficient, r s spearman’s rank correlation