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Table 3 Laboratory assessment of supervised series of 4 physical activity tasks using electronic devices

From: New strategies of physical activity assessment in cystic fibrosis: a pilot study

Variable

Reference

Device 1 (n = 6)

Device 2 (n = 6)

Device 3 (n = 6)

Device 4 (n = 6)

Static task of supine lying

 Duration of physical activity, min

0.0

0.0

0.0

0.17 ± 0.41

0.17 ± 0.41

 Steps, number

0

7.83 ± 9.85

10.17 ± 9.11

6.33 ± 6.15

1.33 ± 3.27

Active tasks of stair-climbing

 Steps, number

24

19.83 ± 13.42

28.50 ± 8.85

23.33 ± 3.20

22.50 ± 1.87

Active tasks of stationary cycling

 Duration of physical activity, min

6.0

6.0 ± 0.0

3.75 ± 2.93

6.16 ± 3.18

5.88 ± 0.41

Active tasks of walking

 Duration of physical activity, min

6.0

6.0 ± 0.0

7.75 ± 3.5

6.33 ± 1.03

6.33 ± 0.52

  1. Data are presented as mean ± SD, unless otherwise stated. *p <  0.05, differences between measured data with electronic devices and reference data. Reference data of supervised series of 4 physical activity tasks were established a priori. Abbreviations: Device 1 Smartwatch, Device 2 Fitbit, Device 3 Smartphone (Android), Device 4 Smartphone (iOS)