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Table 1 Characteristics of the activity monitors and software

From: Which activity monitor to use? Validity, reproducibility and user friendliness of three activity monitors

Ā 

ActivPAL3

ActiGraph GT3X

CAM

Size

53 Ɨ 35 Ɨ 7 mm

38 Ɨ 37 Ɨ 18 mm

63 Ɨ 45 Ɨ 18 mm

Weight

15Ā g

27Ā g

100Ā g

Placement

Thigh

Waist

Thigh

Application

Adhesives

Elastic belt

Elastic belt

Range

2G

3G

4G

Sample frequency

20 Hz

30 Hz

25 Hz

Waterproof

Yes

No

No

Software*

ActivPAL software 6.0.2

Actilife 5.10.0

Custom Matlab program

Classifications

Sitting/lying

Lying

Sitting/lying

Ā 

Standing

Sitting

Standing

Ā 

Stepping

Upright

Active

Intensity measure

Metabolic Equivalent (MET)

Counts

Integrated Magnitude Area (IMA)

Epoch length*

1Ā s

1Ā s

1Ā s

Non-wear classification*

No

Yes (inclinometer code)

No

  1. *Device offers more options; the option selected in this study is presented.