The aim of this study will be to investigate the validity of a consumer available activity tracker (Polar M200) in free-living conditions to measure sedentary time.
The aim of the present study is to evaluate the validity from a commercially available wearable Polar device. Consumer-based activity trackers are generally cheaper, designed for long-term wear and are less intrusive. Potentially, consumer-based activity trackers can be used for research purposes, but high-quality validation studies are needed. The aims of this study will be to assess validity of sedentary outcome measures of a Polar device during free-living conditions in comparison with the ActivPAL3TM activity monitor (AP; PAL Technologies Ltd, Glasgow, UK), which is considered the gold standard to measure sedentary time in free-living conditions.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
60
Participants will have to wear the activity monitors (AP and Polar M200) for at least 7 days. Minutes spent in each activity type will be summed to a total day score. Participants will be instructed to do their regular daily life activities without limitation, but to note their main activity categories in an activity diary, with a main focus on cycling and participation in structured exercise.
Hasselt University
Hasselt, Limburg, Belgium
Sedentary time
Sedentary time
Time frame: 7 days
Steps
Number of steps
Time frame: 7 days
Sleeping time
Sleeping time
Time frame: 7 days
Standing time
Standing time
Time frame: 7 days
Walking time
Walking and running time
Time frame: 7 days
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