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Using open source accelerometer analysis to assess physical activity and sedentary behaviour in overweight and obese adults

Overview of attention for article published in BMC Public Health, April 2018
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Title
Using open source accelerometer analysis to assess physical activity and sedentary behaviour in overweight and obese adults
Published in
BMC Public Health, April 2018
DOI 10.1186/s12889-018-5215-1
Pubmed ID
Authors

Paul Innerd, Rory Harrison, Morc Coulson

Abstract

Physical activity and sedentary behaviour are difficult to assess in overweight and obese adults. However, the use of open-source, raw accelerometer data analysis could overcome this. This study compared raw accelerometer and questionnaire-assessed moderate-to-vigorous physical activity (MVPA), walking and sedentary behaviour in normal, overweight and obese adults, and determined the effect of using different methods to categorise overweight and obesity, namely body mass index (BMI), bioelectrical impedance analysis (BIA) and waist-to-hip ratio (WHR). One hundred twenty adults, aged 24-60 years, wore a raw, tri-axial accelerometer (Actigraph GT3X+), for 3 days and completed a physical activity questionnaire (IPAQ-S). We used open-source accelerometer analyses to estimate MVPA, walking and sedentary behaviour from a single raw accelerometer signal. Accelerometer and questionnaire-assessed measures were compared in normal, overweight and obese adults categorised using BMI, BIA and WHR. Relationships between accelerometer and questionnaire-assessed MVPA (Rs = 0.30 to 0.48) and walking (Rs = 0.43 to 0.58) were stronger in normal and overweight groups whilst sedentary behaviour were modest (Rs = 0.22 to 0.38) in normal, overweight and obese groups. The use of WHR resulted in stronger agreement between the questionnaire and accelerometer than BMI and BIA. Finally, accelerometer data showed stronger associations with BMI, BIA and WHR (Rs = 0.40 to 0.77) than questionnaire data (Rs = 0.24 to 0.37). Open-source, raw accelerometer data analysis can be used to estimate MVPA, walking and sedentary behaviour from a single acceleration signal in normal, overweight and obese adults. Our data supports the use of WHR to categorise overweight and obese adults. This evidence helps researchers obtain more accurate measures of physical activity and sedentary behaviour in overweight and obese populations.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 106 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 106 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 15 14%
Student > Doctoral Student 13 12%
Student > Master 12 11%
Researcher 10 9%
Student > Ph. D. Student 10 9%
Other 21 20%
Unknown 25 24%
Readers by discipline Count As %
Sports and Recreations 16 15%
Medicine and Dentistry 14 13%
Engineering 10 9%
Unspecified 9 8%
Nursing and Health Professions 8 8%
Other 16 15%
Unknown 33 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 June 2018.
All research outputs
#20,522,137
of 23,090,520 outputs
Outputs from BMC Public Health
#14,064
of 15,053 outputs
Outputs of similar age
#287,692
of 326,646 outputs
Outputs of similar age from BMC Public Health
#293
of 305 outputs
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