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Accuracy of Accelerometers for Measuring Physical Activity and Levels of Sedentary Behavior in Children: A Systematic Review.


ABSTRACT: Objectives: This systematic review evaluated the accuracy of triaxial and omnidirectional accelerometers for measuring physical activity and sedentary behavior in children. Design: Systematic review of the literature. Methods: We comprehensively searched several databases for studies published from January 1996 through June 2018 that reported diagnostic accuracy measures in children and adolescents (age 3-18 years) and compared accelerometers with energy expenditure using indirect calorimetry. Results: We included 11 studies that enrolled 570 participants. All studies used indirect calorimetry as the reference standard. Across the studies, median sensitivity ranged from 46% to 96% and median specificity ranged from 71% to 96%. Median area under the curve ranged from 69% to 98%. Conclusions: Accuracy measures were greatest when detecting sedentary behavior and lowest when detecting light physical activity. Accuracy was higher when the accelerometer was placed on the hip compared with the wrist. The current evidence suggests that triaxial and omnidirectional accelerometers are accurate in measuring sedentary behavior and physical activity levels in children.

SUBMITTER: Lynch BA 

PROVIDER: S-EPMC6740055 | biostudies-literature | 2019 Jan-Dec

REPOSITORIES: biostudies-literature

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Accuracy of Accelerometers for Measuring Physical Activity and Levels of Sedentary Behavior in Children: A Systematic Review.

Lynch Brian A BA   Kaufman Tara K TK   Rajjo Tamim I TI   Mohammed K K   Kumar Seema S   Murad M Hassan MH   Gentile Natalie E NE   Koepp Gabriel A GA   McCrady-Spitzer Shelly K SK   Levine James A JA  

Journal of primary care & community health 20190101


<b>Objectives:</b> This systematic review evaluated the accuracy of triaxial and omnidirectional accelerometers for measuring physical activity and sedentary behavior in children. <b>Design:</b> Systematic review of the literature. <b>Methods:</b> We comprehensively searched several databases for studies published from January 1996 through June 2018 that reported diagnostic accuracy measures in children and adolescents (age 3-18 years) and compared accelerometers with energy expenditure using in  ...[more]

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