Validity of the Actical accelerometer step-count function in children

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dc.contributor.author Rosenkranz, Richard R.
dc.contributor.author Rosenkranz, Sara K.
dc.contributor.author Weber, Casey
dc.date.accessioned 2012-01-23T16:56:24Z
dc.date.available 2012-01-23T16:56:24Z
dc.date.issued 2012-01-23
dc.identifier.uri http://hdl.handle.net/2097/13346
dc.description.abstract This study sought to assess criterion validity of the Actical monitor step-count function in children via ankle and waist placement, compared with observed video recordings. Children attending a summer program (12 boys, 7 girls, mean age = 9.6yrs, range 7–11yrs) wore two synchronized Acticals, attached at the ankle (AA) and waist (AW). Children performed treadmill walking at varying speeds, and two research assistants counted steps using observed video recordings (OVR). Results showed high correlations for AW-OVR (r = .927, p < .001) and AA-OVR (r = .854, p < .001), but AW and AA were significantly lower than OVR (t > 11.2, p < .001). AW provided better step estimates than AA for step rates above 130 steps per minute. In contrast, AA was superior to AW for slow walking, and measured more steps during the (nontreadmill) program time. Overall, the Actical monitor showed good evidence of validity as a measure of steps in children for population-based studies. en_US
dc.relation.uri http://journals.humankinetics.com/PES en_US
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rights.uri https://rightsstatements.org/page/InC/1.0/
dc.subject Actical monitors en_US
dc.subject Accelerometers en_US
dc.subject Step-count measurement en_US
dc.subject Physical activity measurement en_US
dc.title Validity of the Actical accelerometer step-count function in children en_US
dc.type Text en_US
dc.date.published 2011 en_US
dc.citation.epage 365 en_US
dc.citation.issue 3 en_US
dc.citation.jtitle Pediatric Exercise Science en_US
dc.citation.spage 355 en_US
dc.citation.volume 23 en_US
dc.contributor.authoreid ricardo en_US
dc.contributor.authoreid sararose en_US
dc.contributor.authoreid cweb81 en_US


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This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). Except where otherwise noted, the use of this item is bound by the following: This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

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