Interinstrument Reliability of the ActiGraph GT3X+ Ambulatory Activity Monitor During Free-Living Conditions in Adults.

Abstract

BACKGROUND Currently, no studies have investigated interinstrument reliability of the ActiGraph (AG) GT3X+ in free-living conditions. METHODS Nineteen adults (11 males, 8 females; aged 36.8 ± 11.9 years) wore a pair of AG's (one on each hip), during all waking hours for 1 day. Raw outputs were generated for total counts, steps, wear time and mean counts… (More)
DOI: 10.1123/jpah.2013-0070

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