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Mohanraj Krishnan, Andrew N. Shelling, Clare R. Wall, Edwin A. Mitchell, Rinki Murphy, Lesley M.E. McCowan and John M.D. Thompson

bedtime. Physical activity duration was defined as the elapsed time between wake time and sleep onset. The activity variables derived from actigraphy estimated the total physical activity counts, mean activity counts, and minutes of sedentary/light [<3 metabolic equivalent tasks (METs)], moderate (>3 to

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Ryan S. Garten, Matthew C. Scott, Tiffany M. Zúñiga, Austin C. Hogwood, R. Carson Fralin and Jennifer Weggen

monitor 29 that measures accelerations throughout the day, which are expressed as activity counts. The activity counts were summed over a 60-second epoch and categorized as light, moderate, vigorous, or very vigorous activity using previously validated thresholds. 29 This data was further extrapolated

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Sheri J. Hartman, Catherine R. Marinac, Lisa Cadmus-Bertram, Jacqueline Kerr, Loki Natarajan, Suneeta Godbole, Ruth E. Patterson, Brittany Morey and Dorothy D. Sears

, Zderic TW , Schuna JM Jr , Hamilton MT , Tudor-Locke C . Free-living activity counts-derived breaks in sedentary time: are they real transitions from sitting to standing? Gait Posture. 2015 ; 42 ( 1 ): 70 – 72 . PubMed doi:10.1016/j.gaitpost.2015.04.008 25953504 10.1016/j.gaitpost.2015

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Molly P. O’Sullivan, Matthew R. Nagy, Shannon S. Block, Trevor R. Tooley, Leah E. Robinson, Natalie Colabianchi and Rebecca E. Hasson

of ≥60 minutes of zero activity counts were also defined as nonwear time, allowing for 1–2 minutes of counts between 0 and 100 ( 20 ). Nonwear times were excluded from the analyses. The Evenson ( 5 ) cut points were used to derive activity intensities (sedentary: 0–100 counts per minute; low

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Mallory S. Kobak, Andrew Lepp, Michael J. Rebold, Hannah Faulkner, Shannon Martin and Jacob E. Barkley

a significant main effect of condition for accelerometer counts ( F  = 5.3, P  = .03; Figure  1 ). Children accumulated significantly greater total physical activity counts per METs when playing without the iPad present [101,733 (60,015) counts, 5.3 (4.0) METs/min or moderate intensity] versus

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Kin-Kit Li, Lorna Ng, Sheung-Tak Cheng and Helene H. Fung

more. Activity counts were converted into minutes of moderate- to vigorous-intensity PA per day based on the cutoffs suggested by Fredman, Bertrand, Martire, Hochberg, and Harris ( 2006 ). Covariates Several demographic and health-related factors were measured and controlled for in the analyses. The

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Daniel Arvidsson, Elias Johannesson, Lars Bo Andersen, Magnus Karlsson, Per Wollmer, Ola Thorsson and Magnus Dencker

). This is a uniaxial accelerometer recording acceleration signals along the vertical axis to generate activity counts corresponding to activity intensity. 19 Recordings of physical activity in the present study were performed during the whole autumn school term. Children were instructed to wear the

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Deirdre Dlugonski, Katrina Drowatzky DuBose and Patrick Rider

71% (n = 12) of mothers had ≥6 valid days. Mothers accumulated 188,844 (47,966) vertical axis activity counts and walked 5504 (1274) steps per day. Mothers engaged in 284.0 (73.0) minutes of light-intensity activity, 16.5 (10.0) minutes of MVPA, and 520 (62) minutes of sedentary time per day

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Kent A. Lorenz, Hans van der Mars, Pamela Hodges Kulinna, Barbara E. Ainsworth and Melbourne F. Hovell

measure the behavioral variables while simultaneously recording PA. 22 Table 2 Interobserver Correlation Coefficients and R 2 Values for Physical Activity Counts Girls Boys Intensity r R 2 r R 2 Sedentary .9973 a .99 .9932 a .99 Moderate .9080 a .82 .9053 a .82 Vigorous .8157 a .66 .8841 a .78 a

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Juliana S. Oliveira, Leanne Hassett, Catherine Sherrington, Elisabeth Ramsay, Catherine Kirkham, Shona Manning and Anne Tiedemann

use of a waist-worn accelerometer (ActiGraph GT3X+, Pensacola, FL) and was expressed as mean activity counts/min/day and mean number of steps/day. Goal Setting Participants nominated two function-related goals that met the S.M.A.R.T criteria. Goals were determined in a collaborative manner by the