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Evelin Lätt, Jarek Mäestu and Jaak Jürimäe

GT1M accelerometer (ActiGraph LLC, Pensacola, FL). Each participant was asked to wear the monitor on the right hip for 7 consecutive days, except when sleeping or in conditions the accelerometer could get wet (swimming, bathing, sauna, etc). The accelerometer was programmed to record activity counts

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Neng Wan, Ming Wen, Jessie X. Fan, O. Fahina Tavake-Pasi, Sara McCormick, Kirsten Elliott and Emily Nicolosi

.4278/0890-1171-10.4.282 10159709 42. Carlson RH Jr , Huebner DR , Hoarty CA , et al . Treadmill gait speeds correlate with physical activity counts measured by cell phone accelerometers . Gait Posture . 2012 ; 36 ( 2 ): 241 – 248 . PubMed doi:10.1016/j.gaitpost.2012.02.025 10.1016/j.gaitpost.2012.02.025 22475727

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Peng Zhang, Jung Eun Lee, David F. Stodden and Zan Gao

were set at 15-second intervals. Raw activity counts were interpreted using empirically established cut points that defined different PA intensity: sedentary (<100 count/min), LPA (101–2295 count/min), and MVPA (>2296 count/min). 22 Data were collected in September/October of 2012 (baseline assessment

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Jennifer L. Huberty, Jeni L. Matthews, Meynard Toledo, Lindsay Smith, Catherine L. Jarrett, Benjamin Duncan and Matthew P. Buman

were fitted to a mask attached to a portable metabolic measurement device (Oxycon Mobile, Carefusion, Yorba Linda, CA, USA) placed in a backpack, and an Actigraph GT3X+ device was placed on the left hip. One study reported no difference in hip placement or activity counts for walking/running activities

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Berit Steenbock, Marvin N. Wright, Norman Wirsik and Mirko Brandes

, and are increasingly being used in studies with very young children ( Hills et al., 2014 ). However, traditional linear model equations developed for activity count-based data do not provide accurate estimates of EE in preschoolers ( Janssen et al., 2013 ; Reilly et al., 2006 ). Because the

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Adelle Gadowski, Alice J. Owen, Andrea Curtis, Natalie Nanayakkara, Stephane Heritier, Marie Misso and Sophia Zoungas

activities in the previous 2 weeks ( Dirajlal-Fargo et al., 2016 ). In the second trial, participants were instructed to wear an accelerometer for 96 consecutive hours, including 2 weekdays and 2 weekend days. Accelerometers recorded several parameters of participants’ physical activity including activity

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Catherine E. Tong, Joanie Sims Gould and Heather A. McKay

. Studies with older adults consistently used 60-s epochs to summarize activity counts (see Gorman et al., 2014 ). Individual participant data were first uploaded to Microsoft Office Excel files. The accelerometers did not capture any counts greater than 15,000/min, which are regarded to be physiologically

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Kelley Pettee Gabriel, Adriana Pérez, David R. Jacobs Jr, Joowon Lee, Harold W. Kohl III and Barbara Sternfeld

at the exam visit. Data from the accelerometer, expressed as 60-second epochs, were downloaded and screened for wear-time using methods described by Troiano et al. 16 Activity count-based measures (counts·d −1 and counts·min −1 ·d −1 ) were calculated using summed or averaged daily counts detected

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Alexander H.K. Montoye, Jordana Dahmen, Nigel Campbell and Christopher P. Connolly

activity counts recorded by the AG to Calorie data ( Freedson, Melanson, & Sirard, 1998 ; Sasaki, John, & Freedson, 2011 ); these are henceforth abbreviated as AG 1998 and AG 2011. Since metabolism lags behind the true metabolic cost of an activity when changing intensities ( McArdle, Katch, & Katch, 2015

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Emma E. Sypes, Genevieve Newton and Zakkoyya H. Lewis

, “a wearable device that objectively measures lifestyle PA and can provide feedback, beyond the display of basic activity count information, via the monitor display or through a partnering application to elicit continual self-monitoring of activity behaviour.” 4 These devices continue to be developed