Surveillance of Youth Physical Activity and Sedentary Behavior With Wrist Accelerometry

American Journal of Preventive Medicine
Youngwon KimGregory J Welk

Abstract

Accurate tracking of physical activity (PA) and sedentary behavior (SB) is important to advance public health, but little is known about how to interpret wrist-worn accelerometer data. This study compares youth estimates of SB and moderate to vigorous PA (MVPA) obtained using raw and count-based processing methods. Data were collected between April and October 2014 for the National Cancer Institute's Family Life, Activity, Sun, Health, and Eating Study: a cross-sectional Internet-based study of youth/family cancer prevention behaviors. A subsample of 628 adolescents (aged 12-17 years) wore the ActiGraph GT3X+ on the wrist for 7 days. In 2015-2016, SB and MVPA time were calculated from raw data using R-package GGIR and from activity counts data using published cutpoints (Crouter and Chandler). Estimates were compared across age, sex, and weight status to examine the impact of processing methods on behavioral outcomes. ActiGraph data were available for 408 participants. Large differences in SB and MVPA time were observed between processing methods, but age and gender patterns were similar. Younger children (aged 12-14 years) had lower sedentary time and greater MVPA time (p-values <0.05) than older children (aged 15-17 years), co...Continue Reading

Citations

Oct 13, 2017·Medicine and Science in Sports and Exercise·Christiana Maria Theodora VAN LooDylan P Cliff
Jul 17, 2019·Journal of Physical Activity & Health·Sarah G SandersAlberta S Kong
Jan 7, 2020·The Journal of Orthopaedic and Sports Physical Therapy·Laura S PietrosimoneDarin A Padua
Mar 12, 2021·Journal of Physical Activity & Health·Ashleigh M JohnsonAndrew E Springer
Jan 20, 2019·Revue D'épidémiologie Et De Santé Publique·J Vanhelst

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