Publications by authors named "Gregory Welk"

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Initial outcomes from the Confident Moves online intervention to promote physical activity in adults with obesity: a longitudinal feasibility and acceptability pilot trial.
Seungmin Lee, Kevin Lahoda, Nicholas Myers, Andrew Horowitz, Monika Freeland, Gregory Welk

BMC Public Health· October 2025

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Impact of the COVID-19 Pandemic on Prevalence of Cardiorespiratory Fitness in Public School Students.
Russell R Pate, Marsha Dowda, Morgan N Clennin, Gregory J Welk

J Sch Health· August 2025

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Development of a Modifiable Fall Risk Score for evaluating changes in fall risk over time.
Nicholas R Lamoureux, Philip M Dixon, Brian C Helsel, Gregory J Welk

Inj Prev· August 2025

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Predicting Sleep and Sleep Stage in Children Using Actigraphy and Heartrate via a Long Short-Term Memory Deep Learning Algorithm: A Performance Evaluation.
R Glenn Weaver, James W White, Olivia Finnegan, Hongpeng Yang, Zifei Zhong, Gregory J Welk

J Sleep Res· July 2025

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Accelerometer-Derived Total Activity and Cardiometabolic Health Factors among U.S. adults, NHANES 2011-2014.
Jasmine Y Nakayama, Farah Mouhanna, Geoffrey P Whitfield, Gregory Welk, Fleetwood Loustalot

Med Sci Sports Exerc· July 2025

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The measurement reliability and equivalence of print versus online versions of the Youth Activity Profile.
Yang Bai, Philip M Dixon, Pedro F Saint-Maurice, Paul R Hibbing, Gabriella M McLoughlin, Gregory J Welk

PLoS One· May 2025

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Sociodemographic influences on children's out-of-school time organized activity participation and physical activity in rural communities: A cross-sectional study.
Mary J Von Seggern, Michaela A Schenkelberg, Ann E Rogers, Debra K Kellstedt, Robin High, Gregory J Welk

PLoS One· May 2025

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Evaluating the performance of open-source and proprietary processing of actigraphy sleep estimation in children with suspected sleep disorders: a comparison with polysomnography.
Aliye B Cepni, Sarah Burkart, Xuanxuan Zhu, James White, Olivia Finnegan, Gregory Welk

Sleep· April 2025

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Adolescent physical activity during school days: a comparative study before and after COVID-19 pandemic restrictions.
Karel Frömel, Gregory Welk, Dorota Groffik, Lukáš Jakubec, Jan Dygrýn

Front Public Health· March 2025

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Jerks are useful: extracting pulse rate from wrist-placed accelerometry jerk during sleep in children.
R Glenn Weaver, M V S Chandrashekhar, Bridget Armstrong, James W White Iii, Olivia Finnegan, Gregory J Welk

Sleep· February 2025

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The null need not be nil: Clarifying the parallel arbitrariness of difference testing and equivalence testing.
Paul R Hibbing, Gregory J Welk, Philip M Dixon

Am J Clin Nutr· February 2025

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Evaluating the feasibility and utility of telephonic motivational interviewing in older adults.
Nicholas R Lamoureux, L Alison Phillips, Kathryn J DeShaw, Trina Radske-Suchan, Gregory J Welk

PEC Innov· December 2024

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Study protocol: process and outcome evaluation of the Walk with Ease program for fall prevention.
Nicholas R Lamoureux, Jeni Lansing, Philip M Dixon, L Alison Phillips, Trina Radske-Suchan, Gregory J Welk

BMC Public Health· September 2024

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Home environment factors associated with child BMI changes during COVID-19 pandemic.
Carolyn F McCabe, G Craig Wood, Gregory J Welk, Adam Cook, Jennifer Franceschelli-Hosterman

Int J Behav Nutr Phys Act· August 2024

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Comparison of raw accelerometry data from ActiGraph, Apple Watch, Garmin, and Fitbit using a mechanical shaker table.
James W White, Olivia L Finnegan, Nick Tindall, Srihari Nelakuditi, David E Brown, Gregory J Welk

PLoS One· April 2024

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Sociodemographic influences on youth sport participation and physical activity among children living within concentrated Hispanic/Latino rural communities.
Mary J Von Seggern, Ann E Rogers, Michaela A Schenkelberg, Debra K Kellstedt, Gregory J Welk

Front Public Health· March 2024

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A Device Agnostic Approach to Predict Children's Activity from Consumer Wearable Accelerometer Data: A Proof-of-Concept Study.
R Glenn Weaver, James White, Olivia Finnegan, Srihari Nelakuditi, Xuanxuan Zhu, Gregory J Welk

Med Sci Sports Exerc· February 2024

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Estimating Physical Activity and Sleep using the Combination of Movement and Heart Rate: A Systematic Review and Meta-Analysis.
James W White, Christopher D Pfledderer, Parker Kinard, Michael W Beets, Lauren VON Klinggraeff, Gregory J Welk

Int J Exerc Sci· January 2024

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An observational pilot evaluation of the Walk with Ease program for reducing fall risk among older adults.
Nicholas R Lamoureux, Jeni Lansing, Gregory J Welk

Arch Public Health· November 2023

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Criterion validity of wrist accelerometry for assessing energy intake via the intake-balance technique.
Paul R Hibbing, Gregory J Welk, Daniel Ries, Hung-Wen Yeh, Robin P Shook

Int J Behav Nutr Phys Act· September 2023

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Evaluation of a device-agnostic approach to predict sleep from raw accelerometry data collected by Apple Watch Series 7, Garmin Vivoactive 4, and ActiGraph GT9X Link in children with sleep disruptions.
R Glenn Weaver, Massimiliano de Zambotti, James White, Olivia Finnegan, Srihari Nelakuditi, Gregory J Welk

Sleep Health· August 2023

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Equating NHANES Monitor-Based Physical Activity to Self-Reported Methods to Enhance Ongoing Surveillance Efforts.
Gregory J Welk, Nicholas R Lamoureux, Chengpeng Zeng, Zhengyuan Zhu, Emily Berg

Med Sci Sports Exerc· June 2023

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Contextualizing Adolescent Female Physical Activity Behavior: A Descriptive Study.
Peter Stoepker, Duke Biber, Ashlee Davis, Gregory J Welk, Adria Meyer

Int J Environ Res Public Health· February 2023

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Comparing enhancements to well-child visits in the prevention of obesity: ENCIRCLE cluster-randomized controlled trial.
Lisa Bailey-Davis, Amy M Moore, Melissa N Poulsen, David A Dzewaltowski, Stacey Cummings, Gregory J Welk

BMC Public Health· December 2022

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Evaluation of a Large-Scale School Wellness Intervention Through the Consolidated Framework for Implementation Research (CFIR): Implications for Dissemination and Sustainability.
Gabriella M McLoughlin, Rachel Sweeney, Laura Liechty, Joey A Lee, Richard R Rosenkranz, Gregory J Welk

Front Health Serv· April 2022

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