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Measures of Physical Activity Using Cell Phones: Validation Using Criterion Methods

Christin Bexelius, Marie Löf, Sven Sandin, Ylva Trolle Lagerros, Elisabet Forsum, Jan-Eric Litton

J Med Internet Res 2010;12(1):e2

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Prospective Associations Between Intervention Components and Website Engagement in a Publicly Available Physical Activity Website: The Case of 10,000 Steps Australia

Cally Davies, Kelly Corry, Anetta Van Itallie, Corneel Vandelanotte, Cristina Caperchione, W Kerry Mummery

J Med Internet Res 2012;14(1):e4

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App-Based Intervention Combining Evidence-Based Behavior Change Techniques With a Model-Based Reasoning System to Promote Physical Activity Among Young Adults (Active2Gether): Descriptive Study of the Development and Content

Anouk Middelweerd, Saskia J te Velde, Julia S Mollee, Michel CA Klein, Johannes Brug

JMIR Res Protoc 2018;7(12):e185

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Participant Engagement with a Hyper-Personalized Activity Tracking Smartphone App

Amanda Centi, Ramya Palacholla, Sara Golas, Odeta Dyrmishi, Stephen Agboola, Kamal Jethwani, Joseph Kvedar

iproc 2018;4(2):e11876

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Physical Activity Behavior Change Driven by Engagement With an Incentive-Based App: Evaluating the Impact of Sweatcoin

Mark Elliott, Felicia Eck, Egor Khmelev, Anton Derlyatka, Oleg Fomenko

JMIR Mhealth Uhealth 2019;7(7):e12445

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Engagement and Nonusage Attrition With a Free Physical Activity Promotion Program: The Case of 10,000 Steps Australia

Diana Guertler, Corneel Vandelanotte, Morwenna Kirwan, Mitch J Duncan

J Med Internet Res 2015;17(7):e176

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The Use and Effects of an App-Based Physical Activity Intervention “Active2Gether” in Young Adults: Quasi-Experimental Trial

Anouk Middelweerd, Julia Mollee, Michel MCA Klein, Adnan Manzoor, Johannes Brug, Saskia J te Velde

JMIR Form Res 2020;4(1):e12538

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Methodology Used in Ecological Momentary Assessment Studies About Sedentary Behavior in Children, Adolescents, and Adults: Systematic Review Using the Checklist for Reporting Ecological Momentary Assessment Studies

Catiana Leila Possamai Romanzini, Marcelo Romanzini, Mariana Biagi Batista, Cynthia Correa Lopes Barbosa, Gabriela Blasquez Shigaki, Genevieve Dunton, Tyler Mason, Enio Ricardo Vaz Ronque

J Med Internet Res 2019;21(5):e11967

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Internet-Based Physical Activity Interventions: A Systematic Review of the Literature

Marleen van den Berg, Johannes Schoones, Theodora Vliet Vlieland

J Med Internet Res 2007;9(3):e26

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The Physical Activity Tracker Testing in Youth (P.A.T.T.Y.) Study: Content Analysis and Children’s Perceptions

Brittany Masteller, John Sirard, Patty Freedson

JMIR Mhealth Uhealth 2017;5(4):e55

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