Research Database
Category: General Activity
Back to Research DatabaseA Refined 2-Regression Model for the ActiGraph Accelerometer
Purpose: The purpose of this study was to refine the 2006 Crouter 2-regression model to eliminate the misclassification of walking/running when starting an activity in the middle of a... Continue Reading >>>
- Authors: Scott E. Crouter1, Erin Kuffel2, Jere D. Haas3, Edward A. Frongillo4, David R. Bassett, Jr.5
- Institutions: 1- University of Massachusetts Boston, Boston, MA
2 - Michigan State University, East Lansing, MI
3 - Cornell University, Ithaca, NY
4 - University of South Carolina, Columbia, SC
5 - The University of Tennessee Knoxville, Knoxville, TN
Accelerometer Data Reduction: A Comparison of Four Reduction Algorithms on Select Outcome Variables
Purpose: Accelerometers are recognized as a valid and objective tool to assess free-living physical activity. Despite the widespread use of accelerometers, there is no standardized way to process and... Continue Reading >>>
- Authors: Louise C. Masse1, Bernard F. Fuemmeler1, Cheryl B. Anderson2, Charles E. Matthews3, Stewart G. Trost4, Diane J. Catellier5, Margarita Treuth6
- Institutions: 1 - National Cancer Institute, Health Promotion Research Branch, Bethesda, MD
2 - Baylor College of Medicine, Department of Pediatrics, Children’s Nutrition Research Center, Houston, TX
3 - Division of General Internal Medicine, Department of Medicine, Vanderbilt University Medical School, Nashville, TN
4 - Department of Kinesiology and Community Health Institute, Kansas State University, Manhattan, KS
5 - Department of Biostatistics, University of North Carolina, Chapel Hill, NC
6 - Center for Human Nutrition, Johns Hopkins University, Baltimore, MD
Calibration of Accelerometer Output for Adults
Abstract This paper reviews the collective experience of monitor calibration studies in adults and seeks to answer the following questions: What has been done? What have we learned? What... Continue Reading >>>
- Authors: Charles E. Matthews
- Institutions: Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN
Agreement between activity monitoring devices during home rehabilitation: a sub-study of the AAA stop trial
Purpose: To assess the association between activity monitoring devices for estimating energy expenditure (EE) in the context of a home-based rehabilitation program. Methods: Twenty four patients with abdominal aortic... Continue Reading >>>
- Authors: J. Myers1, M. Dupain2, A. Vu1, A. Powell1, K. Smith1, R. Dalman3
- Institutions: 1- VA Palo Alto Health Care System/Stanford University - Palo Alto - United States of America, 2- Millersville University - Millersville - United States of America, 3- Stanford University - Stanford - United States of America,
Validity of Estimating Minute-By-Minute Energy Expenditure of Continuous Walking Bouts by Accelerometry
Objective measurement of physical activity remains an important challenge. For wearable monitors such as accelerometer-based physical activity monitors, more accurate methods are needed to convert activity counts into energy... Continue Reading >>>
- Authors: Erin Kuffel, Scott Crouter, Jere Haas, Edward Frongillo, David Bassett
- Institutions: --
Performance of the International Physical Activity Questionnaire (Short Form) in Subgroups of the Hong Kong Chinese Population
The International Physical Activity Questionnaire (IPAQ-SF) has been validated and recommended as an efficient method to assess physical activity, but its validity has not been investigated in different population... Continue Reading >>>
- Authors: Paul Lee, Y YuIan McDowell, Gabriel Leung, T Lam, Sunita Stewart
- Institutions: --
EFFECTIVENESS OF POLAR ACTIVITY COMPUTER ON PHYSICAL ACTIVITY IN DAILY LIFE
Introduction Feedback and monitoring physical activity (PA) may have a role decreasing sedentary behavior. The aim of this study was to test the effectiveness of a Polar Activity Computer... Continue Reading >>>
- Authors: RUCH, N., HÄNGGI, J., MÄDER, U.
- Institutions: FEDERAL INSTITUTE OF SPORT
Interactive Ambulatory Behavior Monitoring An Approach to Optimize the Sampling Strategy In Real Time
Physical activity is an important factor for healthcare intervention delivery and clinical outcome measurement in rehabilitation medicine, rheumatology, aging and cardiovascular medicine. A psychological perspective in ambulatory behavior monitoring... Continue Reading >>>
- Authors: Ulrich Ebner-Priemer 1, Martina Kanning 2,
- Institutions: 1 - Karlsruhe Institute of Technology 2 - University of Stuttgart
Using Generalizability Theory to Estimate Reliability of Within-Person Change in Free-Living Physical Activity: Combining Daily Diaries and Accelerometers Following a Behavior Change Intervention
It is crucial for behavior change interventions aiming at physical activity to reliably assess free-living physical activity. However, self-report measures of physical activity are subject to limitations of memory... Continue Reading >>>
- Authors: Sebastian C. Wagner, Kenzie Snyder, Gertraud Stadler, Niall Bolger
- Institutions: Columbia University
A BETTER INTER-INSTRUMENT RELIABILITY OF UNIAXIAL VS TRIAXIAL ACCELEROMETRY IN FREE LIVING CONDITIONS
INTRODUCTION The most popular accelerometers in physical activity research are the Actigraph uniaxial accelerometer (AGR, Model GT1M, Actigraph, Shalimar, CA) and the RT3 triaxial accelerometer (Stayhealthy Inc, Monrovia, CA).... Continue Reading >>>
- Authors: Vanhelst J1,2, Baquet G3, Gottrand F1, Béghin L1,4
- Institutions: 1 - Inserm U995, IFR114, Faculté de médecine, Université Lille 2, France; 2 - EA 4110, Laboratoire R.E.L.A.C.S, Université du Littoral Côte d’Opale, Dunkerque, France; 3 - EA4408, Faculté des Sciences du Sport, Université de Lille 2, Ronchin, France; 4 - CIC-9301-CH&U-Inserm de Lille, CHRU de Lille, France