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An Evaluation of Accelerometer-derived Metrics to Assess Daily Behavioral Patterns
PHYSICAL ACTIVITY EPIDEMIOLOGY MEASUREMENT ASSESSMENT SEDENTARY BEHAVIOR
2018/4/24
Introduction The way physical activity (PA) and sedentary behavior (SB) are accumulated throughout the day (i.e., patterns) may be important for health, but identifying measurable and meaningful metri...
Towards Uniform Accelerometry Analysis: A Standardization Methodology to Minimize Measurement Bias Due to Systematic Accelerometer Wear-Time Variation
Accelerometry wear-time variation data standardization
2015/5/22
Accelerometers are predominantly used to objectively measure the entire range of activity intensities – sedentary behaviour (SED), light physical activity (LPA) and moderate to vigorous physical activ...
Accelerometer-based Physical Activity: Total Volume per Day and Standardized Measures
EXERCISE WEARABLE MONITORS ACCELERATION ENERGY EXPENDITURE
2017/4/19
The use of accelerometers in physical activity (PA) research has increased exponentially over the past 20 yr. The first commercially available accelerometer for assessing PA, the Caltrac, was worn on ...
Accelerometer Adherence and Performance in a Cohort Study of US Hispanic Adults
ACTICAL MISSINGNESS NONWEAR PHYSICAL ACTIVITY SAMPLE WEIGHTS SURVEILLANCE
2017/4/19
Purpose: This study described participant adherence to wearing the accelerometer and accelerometer performance in a cohort study of adults.
Methods: From 2008 to 2011, 16,415 US Hispanic/Latino adult...
Development and Validation of Accelerometer-Based Activity Classification Algorithms for Older Adults: A Machine Learning Approach
Machine learning algorithms Older Adults Physical Activity Assessment
2014/10/20
Machine learning algorithms to classify activity type from wearable accelerometers are important to improve our understanding of the relationship between physical activity (PA) and risk for physical d...
Reactivity to Accelerometer Measurement of Children and Adolescents
HABITUAL PHYSICAL ACTIVITY OBJECTIVE ASSESSMENT ACCELEROMETRY MONITORING CHILDREN ADOLESCENTS
2017/5/23
Awareness of being monitored can influence participants’ habitual physical activity (PA) behavior. This reactivity effect may threaten the validity of PA assessment. Reports on reactivity when measuri...