The health benefits of physical activity (PA) have been widely recognized, yet traditional
measures of PA, including questionnaires and category-based assessments of volume and …

• Divergence in summary estimates within and between devices obstructs efforts to pool data
and preclude betweenstudy comparisons, which are necessary to develop coherent public …

Background: Physical behavior researchers using motion sensors often use acceleration
summaries to visualize, clean, and interpret data. Such output is dependent on device …

Physical activity (PA) is of key importance for health among healthy persons and individuals
with chronic obstructive pulmonary disease (COPD). PA has multiple dimensions that can be …

Abstract The Heart Failure Academic Research Consortium is a partnership between the
Heart Failure Collaboratory (HFC) and the Academic Research Consortium (ARC) …

Abstract The coronavirus disease-2019 (COVID-19) pandemic has profoundly changed
clinical care and research, including the conduct of clinical trials, and the clinical research …

Background Physical activity (PA) measurements are becoming common in interstitial lung
disease (ILD); however, standardisation has not been achieved. We aimed to systematically …

Introduction Walking is free, does not require special training, and can be done almost
everywhere. Therefore, walking is a feasible behavior on which to tailor public health …

We studied the association between objectively measured smartphone usage and
objectively measured sleep quality and physical activity for seven consecutive days among …

Introduction Although numerous activity trackers have been validated in healthy populations,
validation is lacking in chronic heart failure patients who normally walk at a slower pace …