The ability to assess energy expenditure (EE) and estimate physical activity (PA) in free-
living individuals is extremely important in the global context of non-communicable diseases …

Ecological approaches to health and behavior have long held that place matters for health
(29). Physical activity (PA) and sedentary behavior (SB) research has focused on the …

Human-centered approaches are of particular importance when analyzing urban spaces in
technology-driven fields, because understanding how people perceive and react to their …

Public health research has witnessed a rapid development in the use of location,
environmental, behavioral, and biophysical sensors that provide high-resolution objective …

Objectives Utilitarian and recreational walking both contribute to physical activity. Yet
walking for these two purposes may be different behaviors. We sought to provide …

This study examined the number of days of global positioning system (GPS) monitoring
needed to measure attributes of an individual's routine activity space. Multiple alternative …

Background Over the past decade, the wide availability and small size of different types of
sensors, together with the decrease in pricing, have allowed the acquisition of a substantial …

The advent of the exposome concept, the advancement of mobile technology, sensors, and
the “internet of things” bring exciting opportunities to exposure science. Smartphone apps …

The built environment (BE) has been viewed as an important determinant of health.
Numerous studies have linked BE exposure, captured using a variety of methods, to diet …

Walking is a popular form of physical activity associated with clear health benefits.
Promoting safe walking for pedestrians requires evaluating the risk of pedestrian–motor …