Recent studies have relied on GPS tracking to assess exposure to environmental
characteristics over daily life schedules. Combining GPS and GIS allows for advances in …

Traditional methods of exposure assessment in epidemiological studies often fail to
integrate important information on activity patterns, which may lead to bias, loss of statistical …

The aim of this paper is to describe and discuss some perspectives on definitions,
constructs, and outcome parameters of physical behavior. The paper focuses on the …

Life-space is an emerging method for measuring older adults' functional status. Although
global positioning system (GPS)-enabled smartphones can collect life-space data passively …

Objective: Persons with multiple sclerosis (PwMS) experience several physical and
cognitive problems which can influence their travel behaviour. This study aimed to document …

Background Numerous definitions of neighborhood exist, yet few studies have considered
youth's perceptions of neighborhood boundaries. This study compared youth-identified …

Purpose: This study aims to investigate both the mean daily physical activity and the hour-by-
hour physical activity patterns across the day using accelerometry and how they are …

Background: Physical activity (PA) and related energy expenditure (EE) is often assessed by
means of a single technique. Because of inherent limitations, single techniques may not …

Walking and cycling are considered very important behaviours in public health. This thesis is
a study of the measurement of walking, cycling and overall travel behaviour. In the first part I …

Background: Increases in physical activity (PA) are promoted by walking in an outdoor
environment. Along with walking speed, slope is a major determinant of exercise intensity …