Purpose The purpose of this study was to examine patterns of objectively-measured
sedentary behavior in a national cohort of US middle-aged and older adults and determine …

Background Sedentary behavior is associated with health risks in adults. The potential
benefits of reducing sedentary time may be dependent not only on decrease per se, but also …

Background: The harmful relationship of sedentary behavior to health may reflect an
exchange of sedentary activity for moderateto-vigorous physical activity (MVPA), or …

Importance It is unclear whether, for the same amount of total physical activity, a higher
proportion of vigorous physical activity (VPA) to total physical activity is associated with a …

Sedentary behaviors are linked to adverse health outcomes, but the total amount of time
spent in these behaviors in the United States has not been objectively quantified. The …

Purpose Prolonged sitting has emerged as a risk factor for early mortality, but the extent of
benefit realized by replacing sitting time with exercise, or activities of everyday living (ie non …

CONTEXT: To systematically review and provide an informative synthesis of findings from
longitudinal studies published since 1996 reporting on relationships between self-reported …

Background Physical activity is associated with low mortality in men, but little is known about
the association in women, different age groups, and everyday activity. Objective To evaluate …

Importance Sedentary behavior is associated with cardiometabolic disease and mortality,
but its association with dementia is unclear. Objective To investigate whether accelerometer …

Background Whether national physical activity recommendations are related to mortality
benefit is incompletely understood. Methods We prospectively examined physical activity …