Objectives: We identified classes of physical activity (PA) and sedentary behaviors (SB) in
5th grade children, associated factors, and trajectories of change into 7th grade. Methods …

Background: While much is known about the overall levels of physical activity and sedentary
activity among youth, few studies have attempted to define clusters of such behaviors. The …

PURPOSE: To identify similar patterns of physical activity (PA) and sedentary behavior in
sixth-grade girls using cluster analysis; to determine which clusters of girls were associated …

Background: Low levels of physical activity and high levels of sedentary behavior during
adolescence are a cause for concern. Sociodemographic, developmental, environmental …

Background: To examine which school-and home-based factors at age 11 to 12 (6th grade,
elementary school) predict physical activity (PA) and sedentary behavior (SB) at age 13 to …

Background: We examined the covarying patterns of physical activity and sedentary
behaviors among adolescents and their long-term maintenance. Methods: Data came from …

BACKGROUND: Because girls are less physically active than boys, it is important to
understand the types of activities preferred by girls, and changes in those preferences over …

ABSTRACT BACKGROUND The purpose of this study was to characterize the temporal,
social, and physical contexts for physical activities commonly reported in a diverse cohort of …

Background Distinct typologies of physical activity and screen-based sedentary behaviors
are common during adolescence, but it is unknown how these change over time. This …

BACKGROUND: Little is known about physical activity (PA) and sedentary behavior
patterning or its impact on long-term PA sustainability, particularly during the critical …