10-year Trends In Americans Sedentary Behavior (Sitting).

Too much sitting: the population health science of sedentary behavior.

Even when adults meet physical activity guidelines, sitting for prolonged periods can compromise metabolic health. Television (TV) time and objective measurement studies show deleterious associations, and breaking up sedentary time is beneficial. Sitting time, TV time, and time sitting in automobiles increase premature mortality risk. Further evidence from prospective studies, intervention tria...

5-year changes in afterschool physical activity and sedentary behavior.

BACKGROUND The afterschool period holds promise for the promotion of physical activity, yet little is known about the importance of this period as children age. PURPOSE To examine changes in physical activity of children aged 5-6 years and 10-12 years and their sedentary time in the afterschool period over 3 and 5 years, and to determine the contribution of this period to daily physical activ...

Sedentary behavior and subclinical atherosclerosis in African Americans: cross-sectional analysis of the Jackson heart study.

BACKGROUND Previous studies have reported conflicting results as to whether an association exists between sedentary time and cardiovascular disease (CVD) risk among African Americans. These studies, however, were limited by lack of consideration of sedentary behavior in leisure versus non-leisure settings. To elucidate this relation, we investigated the associations of television (TV) viewing t...

Overweight and obesity in a Swiss city: 10-year trends.

BACKGROUND Increased rates of overweight/obesity have been reported in recent years in developed countries. This population study of healthy subjects evaluated the changes in overweight/obesity prevalence in 2003, compared with 1993, and determined the association of age, sex and leisure-time activity with body mass index (BMI), fat-free mass index (FFMI) and fat mass index (FMI). DESIGN Two ...

Trends in 10-Year Predicted Risk of Cardiovascular Disease