Screen time, physical activity and cardiovascular risk factors in adolescents

Physical activity and screen time in adolescents and their friends.

BACKGROUND Little is known about the actual physical activity and screen time behaviors of an adolescent's friends relative to the individual's behavior. PURPOSE To determine the associations between an adolescent's physical activity and screen time and his/her nominated friends' physical activity and screen time. METHODS Data were obtained from EAT 2010 (Eating and Activity Among Teens), a...

Obesity, overweight, screen time and physical activity in Mexican adolescents.

OBJECTIVE To determine whether screen time and physical activity is related to overweight or obesity in adolescents. MATERIAL AND METHODS Cross-sectional design. Adolescents aged 10 to 19 were included in the Mexican National Health and Nutrition Survey 2006 (ENSANUT 2006). The dependent variable was overweight or obesity; the independent variable was screen time. A logistic regression model ...

New Cardiovascular Risk Factors and Physical Activity

Associations between Screen Time and Physical Activity among Spanish Adolescents

BACKGROUND Excessive time in front of a single or several screens could explain a displacement of physical activity. The present study aimed at determining whether screen-time is associated with a reduced level of moderate to vigorous physical activity (MVPA) in Spanish adolescents living in favorable environmental conditions. METHODOLOGY/PRINCIPAL FINDINGS A multi-stage stratified random sam...

Screen time and metabolic risk factors among adolescents.

OBJECTIVE To examine the association between screen time (ST) (ie, television/DVD/video and computer use) guidelines and risk factors for cardiovascular disease, type 2 diabetes mellitus, and fatty liver diseases in mid-adolescence. DESIGN Cross-sectional. SETTING High schools in Sydney, Australia. PARTICIPANTS Grade 10 students (N = 496; 58% boys; mean [SD] age, 15.4 [0.4] years). MAIN...