ABSTRACT OBJECTIVE: To analyze factors associated with physical activity and the mean
time spent in some sedentary activities among school-aged children. METHODS: A cross …

ABSTRACT OBJECTIVE: To estimate the proportion of physically active adolescents and
identify associated factors. METHODS: The sample was composed of 2,874 high school …

ABSTRACT OBJECTIVE: To estimate the prevalence of physical activity in adolescents and
to identify associated factors. METHODS: A cross-sectional study was conducted with a …

The purpose of the study was to analyze the physical activity and the determinants of
sedentary behavior in 1,268 Brazilian adolescents (638 girls, 630 boys) between the ages of …

Background Physical activity in adolescents is associated with short-and long-term health
benefits. Physical activity can occur in various domains and is influenced by a complex …

Objective: To analyze the associations between sex and age with behaviour related to
physical activity practice and sedentary behaviour in children and adolescents. Methods: A …

OBJECTIVE: To estimate the prevalence and identify correlates of physical activity among
adolescents. METHODS: Cross-sectional study nested within a cohort of 4,325 subjects from …

Background Adolescence is a transition stage between childhood and adulthood and is an
important phase for the acquisition of future lifestyles, including the practice of physical …

Analisou-se a validade relativa dos indicadores de atividade física do questionário utilizado
na Pesquisa Nacional de Saúde do Escolar (PeNSE) entre adolescentes da cidade do Rio …

Objective: To investigate determinants of physical inactivity among adolescents aged 15 to
19 years in the city of Recife, northeastern Brazil. Method: This case-control study involved …