Research has highlighted the importance of peers for determining health behaviors in
adolescents, yet these behaviors have typically been investigated in isolation. We need to …

Background Physical activity (PA), sedentary behaviour (SB) and diet play an important role
in the physical and mental health of young people. Understanding how these behaviours …

Background Adolescent overweight and obesity are well documented in high-income
countries (HICs). They are also emerging as a global public health concern in low-and …

Mental health during adolescence can affect an individual's long-term quality of life.
However, the effects of family and school contexts on students' mental health have been little …

Background The major non-communicable chronic diseases (NCD) are associated with a
small group of modifiable lifestyle-related risk factors, including smoking, insufficient …

Identifying the clustering and correlates of physical activity (PA) and sedentary behavior (SB)
is very important for developing appropriate lifestyle interventions for children and …

Socioeconomic status (SES) as well as adolescents' perceptions of the neighborhood's built
and social environments have been shown to influence adolescents' physical activity …

Physical inactivity is a serious public health concern in adolescents from low-and middle-
income countries (LMICs). Despite this, only a few multinational studies has investigated …

Background: Between January and April 2020, China implemented differentiated prevention
and control strategies across the country, based on the severity of the COVID-19 …

Objectives To explore the relationship between cumulative ecological risk and individual
risky behavior and multiple forms of aggregated behaviors among adolescents, and …