BACKGROUND Systematic data regarding adolescent smoking are needed at the national level to support evidence-based tobacco control in China. The goal of this study was to estimate smoking prevalence among Chinese adolescents using published data. METHODS Published studies were located electronically from the commonly used databases in Chinese and English, complemented by manual searching. For...

Adolescents spend only a fraction of their waking hours in school and what they do with the rest of their time varies dramatically. Despite this, research on out-of-school time has largely focused on structured programming. The authors analyzed data from the Educational Longitudinal Study of 2002 (ELS:2002) to examine the out-of-school time activity portfolios of 6,338 high school sophomores, a...

There is a lack of studies that analyze the association between micronutrient-related biomarker status and physical fitness in adolescents. In the present study, biochemical parameters for iron and vitamin status were studied, along with objective measures of physical fitness in healthy male and female European adolescents. One thousand eighty-nine adolescents (580 girls, 12.5-17.5 yr) from the...

60 There is a lack of studies that analyse the association between micronutrient-related 61 biomarker status and physical fitness in adolescents. In the present study, biochemical 62 parameters for iron and vitamin status were studied along with objective measures of 63 physical fitness in healthy male and female European adolescents. 1089 adolescents (580 64 girls, 12.5-17.5 years) from the HE...

OBJECTIVE To describe the prevalence of eating habits considered healthy in adolescents according to sex, age, education level of the mother, school type, session of study, and geographic region. METHODS The assessed data come from the Study of Cardiovascular Risks in Adolescents (ERICA), a cross-sectional, national and school-based study. Adolescents of 1,247 schools of 124 Brazilian municipal...

Electronic aggression, or cyberbullying, is a relatively new phenomenon. As such, consistency in how the construct is defined and operationalized has not yet been achieved, inhibiting a thorough understanding of the construct and how it relates to developmental outcomes. In a series of two studies, exploratory and confirmatory factor analyses (EFAs and CFAs respectively) were used to examine wh...

BACKGROUND While the majority of research in Bangladesh has focused on intimate partner violence (IPV) against women, less is known about the correlates of physical violence against unmarried female adolescents, particularly community-level characteristics that may increase their risk of experiencing violence. METHODS We used multilevel logistic regression analysis to assess the variability i...

BACKGROUND Adolescents are an important age-group for preventing disease and supporting health yet little is known about their health-seeking behaviours. OBJECTIVE We describe socio-demographic characteristics and health-seeking behaviours of adolescents in Soweto, South Africa, in order to broaden our understanding of their health needs. DESIGN The Botsha Bophelo Adolescent Health Study wa...

60 There is a lack of studies that analyse the association between micronutrient-related 61 biomarker status and physical fitness in adolescents. In the present study, biochemical 62 parameters for iron and vitamin status were studied along with objective measures of 63 physical fitness in healthy male and female European adolescents. 1089 adolescents (580 64 girls, 12.5-17.5 years) from the HE...

Background: The sexual health indices of the adolescents are very poor. This study ascertained the factors influencing the sexual behaviour among female adolescents in Onitsha, Anambra state, Nigeria. Method: This was a cross sectional design in which a total of 800 female adolescents were selected from secondary schools in the area using multistage sampling method; and also selected from a maj...