background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...

We estimated the cigarette consumption among Japanese adolescents based on the data which was obtained from a 1990 nationwide school-based questionnaire survey of smoking prevalence among high school students. Cigarette consumption for adolescents was estimated using the data on current smokers' rate and cigarette consumption per day. Participants were 57,189 high school students (aged 13-18 ye...

We examine school performance among 83 adolescents at risk for major depression. Negative mood interfered with subjective measures of school performance, including ability to do well in school, homework completion, concentrate in class, interact with peers, and going to class. No significant relationships were found for mood and objective measures of school performance (school attendance, Engli...

The main objectives were to evaluate efficacy and acceptability of a developmentally sensitive cognitive behavioral therapy for anxiety-based school refusal in adolescence. Twenty school-refusing adolescents meeting DSM-IV anxiety disorder criteria participated in a non-randomized trial, together with parents and school staff. Outcome was assessed at post-treatment and 2-month follow-up. Treate...

objectives: the current study was designed to examine the association between the emotional expressiveness style and addiction potential among male high school students. methods: a cross-sectional study was conducted on 180 male high school students that had been selected through multi-stage random sampling from karaj city’s at-risk high schools. the research tools consisted of: a) the research...

High school dropout is an important policy issue and its determinants are a longstanding interest of economics. However, very little is known on the roles of noncognitive traits in influencing school dropout decisions. We employ voluntary forgone health care as a proxy for the underlying noncognitive traits that may induce adolescents to dropout and estimate its effects on early school attritio...

Lower levels of physical activity are associated with childhood obesity. School physical education (PE) policies have been identified as critical to improve child and adolescent physical activity levels but there has been little evaluation of such policies. In the province of Manitoba, Canada, the government implemented a mandatory PE policy in secondary schools designed to increase the daily p...

BACKGROUND Resilience is a quality that affects an individual's ability to cope with tension. The present study was conducted to determine resilience and its contributing factors in high-risk adolescents living in residential care facilities affiliated to Tehran Welfare Organization in order to help develop effective preventive measures for them. METHODS The present descriptive study was cond...

background: the life style is formed and stabilized in adolescence. since consumption of fruits and vegetables may affect the risk of chronic diseases, their low consumption during adolescence is very important. knowledge and skill is considered as one of the main determinants of this behavior. this study aimed to investigate the knowledge and skill of proper consumption of fruit and vegetables...

The Advisory Committee on Immunization Practices recommended immunization schedule for adolescents includes three vaccines (tetanus, diphtheria, and acellular pertussis [Tdap]; human papillomavirus [HPV] vaccine; and meningococcal conjugate vaccine [MCV4]) and an annual influenza vaccination. Given the increasing number of recommended vaccines for adolescents and health and economic costs assoc...