OBJECTIVE To determine risky behaviors leading to unintentional injuries among Tehrani high school students in 2009. METHODS This cross-sectional study was carried out berween October and December 2009. Out of 237,300 (185151 governmental, 52149 non governmental) Tehrani high school students in both genders, 727 subjects were selected by multistage randomized sampling. Among 20 education dist...

objective: the prevalence of overweight and obesity in adolescents is increasing worldwide. the main aim of this study was to determine the prevalence of obesity and overweight among adolescent students11-19 year old in birjand, east of iran. materials and methods: this cross-sectional study in 2012 was conducted on 2453 students (1296 girls and 1157 boys) who had been selected through multi st...

This research examines how gender variation in the trajectory of stressors and resources during high school shapes gender variation in the trajectory of depressed mood. Boys have steeper gains in depressed mood than girls during high school. Adolescents with increasing levels of school or work strain and declining levels of parental support or mastery were more likely to have an increasing traj...

OBJECTIVE Previous studies have suggested that anxiety disorders are more prevalent among women than men. The purpose of this study was to compare the metacognitive perspective of Generalized Anxiety Disorder (GAD) in females with males. METHODS A cross sectional study was conducted on the high school girls and boys who have been affected by GAD. The sample consisted of 100 high school studen...

The effect of self-evaluation of emotions on subjective adaption to school was investigated among junior high school students (n = 217: 112 boys, 105 girls) who participated in a questionnaire survey. Hierarchical multiple regression analysis indicated that for boys "Infringement and maladjustment" differed based on their self-evaluation of anger and anxiety. For girls, on the other hand, the s...

BACKGROUND Sustainability is the core of a successful health-related intervention program. This study was conducted to evaluate the sustainability of interventions of the Heart Health Promotion from Childhood (HHPC) project, one of the 10 interventional projects of the Isfahan Healthy Heart Program. METHODS The evaluation of HHPC included administrating surveys to 500 elementary and middle, a...

Throughout elementary, middle, and high school, girls earn higher grades than boys in all major subjects. Girls, however, do not outperform boys on achievement or IQ tests. To date, explanations for the underprediction of girls’ GPAs by standardized tests have focused on gender differences favoring boys on such tests. The authors’ investigation suggests an additional explanation: Girls are more...

survey of influencial factors on age of puberty of high   school students in neyshabour     m. vafaei [1] , m. sadat hoseini [2] , r. froutan [3]     abstract:   introduction: puberty is a period that the children's body undergo kind of change so children change to puberty.   almost the average age for boy puberty is 12 years old. psychologists said: puberty is eventful obliging for a good...

The transition from middle school to high school is an important developmental period to investigate because of the negative impact it has on youths' academics. The purpose of this study was to investigate Latino youths' academic achievement prior to, during, and after the transition to high school, and gender differences in youths' achievement over time. School transcripts were obtained for 92...

Introdouction: The major demand for orthodontic treatment is associated with esthetic complaints rather than with the severity of occlusal irregularities. This study evaluated the relationship between orthodontic treatment need based on index of complexity, outcome, and need (ICON) and orthodontic- specific quality of life (QOL) among high school students in Shiraz. Materials and methods: Base...