More boys than girls with attention deficit hyperactivity disorder (ADHD) receive treatment. One explanation for this bias may be that boys score higher on disruptive behavior scales than girls. Although this was supported by findings in clinical samples, recent studies in nonreferred samples showed that boys and girls with ADHD are similar with respect to their levels of disruptive behavior as...

A comparison of the impact of bullying and sexual harassment on five school outcomes was conducted on a sample of high school students. Results revealed that sexual harassment was a stronger predictor than bullying of all school outcomes for both sexes, but especially for girls. This study suggests that sexual harassment, which activates sexist and heterosexist stereotypes, erodes school engage...

BACKGROUND This study investigated the epidemiology of drug abuse among high school students in Kerman. METHODS This was a cross-sectional study on a randomly selected sample of 652 first and second grade high school students (256 boys, 396 girls) in Kerman. They were informed that their answers would be classified and nameless before they filled questionnaires. Schools and classes were selec...

although researchers in this decade have proposed several answers concerning the association between socio-economic levels of health, still one question is not well understood: whether in school or domestic environments, low and high socio-economic status may influence asthma and respiratory symptoms on primary school students. the aim of this study was to investigate the extent to which primar...

Background and Objectives: To study associations in diet quality academic performance and weight status in urban adolescent high-school students. Materials and Methods: This study was a cross-sectional study in high schools in Tehran, Iran. A total of 629 students (317 boys and 309 girls), aging 17–19 years, from 49 high schools participated in the study. Dietary intake was measured using two ...

BACKGROUND The purpose of this study was to identify the characteristics of injuries of school-aged children transported via emergency medical services (EMS) that occurred in schools by comparing with injuries that occurred outside of school. METHODS Data from the 119 EMS from 2012 to 2014 were analyzed. School and non-school injuries were analyzed in children 6 to 17 years of age. The epidem...

Background: Obesity is considered as one of the most important nutrition and health issues among adolescents in the developing countries. In this respect, risks and problems associated with obesity can put a huge burden on the health care system of a society. Moreover, underweight and malnutrition are also prevalent in developing countries and impose enormous health care expenditures on individ...

BACKGROUND The present study was designed to examine whether serum uric acid (SUA) levels were associated with cardiometabolic risk factors and to determine optimal cut-offs for SUA to identify multiple risk factors among Japanese junior high school students. METHODS AND RESULTS A total of 958 students (518 boys and 440 girls, aged 12.1-15.0 years) who were enrolled between April 2005 and Jun...

purpose : to determine the prevalence of refractive condition and its risk factors among students in mashhad . methods : a total of 2510 students representing a cross-sectional of the population of mashhad were sampled using random cluster sampling strategy. primary and middle school students underwent cycloplegic refraction. the refractive errors of high school students were measured using non...