The number of cellular phone subscribers is increasing every year and there have been reports of health disorders related to the high-frequency radio waves. This paper considers the dependence of Thai university and high school students on cellular phones. A survey form (cellular phone dependence questionnaire: CPDQ) was distributed to 181 female and 177 male Thai university students and to 240...

The clear association between reports of sleep disturbance and poor school performance has been documented for sleepy adolescents. This study extends that research to students outside the adolescent age grouping in an associated school setting (98 middle school students, 67 high school students, and 64 college students). Reported restless legs and periodic limb movements are significantly assoc...

IMPORTANCE The latest US Department of Agriculture school meal and competitive venue standards (USDA standards) aim to improve student nutrition and health. However, significant opposition has been raised to their implementation. OBJECTIVE To examine (1) the percentages of US middle and high school students who currently attend schools that have specific components of the USDA standards; (2) ...

School choice programs aim to give students the option to choose their school. At the same time, underrepresented minority students should be favored to close the opportunity gap. A common way to achieve this is to have a majority quota at each school, and to require that no school be assigned more majority students than its majority quota. An alternative way is to reserve some seats at each sc...

OBJECTIVE Childhood asthma is a frequent cause of absenteeism that affects school performance. We aimed to investigate the impact of asthma on absenteeism and school performance level of elementary and high school students. METHODS Data about sociodemographics, absenteeism, and academic achievement were obtained from 1539 students attending 98 schools in Greece. School performance was assesse...

background domestic violence appears to be a major social problem. researches in the last 10 years have uncovered multiple effects of witnessing domestic violence on children, ranging in severity from little or no effect to sever psychological harm. objectives this study aimed to measure the prevalence of exposure to domestic violence among high school students in tehran. materials and methods ...

In order to find out the connected items of smoking habit and to consider its countermeasures of smoking, a questionnaire survey was carried out in July 1985 to 1451 1stand 2ndgrade college or university students. The percentages of students who were currently smoking and who smoked in the past were 75.9% of male students and 35.9% of females. 40.1 % of the male students and 42.6% of the female...

Students negotiate the transition to secondary school in different ways. While some thrive on the opportunity, others are challenged. A prospective longitudinal design was used to determine the contribution of personal background and school contextual factors on academic competence (AC) and mental health functioning (MHF) of 266 students, 6-months before and after the transition to secondary sc...

Chronotype is a characteristic of a person in a certain point of one's lifetime and it slowly changes with age. Adolescents start to go to bed later while schools impose early starting hours, which may become a problem for students who are unable to adapt their circadian rhythm. The aim of this study was to determine if differences in school starting times affect the students' chronotype, schoo...