BACKGROUND AND AIMS While the relationships between video game use and negative consequences are debated, the relationships between video game addiction and negative consequences are fairly well established. However, previous studies suffer from methodological weaknesses that may have caused biased results. There is need for further investigation that benefits from the use of methods that avoid...

This study explores the pathways through which school-based mentoring relationships are associated with improvements in elementary and high school students' socio-emotional, academic, and behavioral outcomes. Participants in the study (N=526) were part of a national evaluation of the Big Brothers Big Sisters school-based mentoring programs, all of whom had been randomly assigned to receive ment...

Spatial layouts can significantly influence the formation and outcomes of social relationships. Physical proximity is thus essential to understanding the elemental building blocks of social networks, dyads. Situating relationships in space is instrumental to formulating better models of collaboration and information sharing in organizations and more robust theories of networks and their effects...

In many Western countries, immigrant children lag behind their native peers in educational attainment, yet there appear to be systematic differences between immigrant groups. We set out to examine (1) if these differential outcomes can be linked to group specific acculturation patterns, following similar processes to those observed at individual level; and (2) to what extent characteristics of ...

background: fractures of distal radius are one of the most common fractures seen by physicians and account for 20% of all fractures seen in the emergency room. various factors contribute in secondary displacement of fracture fragments after anatomic or near anatomic close reduction and cast immobilization in distal radius fractures. this study was designed to examine the correlation between rad...

introduction: ramadan fasting is prescribed by holy quran for every able-bodied, adult muslim and is considered an essential practice for all muslims including pregnant women. the aim of this study was to determine the effect of ramadan fasting on neonatal anthropometric measurements during the third trimester of pregnancy. method: this is a cross-sectional study, carried out on 300 delivering ...

violence and the threat of violence against pregnant women are main barriers to women’s empowerment and equal participation in society. when stress and violence increase in developing societies, women’s safety in the home, workplace and community is often seriously affected. to determine the prevalence of physical abuse in pregnant women and to assess association between physical violence durin...

background:management of acetabular fractures in the senior population can be one of the most challenging injuries tomanage. furthermore, treating surgeons have a paucity of information to guide the treatment in this patient population.the purpose of this study was to determine: (1) demographic and epidemiologic data, (2) mortality rates for nonoperativecompared to operative management at diffe...

helicobacter pylori (h. pylori) is classified as a class i carcinogen. the low infection rate seen in developed countries (8.9%) compared with a high infection rate (52%-98%) in developing countries indicates a strong association between infection prevalence and socioeconomic status. adhesion of h. pylori to gastric epithelial cells is an important aggressive factor. one of the genes that encod...

background: idiopathic thrombocytopenic purpura (itp) is a disease that commonly affects women of reproductive age and is associated with maternal and fetal complications. objective: the aim of the present study was to report the perinatal outcome in pregnant women with itp. materials and methods: twenty one pregnant women with itp admitted in a teaching hospital in tehran, from october 2008 to...