background: the effect of poor psychosocial work conditions on health status has widely been discussed in occupational literature. job content questionnaire (jcq) is a widely accepted instrument for evaluation of psychosocial work conditions. objective: to determine the reliability and validity of persian version of jcq. methods: the questionnaire was translated into persian and back translated...

BACKGROUND Sickness absence is a problem in many Western countries. Physicians have an essential role in sickness certification of patients, which is often recommended in health care but may have side effects. Despite the potentially harming impact of sickness absence, physicians have very limited training in insurance medicine, and there is little research on sickness certification practices. ...

BACKGROUND During the last two decades, researchers have devoted considerable attention to the role of maternal feeding behaviors, practices, and styles in the development of obesity in young children. Little is known, however, about the consistency of maternal feeding across settings and time. The purpose of this paper was to provide data on this issue by examining the consistency of observed ...

This research aims to study the effect of using digital (web-based) analyses in performance measurement and optimization of digital marketing in digital-based companies in Tehran. The data collection tool was a researcher-made questionnaire. A panel of experts and supervisor were asked to measure the validity of the questionnaire. For reliability analysis of this tool, Cronbach’s alpha test was...

background: alcohol dependence (ad) is a major reason for morbidity and visits to emergency medical settings. however, the detection of ad is often difficult or overlooked. this study aimed to develop a brief screening questionnaire in hindi language for detection of ad in an emergency medical setting. methods:  the authors in consultation devised a set of questions related to ad in the hindi l...

Analyses of a construction related Risk Perception Questionnaire (n=194) and ten distributions of a Safety Climate questionnaire, sampling a total population of 1325 personnel from three industrial sectors (Manufacturing, Chemicals and Foods) consistently revealed statistically significant differences between occupational groupings in their perceptions of risk. Multiple regression analyses prov...