low back pain (lbp) is likely the most common medical disorder among work population. in this survey, prevalence of lbp and pain severity and the association of them with occupational and non-occupational risk factors were specified among office workers in baqiyatallah university of medical sciences, tehran, iran in 2006 in this way the point prevalence of lbp and pain severity among office wor...

background: p cesarean delivery rates have been increasing throughout the world. parallel to the developments in the world the cesarean rate in turkey has risen to 48.1% in 2013. some of the social factors were related with cesarean births. the purpose of this study was to determine cesarean birth rates and to find out social factors affecting the cesarean birth in primiparous women. methods: t...

This contribution is interested in the interactional management of mobile phone use face-to-face encounters. Early observational studies have emphasized tension between participants’ presence “public” spaces and their “private” activities on phones. assumed dichotomy possible conflict different communication involvements will be revisited by using a conversation analytic approach to video recor...

1. The survey and the experiment Cultural Changes in the Netherlands is a longitudinal survey in which a representative sample of the Dutch population aged 16 and over is interviewed at regular intervals. The survey was carried out annually until 1998, since when it has been held every two years. The aim of the project is to construct opinion time series. The questionnaires used consist of sele...

Recent comparative evidence suggests that anthropoid primates are the only vertebrates to exhibit a quantitative relationship between relative brain size and social group size. In this paper, I attempt to explain this pattern with regard to facial expressivity and social bonding. I hypothesize that facial motor control increases as a secondary consequence of neocortical expansion owing to corti...