background: acquired immune deficiency syndrome (aids) was firstly reported from california and soon became a pandemic in the world.this disease poses seriousthreats to humans’ health.in this study, we intended to examine the characteristicsof hiv-positive patients whoreferred to the behavioral diseases consultation center (bdcc) in shiraz, iran.   methods : this was a cross-sectional descripti...

 About 25 years ago, McCullagh proposed a method for modeling univariate ordinal responses. After publishing this paper, other statisticians gradually extended his method, such that we are now able to use more complicated but efficient methods to analyze correlated multivariate ordinal data, and model the relationship between these responses and host of covariates. In this paper, we aim to...

A number of epidemiologic studies have reported a positive relationship between heart rate, cardiovascular disease and mortality. To examine the correlation between heart rate and mortality after acute myocardial infarction (AMI), 2147 patients hospitalized in coronary care units in Isfahan were investigated in a cross-sectional study. Their heart rate was measured according to an electroca...

background: profile of acute poisonings varies from country to country depending on the ease of availability of substances and socio-economic condition of people; however, very little information from the united arab emirates (uae) have been published, so far. this study was designed to find out the most common causes of overdose and poisoning in patients admitted to the emergency department of...

objectives in this section, we studied dietary and other factors related to the effect of lifestyle in type 2 diabetes. these factors may affect the incidence of type 2 diabetes which could be corrected by lifestyle modifications. background prevalence of type 2 diabetes is increasing rapidly worldwide. recent data is reprehensive of increasing diabetes prevalence from 285 millions in 2010 (6.4...

BACKGROUND Interest in the health effects of particulate matter (PM) has focused on identifying sources of PM, including biomass burning, power plants, and gasoline and diesel emissions that may be associated with adverse health risks. Few epidemiologic studies, however, have included source-apportionment estimates in their examinations of PM health effects. We analyzed a time-series of chemica...

During the past several years there has been a growing interest in epidemiologic investigation, particularly in the field of non-infectious diseases. Although a few books devoted to epidemiology are available, for the most part the subject has been presented in public health and preventive medicine textbooks, in which methodology has often taken second place to a descriptive epidemiology of spe...