Kazem Mohammad

Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.

[ 1 ] - Is the status of diabetes socioeconomic inequality changing in Kurdistan province, west of Iran? A comparison of two surveys

Background: About 80% of deaths in 350 million cases of diabetes in the world occur in low and middle income countries. The aim of this study was to determine the status of diabetes socioeconomic inequality and the share of determinants of inequalities in Kurdistan Province, West of Iran, using two surveys in 2005 and 2009.   Methods: Data were collected from non-communicable disease su...

[ 2 ] - Different patterns of association between education and wealth with non-fatal myocardial infarction in Tehran, Iran: A population- based case-control study

Background: Myocardial Infarction (MI) is a main cause of death and disability worldwide, whichinvolves a number of genetic, physiopathologic and socio-economic determinants. The aim of thisstudy was to assess the patterns of association between education, wealth and some other risk factorswith non-fatal MI in Tehran population.Methods: Data derived from a second round of large cross-sectional ...

[ 3 ] - Prevalence and associated factors of self-reported hypertension among Tehran adults in 2011: a population-based study (Urban HEART-2)

  Background :Hypertension is an important public-health challenge worldwide. The prevalence of hypertension greatly varies across countries. The aim of this study was to estimate the prevalence of self-reported hypertension and to determine related factors in a large random sample of Tehran population in 2011.   Methods : In this cross sectional study, 69173 individuals aged 25–64 years were s...

[ 4 ] - Estimating the Net Survival of Patients with Gastric Cancer in Iran in a Relative Survival Framework

Background: Iran is an Eastern Mediterranean region country with the highest rate of gastric cancer. The present study aimed to evaluate the 5-year net survival of patients with gastric cancer in Iran using a relative survival framework.Methods: In a cross-sectional study, using life-table estimation of relative survival, we reported 1- to 5-year relative survival regarding age, sex, disease st...

[ 5 ] - Sperm Retrieval in Patients with Klinefelter Syndrome: A Skewed Regression Model Analysis

Background The most common chromosomal abnormality due to non-obstructive azoospermia (NOA) is Klinefelter syndrome (KS) which occurs in 1-1.72 out of 500-1000 male infants. The probability of retrieving sperm as the outcome could be asymmetrically different between patients with and without KS, therefore logistic regression analysis is not a well-qualified test for this type of data. This stud...