"The population of China is still growing despite a dramatic decline in fertility in the past two decades. There are marked urban-rural differentials in fertility and, as a result, the pace of urbanization has significant effects on population growth. In this research an attempt is made to model urban-rural population growth in China. A demoeconomic model of urban and rural sectors is calibrate...

introduction commuting between urban centers and rural areas is a phenomenon that observed in all countries with different social and economic structure. commuting is a new phenomenon in move of population that emerged with metropolis development. this phenomenon is different with other population movement. because this move does not change in residential place, population work in other place. ...

UNLABELLED INTRTODUCTION: A shortage of health workers is a major problem for Nigeria, especially in rural areas where more than 70% of the population live. At the primary care level, trained community health officers provide services normally reserved for doctors or medical specialists. The community health officers must therefore be supported and motivated to provide effective quality healthc...

background: helicobacter pylori ( h. pylori ) is a global pathogen with a widely varied prevalence (30%-80%) among different countries and populations. this study aims to determine the prevalence of h. pylori in the population of arak, iran. materials and methods: this was an epidemiologic cross-sectional population-based study with multistage sampling. the population of arak according to the 2...

Key Findings. (1) A larger proportion of the rural population than the urban population is uninsured and low income (living at or below 138% of the federal poverty line [FPL]) (9.9% as compared to 8.5%) and a larger proportion of the rural population than the urban population will be eligible for subsidized Health Insurance Marketplace (HIM) coverage due to income levels and current lack of ins...

BACKGROUND Liver cancer is a common cancer with poor prognosis in China. In this study, the national population-based cancer registration data were used to evaluate and analyze liver cancer incidence and mortality in China in 2011 and provide a reference for liver cancer prevention and control. METHODS We collected and evaluated the incidence and mortality data of liver cancer in 2011 from 17...

The association between chronic severe malnutrition and poor mental development as a social and health problem that may lead to a behavioral dysfunction has been reported in several studies. This study has attempted to investigate the relation between stunted children and cognitive measures (IQ). In this study, 1945 school children (845 urban, 1100 rural) have randomly selected by using variabl...

a psychiatric survey has been carried out in a solitary small village located in the fringes of central desert of iran. out of 106 individuals of 15 years old and over, selected randomly, 57 (53.8%) were found to be suffering from psychiatryic disturbances 21 (41.2%) of them were males and 36 (65.5%) were females. depressive illnesses were found to be the most frequntfy encontered disorder. the...