Generally, more than 60 percent of land in cities and around 40 percent in small towns are utilized as housing areas. The present research aims to investigate the price of urban housing lands in Iran during the years 2001-2011 in different provinces. The method of research used in this paper is descriptive/ analytical method. After gathering the data in this regard via the Central Bank of Iran,...

The declining incidence of hepatitis A virus (HAV) infection in the Islamic Republic of Iran may be reducing the population's natural immunity. This was the first systemized, population-based survey of the seroprevalence of HAV antibodies in urban and rural inhabitants of Sari, Mazandaran province. Serum from 1034 individuals aged 1-25 years in 2007 were tested for anti-HAV lgG antibody using a...

BACKGROUND There are large differences in the prevalence of atopic disease between urban and rural areas of developing countries, without good explanation. Diet has been associated with atopic disease, but studies of specific nutrients are contradictory, cross-sectional studies often being unsupported by trials. We investigated diet as an explanation for the difference in the prevalence of atop...

aging coefficient (ac) or aged-child ratio or age composition; takes into account the numbers and areas at both ends of the age distribution simultaneously. ac is the total number of individuals aged 65 years and more, divided by the total number of individuals aged 14 years, multiplied by 100. herein, age composition in iranian popu1ations, according to different provinces, place of residence ...

background: the aim of present work was to evaluate the drinking water quality from various regions including both urban and rural areas of hamadan province, western iran. methods: in this cross-sectional descriptive study, the samples were collected for a periods of 12 months between january 25, 2014 and january 25, 2015 from frequently used household taps as well as from municipal and communa...