Methods
This retrospective study was to gather information and documentation on a census of all floods occurred between 1991 and 2013 has been done in the Golestan province. To collect information on the basis of the available information in the health centers, the Department of Natural Resources has been done. Excel Worksheet was used for data entry. SPSS software was used to analytical statistics. A conventional significance level of P< 0.05 was used. To map vulnerable areas, floods spatial data by GIS software is provided on [Figure 2]. The data in this paper were obtained from the Form flood country. The survey was conducted in all districts of Golestan province [Figure 1]. In each district, a severely flooded commune and a less affected commune (control commune) were selected with reference to the district's Form flood, all information related to the years 1991&# 8211; 2013 has been recorded. There were 514 forms checked out. Data quality was controlled by the field supervisors as well as by the investigators of this survey.{Figure 1}{Figure 2}