Analysis on death cause of residents in flood disaster areas in Dongting lake, Hunan province

  Objective   In order to find out the effects of flood disaster on the death level and proportional mortality rate.

  Methods   Through stratified sampling, some areas suffered from flood disastr during 1995-1999 and the control areas that not suffered from flood from 90.s were chosen.

  Results   The mortality rate in flood disaster areas was higher than that of the control(685.33×10 ^-5 vs 609.99×10 ^-5).The order of death cause was same in the two residents, the respiratory and circulatory system diseases were the main death cause.The mortality rates of injury, poison and malignant tumors in the flood disaster areas were higher than that in non-flood areas too.

  Conclusion   The flood disaster resulted in the increase of mortality.Intervention measures on decrease should beenforced.