What factors may contribute to mortality rates? We've built this interactive tool so that you can investigate trends in your primary care trust.: The Index of Multiple Deprivation (IMD) considers economic, social and housing issues. Higher score indicates more deprivation: A score which indicates the gap in life expectancy between the economically best and worst off in an area. Higher score indicates more health inequality: The proportion of people that die at home: Indicate the location of 14 health trusts included in the Keogh Mortality Review