The Dartmouth Atlas website [link: http://www.dartmouthatlas.org ] provides a wonderful capstone to years of research in small area analysis. Not only does the website review the famous atlas of health care, but it also interactive programs for comparative analysis, research articles, lectures and presentations, many tools for data review and analysis as well as detailed instructions on how to use key functions.
How can you use this information? Estimating community health use is possible for regional areas particularly if the analysis isn't overly sensitive to very discrete areas. The above graph, for example, can help provide a quick estimate of physician visits for end of life care compared across regions.
Take a tour of the site -- quite helpful to get a good understanding of health services variation along a number of dimensions.
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