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The North Carolina Health Atlas

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Currently, The North Carolina Health Atlas includes over fifty maps portraying the state's Leading Causes of Death and Infant Mortality (LCDIM) for the periods 1993-1997 and 1994-1998. Also included is a set of maps that describes how much reduction in the county mortality rates is needed to meet the national Healthy People 2010 Objectives, which were published in January 2000. There are now available two mapped time series (1982-1997) showing syphilis and tuberculosis rates by county and a map set, based on the 1999 Pocket Guide, that portrays county demographic, economic, and health resources data. In the near future, the Health and Spatial Analysis Unit will be adding selected health indicators relating to pregnancies, which are also found in the 1999 Pocket Guide. Many of the data used in developing these atlas maps are found in the County Data Book, which is also produced by the Center. Another upcoming feature of this Atlas will be the County Health Profiles. The Profiles will present a variety of population health data and information developed at the State Center for Health Statistics in an integrated form of tables and charts.

The generation of maps in this Atlas is dynamic, which means that the individual map is created when selected. Therefore, it will take a few seconds to generate. The Health and Spatial Analysis Unit used Environmental Systems Resource Institute's (ESRI) Internet Map Server to create this atlas.

Technical Note
The county mortality rates for the LCDIM are categorized using a clustering or grouping algorithm that maximizes inter-category variation and minimizes intra-category variation. In this way, individual county rates are most like each other (minimum differences) within each category. The HP 2010 maps are categorized by meaningful percent categories. Each category is then depicted with different color shades ranging from lighter to darker, representing lower to higher rates, respectively. (This technique of mapping rates is also known as choroplethic or range mapping.) The mortality rates for the period 1993-1997 are age-adjusted to the 1990 North Carolina Standard Population. For the 1994-1998 maps, the rates are age-adjusted to the U.S. 2000 Standard Million Population. The age-adjustment of death rates, as opposed to crude rate calculation or the unadjusted death rate (see Glossary), is a mathematical modification of a county's population age structure that will permit a comparison of rates with other counties within the state that are using the same standard population. Not all maps in the Atlas are age-adjusted. Other technical details pertaining to a specific map series will be available as a link when visiting those maps.

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File Last Updated Friday March 09 2012