Map 4: Number of Children Under Age Six Years Newly Identified with Blood Lead Levels ≥ 10 mcg/dL by County, Three-Year Average, 2005 - 20071; New York State Excluding New York City
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Map 4 groups counties into clusters defined by the number of incident cases of BLLs ≥ 10 mcg/dL among children under age six years for 2005 through 2007. A three-year average is calculated to account for year-to-year variation in this measure. The three-year annual average number of incident cases in NYS, excluding NYC, for 2005 through 2007 was 2,094. The map graphically depicts the variation in incidence among counties across the state. County clusters were established based on the natural break statistical method, which groups county-level incidence values into categories that optimize both the similarity of values within each category and the differences in values between categories. Counties with the highest three-year annual average number of incident cases of childhood lead poisoning between 2005 and 2007 are highlighted in the darkest shade, while those with the lowest number of cases are highlighted in the lightest shade.
As shown on Map 4, eight counties fall within the cluster of highest number of annual incident cases. The majority (65.9 percent of cases outside of NYC) of children newly identified with BLLs ≥ 10 mcg/dL resided in Erie, Monroe, Onondaga, Westchester, Oneida, Orange, Albany and Nassau counties.
|County||Number of Newly Identified with Blood Lead Levels ≥ 10 mcg/dL|
- Data ranges established based on the natural breaks method