Figure 4.

Choropleth maps of health outcomes using an equal numerator classification. In an equal numerator classification, approximately the same number of health outcome events are associated with each color representing a class interval in the map. This classification portrays the spatial distribution of the percent of low birthweight births by town in Connecticut in the upper-left diagram and portrays the spatial distribution of Lyme disease per 100,000 population by town in Connecticut in the upper-right diagram. A numerator/denominator cumulative frequency legend associated with each map is presented beneath the respective map.