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Evans County Heart Study


The Evans County Heart Study was a long-term cardiovascular study on residents of Evans County, Georgia. The study, which was funded by the National Institute of Health, began in July, 1958, and was last updated as recent as May 2016. It resulted in more than 560 published papers that ultimately showed the importance of HDL cholesterol. The study was conducted by Dr. Curtis Gordon Hames, a family doctor from Claxton, Georgia. The study took place in Evans Country because the area had a high death count due to heart complications, such as heart disease and other cardiovascular diseases. The studies showed that there was a significant abundance of heart conditions within a variety of ethnicities. People as young as fourteen and as old as seventy-four participated in the tests, and were divided into different age groups; however only males were eligible for the study. Anyone as old as one-hundred years old could be eligible, and any younger.

The study involved 6,596 people from Evans County and 3,921 people from Bulloch County. The study population from Evans county consisted of African-American and Caucasian males, ages 40–74, along with a 15-39 year old group that were involved in other studies. Then, the people were divided up into 10 random, equal in size, random samples. Also, a 50% random sample of the 15-39 year old group was taken by including people from the first five samples solely. By comprising this type of sampling, secular trends in disease patterns, along with possible aging of laboratory reagents were randomized.

The study was done in Evans County, Georgia. Evans County is located in the southeastern portion of the United States. It is situated on the coastal plain estimating around 60 miles inland from the seaport of Savannah, GA. Around half of the population lives on farms while the other half lives in meager little villages. An example is Claxton. Claxton is a town that has a population of 2,000, about 40 percent of which is black. The white population of Evans County was large enough to provide an adequete number for the study, but the black population was considered too small and some blacks from the Bulloch county were incorporated into this study.


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