Take a look at the figure below which displays the findings of an ecologic study that was looking at the association between per capita alcohol consumption and coronary heart disease death rates by country.
1. Why is this study considered an ecologic study?
2. What do the findings of the study suggest? What do you think about these findings?
3. What other factors could be playing a role in these findings?
4. What is the true relationship between alcohol consumption and coronary heart disease death rates? Use the article “Alcohol Dosing and Total Mortality in Men and Women” to help you answer the question.
