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The Most Read article in @AmJEpi is a simple, but important, 2013 paper on gun ownership & suicide death in the US.
Critics argue you can’t make cause & effect conclusions based on ecological studies, but is that always true?
Let’s discuss! #epiellie
academic.oup.com/aje/article/17…
Critics argue you can’t make cause & effect conclusions based on ecological studies, but is that always true?
Let’s discuss! #epiellie
academic.oup.com/aje/article/17…
So let’s start with some background. What is an ecological study?
It may sound like it’s about the environment, but that’s not really true.
In epidemiology, an ecological study is one where all data about groups not individuals.
It may sound like it’s about the environment, but that’s not really true.
In epidemiology, an ecological study is one where all data about groups not individuals.
What does that mean?
For example, we might know how much chocolate per capita is eaten in countries around the world and we might also know how many Nobel Prize winners each country has had.
nejm.org/doi/full/10.10…
For example, we might know how much chocolate per capita is eaten in countries around the world and we might also know how many Nobel Prize winners each country has had.
nejm.org/doi/full/10.10…
