From the course: Designing Big Data Healthcare Studies, Part One

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Definition of exposure and outcome

Definition of exposure and outcome - R Tutorial

From the course: Designing Big Data Healthcare Studies, Part One

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Definition of exposure and outcome

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- [Instructor] In this video we will discuss the terms exposure and outcome. We will also talk about two types of analytic approaches. In epidemiology we define two different ways we can approach an analysis. We can do an exploratory analysis or a hypothesis-driven analysis. Let's define exploratory analysis. This type of analysis describes the data but does not presuppose a hypothesis, objective, or research question. Contrast this to a hypothesis-driven analysis. This type of analysis is used to address a hypothesis or answer a research question. Let's consider some examples of each. For exploratory analysis, there are different simple and complex approaches to this as I've listed on the slide. However, it is always easier to do an exploratory analysis overall, because you can just go where you want to with the analysis. You're not restricted to trying to answer a hypothesis. But in a hypothesis-driven analysis,…

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