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Hi, everyone, and welcome to Module 7.

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You've made it about halfway
through the content of Epi 2.

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In the last module, we
reintroduced confounding.

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In this module, we're going
to build on that discussion

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and start talking about the
ways we control for confounding.

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In this module, we talk about controlling

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for confounding using
multiple linear regression.

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This is an advanced statistical technique

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that allows you to control

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for multiple confounders simultaneously.

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To get to multiple linear
regression, we first need to learn

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about simple linear
regression and correlation,

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which is where this module starts.

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There is a lot of
information in this module.

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There's a lot to read and a lot to absorb,

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so please give yourself plenty
of time to do this module.

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This is not one that you want to wait

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for the last minute to get started on.

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You'll also be learning how
to apply these techniques

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possibly for the first time in SPSS,

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so again, give yourself some time to learn

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and please reach out with questions.

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Take care.