There are all sorts of models out there for performing regressions. This page focuses on 3 that are used for binary outcomes: Getting set up Before you get going, you want to explicitly define your outcome of interest (aka dependent variable), primary exposure (aka independent variable) and covariates that you are adjusting for in your …
Category Archives: Summer Students
Part 7: Making a table for your outcome of interest (Table 2?)
As we learned in part 5, Table 1 describes your analytical population at baseline by your exposure. For those using a continuous variable as an exposure, it’s by quantile (e.g., tertile, quartile) of the exposure. I propose a table known as “Table 2” that describes the outcome of interest by the exposure used in Table …
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Part 6: Visualizing your continuous exposure at baseline
Visualization of your continuous exposure in an observational epidemiology research project As we saw in Part 5, it’s important to describe the characteristics of your baseline population by your exposure. This helps readers get a better understanding of internal validity. For folks completing analyses with binary exposures, part 6 isn’t for you. If your analysis …
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How I use the Zotero reference manager for collaborative grants or manuscripts
Why Zotero? Zotero is an excellent and free reference manager that is my go-to for writing grants and manuscripts. It has some very handy features, like word processor plugins, web browser plugins that will grab PDF versions of documents if available, and ability to share “group libraries” with collaborators. It has all of the standard …
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Part 4: Defining your population, exposure, and outcome
Importing and merging files Odds are that you will get raw data to work with that is in a CSV, sas7bdat, Excel’s xlsx file format, or something else. Stata can natively import many (but not all) file types. The simplest thing to do is use the –import– command then immediately save things as a temporary …
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Part 2: Effective collaborations in epidemiology projects
Pin down your authorship list Determine authorship list before you lift a finger on any analysis and get buy-in from collaborators on that list. Stay organized Have one folder where you save everything, and have subfolders within that for groups of documents. I suggest these subfolders: …and keep relevant documents within each one. You might …
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Part 3: Introduction to Stata
Note in 2023: We are using R and not Stata this summer so this post doesn’t apply to this year’s projects. Stata is a popular commercial statistical software package that was first released 30+ years ago. It has some really nice features, loads of top-rate documentation, a very active community, and approachable syntax. For beginners, …
Summer medical student research project series Part 1: Getting set up
Summer goals and expectations Hi there! Thanks for expressing interest in working on an epidemiology project with me this summer. This project will entail: My expectations for all LCOM summer students are: Things to set up now. Zotero I use Zotero as a reference manager. It’s the bomb diggity. We will share references in a …
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