a multi-center observational study of men and women
The OAI is a nationwide research study,
sponsored by the National Institutes of Health (part of the
Department of Health & Human Services), that will help us
better understand how to prevent and treat knee osteoarthritis, one of the most common causes of disability in adults.
Important: OAIOnline is intended as a means
to learn about and retrieve the data collected in the Osteoarthritis Initiative.
By using OAIOnline, users imply understanding of these intended uses and agree not to use the website
or downloadable materials for any other purpose.
Create an account now!
You must have an account and accept the terms of a Data Use Agreement before you can download or explore clinical data.
Please go to My Account and create a new account now.
Tutorial: Where do I begin? Try the clinical data tutorial
which walks you through the variety of tools available on OAIOnline for touring and understanding the data.
Search/browse:Search/browse a database of categorized variable documentation
displayed longitudinally with links to statistics, comments, and annotated data collection forms.
My Cart: Create a personal cart of variables of interest that
can be used 1) to build a custom codebook able to be
read offline, and 2) to filter downloadable datasets.
DataExplorer: Use DataExplorer
to generate descriptive statistics: cross tabs, subsets, frequency distributions and more. Note this tool requires an account and acceptance of the terms of a Data Use Agreement.