Check you can take part

You can join the study if you answer Yes to all five questions. Please scroll down to complete all five questions.
If your answer is No to any of the questions, and you want to leave the page, click the exit button on your left.

Have you had knee replacement (total or partial) because of knee osteoarthritis, either through the NHS or a private healthcare provider, between 1st January 2017 and 31st December 2023?