Facebook Ad Campaigns
knee OA, knee pain
We created 7 separate advertisement campaigns that ran from July 1 through November 30, 2021. The Facebook ad structure includes basic text next to an image. The advertisements are pictured in Facebook advertisements.Clicking on the advertisement directed potential participants to a web-based screening form to answer 6 brief questions related to the study criteria, such as age, activity-related knee pain, management of knee OA, and intention to be more active. If the individual provided answers that made them potentially eligible for the study, REDCap asked them to provide their phone number and displayed a message that a research team member would contact them shortly. If ineligible, REDCap automatically displayed a message that they were ineligible and thanked them for their interest.Lastly, a research team member called individuals who met the criteria from the screening form to confirm their answers within 7 days and then asked additional questions to ensure they met the study inclusion and exclusion parameters. These included the following: a clinical diagnosis of knee OA [