Study Design and Participants
RECRUITMENT
We use data from on an ongoing study that is remotely recruiting 100 adults with knee OA over 16 months. Our recruitment goal was to ramp up to enrolling 6 adults per month who met the study criteria, starting in the fourth month of the trial. In sum, we had a goal of recruiting 22 study participants within the first 5 months of the study, based on a prior pilot study with the same recruitment method. Briefly, the study randomizes consenting participants into either a brief intervention of web-based resources or expanded intervention of physical therapist–prescribed, virtually delivered exercises with outcome measures taken at baseline, 12 weeks, and 24 weeks. The study criteria require participants to be at least 45 years old, meet a clinical diagnosis of knee OA, [