RecruitingBehavioural interventionImproving Total Knee Arthroplasty Dissatisfaction Through a Personalized Approach Focusing on PROMs PhenotypesThis study is a randomized controlled trial to assess whether the implementation of a TKA Personalized Outcome Prediction Tool to set expectation, in addition to targeted interventions to address patients with poor baseline mental health and poor physical function, improves satisfaction at 1-year (when compared to standard of care).