Implementation and program evaluation
KOA
We will use the RE-AIM implementation and program evaluation framework for this study. We will track the number of participants that complete the study in the peer coach intervention arm and control arm. The feasibility of the study will be assessed by examining the completion of the program (80% of enrolled participants complete the intervention), and satisfaction among participants and peer coaches. We will perform one-sample tests on program adherence and high satisfaction in the Demographics of eligible individuals who chose not to participate will be compared to those who did choose to participate to estimate the magnitude of selection bias and to gain an understanding of how the intervention is reaching a diverse group of people with KOA scheduled for TKR. Other feasibility outcomes include the completion rate of the intervention, duration of the phone calls between coaches and clients, sustainability of peer coaches’ network, and retention of peer coaches.We will invite participants that completed the study and those that drop out to participate in semi-structured interviews regarding their experience with the study. This information will allow us to adapt the intervention for use in in a larger clinical trial. All calls between peer coaches and clients will be recorded and reviewed by the research team to assess the fidelity of the intervention. Peer coaches must have discussed at least 80% of the items in the checklist of each of the sessions to make sure that the intervention is been delivered as intended. We will do additional training for peer coaches that are completing less than 80% of the corresponding session checklist. Table 