in the latter of which preoperative health education was found to have no effect on patient mobility. However, such inconsistencies may also be attributable to the guidance we provided to patients after surgery. One strength of our study was that we were able to more accu- rately identify the effects of our intervention on outcomes of the specific surgical group, TKR patients, which may account for conflicting results compared with previous intervention research that included both hip- and knee- replacement patients in the sample.