Limitations of the study
This study had some limitations. First, as the participants were mainly older adults aged ≥60 years, it took some time to learn how to use the tablet devices. In addition, although the telenursing system used in this program was created for older adults, several home visits were required because the participants could not address issues regarding the communication environment or the applications by themselves. This may have had some impact on the evaluation of this study. Future studies should improve the communication environment and the methods of the system to make it more convenient for older patients. In comparison with a previous study [