Table 3.
Usability survey results.
| Statement or question (n=7) | Response |
| I could use a smartphone with no problem. (n [%]) | 5 (71) |
| I could use a weight scale with no problem. (n [%]) | 6 (86) |
| The interface of the data registration was easy to use. (n [%]) | 7 (100) |
| The interface of the data browsing was easy to watch. (n [%]) | 6 (86) |
| The instructions were easy to understand. (n=5a) (n [%]) | 5 (100) |
| The devices caused me physical discomfort. (n [%]) | 0 (0) |
| I easily incorporated using the system into my daily routine. (n [%]) | 5 (71) |
| Using the system gave me a sense of security. (n [%]) | 7 (100) |
| Participation in the study helped me to improve lifestyle and dialysis self-management. (n [%]) | 6 (86) |
| Using the system caused me some problems. (n [%]) | 1(14)b |
| How much time did you spend using the system per day? (minutes, mean [SD]) | 7.7 (3.9) |
| Is the system worth using for the time you spent? (n [%]) | 6 (86) |
| Did this system give a positive impact on your dialysis management? (n [%]) | 6 (86) |
| Would you like to continue using this system? (n [%]) | 5 (71)c |
aTwo participants answered that they did not use the instructions.
bOne participant felt that using the SMART-D was time-consuming.
cThe reasons given by the participants are shown in Table 4.