Table 5. Process evaluation of the mHealth strategy at the 18-month follow-up.

Characteristics	N=39 n (%)
Messages
Always read the messages	27 (69.2%)
The messages help you a lot to improve your foot care	29 (74.4%)
The messages help you a lot to remember to use the device	27 (69.2%)
Understanding of the messages
Daily thermometer usage	37 (94.9%)
Use of the TempStat™ during the morning	39 (100.0%)
Correct identification of alarm sign	30 (76.9%)
Correct actions if an alarm sign was detected	30 (76.9%)
Use of warm water to wash your feet	32 (82.1)
Avoid utilization of tight shoes	39 (100%)