Table 1.

Internal consistency of theoretical dimensions

Dimension	Items used*	Sample item	Cronbach α
Perceived usefulness	11, 15, 19, 23, 27 and 32	The use of the telemonitoring system (TMS) could help me to monitor my patients more rapidly	0.96
Perceived ease of use	12, 16, 20, 24, 28 and 35	I think that I could easily learn how to use the TMS	0.91
Compatibility	14, 21, 29 and 34	The use of the TMS may imply major changes in my clinical practice	0.80†
Subjective norm	17, 22, 26 and 31	Most of my patients will welcome the fact that I use the TMS	0.85
Facilitators	18, 30 and 36	I think that my health centre has the necessary infrastructure to support my use of the TMS	0.82
Habit‡	9	I have already used telemonitoring devices to monitor my patients	---
Intention	13, 25 and 33	I have the intention to use the TMS when it becomes available in my health centre	0.90

^* See Supplementary file for the complete questionnaire.

^† When the item 34 is dropped.

^‡ The variable Habit was assessed using a single item. No Cronbach alpha was calculated.