Table 1.

Operational definitions of variables

Variable	Operation definition	Reference
Behavior Intention (BI)	The strength of a physician's intention to use MEMR.	Davis et al. 1989 [5]; Davis 1989 [52]
Perceived Usefulness (PU)	The extent to which a physician believes that using a MEMR would enhance their care performance.	Davis et al. 1989 [5]; Davis 1989 [52]
Perceived Ease of Use(PEOU)	The extent to which a physician believes that using MEMR would be free of effort.	Davis et al. 1989 [5] Davis 1989 [52]
Perceived Threat(PT)	The extent to which a physician believes that using the MEMR would decrease their control over the conditions, processes, procedures, or content of their care work.	Walter & Lopez 2008 [15]
Perceived Mobility(PM)	The extent to which a physician can access MEMR at any time and from anywhere.	Zhou 2012 [43]