Table 1. Constructs in SafeHIT.

Component	Construct	Definition	Items resources	Initial number of items
Person	Competence	The extent to which users know how to use HIT. 37 Competence is measured according to the knowledge of HIT and typing skills.	• Semistructured interview and findings of previous studies 38 39	5
Technology	System quality	The degree of quality performance of information system. 40 SafeHIT focuses on four system quality factors which are usability, compatibility, reliability, and response time.	• Instruments 41 • Semistructured interview and findings of previous studies 42 43	11
	Information quality	The degree of quality information provided by the information system. 40 The SafeHIT focuses on completeness, relevancy, and timeliness dimensions of information quality.	• Instruments validated 44	7
	Service quality	The degree of quality service delivered by the IT department to users. 40 The SafeHIT focuses on responsiveness, assurance, and tangible dimensions of service quality.	• SERVQUAL instrument tested 45	5
Organization	Organization resources	The extent to which organizational resources are available to support safe patient care. 46 The organization resources include staff, computer equipment, time, and policies or procedures associated with the safe HIT use.	• Instruments developed and validated 14 46 • Semistructured interviews and findings of previous study 47	5
	Training	The extent to which training related to HIT is given to HIT users. 48	• Instruments developed and validated 49 50 51	5
	Teamwork	The extent to which health care practitioners work together to achieve a specific and shared goal. 52	• Instruments developed and validated 14 53 • Semistructured interviews and findings from previous study 54	5
Task	Task-related stressor	The extent to which task-related factors affect an individual and require extra coping strategies which are present during a job. 55 The SafeHIT focuses on four types of task-related stressors, namely time pressure, workload, cognitive load, and interruptions.	• Instruments validated 55 56	5
HIT use	Workarounds	Alternative procedures are employed by health care practitioners to accomplish a task in response to a misfit between HIT and existing work processes. 57 58	• Semistructured interviews and findings from previous studies 58 59 60	5
	Vigilance	Careful action or attention to avoid potential errors or risks.	• Semistructured interviews and findings from previous studies 61 62	4
	Copy and paste	To copy patient-related information from the previous entry and put it in the new entry of HIT.	• Semistructured interviews and findings from previous studies 63 64	3
	Procedure compliance	The act of complying with a procedure of HIT usage.	• Semistructured interviews and findings from previous studies 36 65	5
HIT use outcomes		The extent of belief of HIT users that using HIT contributes to the quality of care and the safety of the patient. 13 66	• Instruments developed and validated 14 49 • Semistructured interviews and findings from previous study 67	5

Abbreviation: HIT, health information technology.