Table 2.

Description of the variables of the research

Variable	Description
Just culture	An atmosphere of trust that workers are encouraged to report essential safety concerns and issues [38]
Management of change	A best practice used to ensure that safety risks are controlled when a plant makes changes in their facilities, documentation, personnel, or operations [33]
Learning culture	How much does the plant respond to problems with denial versus modification? [34]
Risk assessment/management	A systematic process of evaluating the potential risks that may be involved in a process or activity [33]
Preparedness	Actively anticipates various threats and prepares for them [36]
Flexibility	Ability to restructure in response to various changes and variabilities [33]
Reporting culture	Cultivating an atmosphere where employees have confidence to report safety-related issues without fear of blame [33]
Management commitment	Recognizing the human performance concerns and tiring to address them, devoting to safety above or to the same extent as the other goals in the plant [27], [34]
Awareness	Aware of risks and systems' boundaries and know how close it is to their edge [34], [39] as well as aware of the safeguards and procedures efficiency.
Safety management system	Systematic approach to proactively managing safety, including the necessary organizational structures, accountabilities, policies and procedures [33]
Accident investigation	Process of detailed and systematically collecting and analyzing information relating to an accident [33]
Involvement of staff	How much employees are contributed in decision making and planning for safety [33]
Competency	What an employee is capable of doing [40]