Table 1 Factors in the Accident Causation Model [6]

1. Institutional context

• Economic and regulatory context

2. Organisational and management factors

• Financial resources and constraints

• Organisational structure

• Policy standards and goals

• Safety culture and priorities

3. Work environment

•Staffing levels and skills mix

• Workload and shift patterns

• Design, availability, and maintenance of equipment

• Administrative and managerial support

4. Team factors

• Verbal communication

• Written communication

• Supervision and seeking help

• Team structure

5. Individual (staff) factors

• Knowledge and skills

• Motivation Physical and mental health

6. Task factors

• Task design and clarity of structure

• Availability and use of protocols

• Availability and accuracy of test results

7. Patient characteristics

• Condition (complexity and seriousness)

• Language and communication

• Personality and social factors