Table 2.

Semi-structured interview guide

Main topics	Examples of questions
Medication incident reports	What is the cause of the increase or decrease in the number of medication incident reports within the organisation? What could explain the national trend showing an increasing number of reports of medication incidents?
Medication safety level	What were the main conclusions with regard to medication safety during the visit of the IGZ in 2010? What is the current medication safety level within the organisation?
Safety improvement measures	Which measures for improving medication safety were taken by the organisation in recent years and why?
Supervision	What was the effect of the IGZ’s supervision on the medication safety level within the organisation? Did collaboration with other institutions or organisations contribute to the improvement in medication safety and why, or why not?