Table 1. Sample questions for the semi-structured interviews.

Topic	Sample questions
Knowledge and attitudes towards prevention of PIs	How have you acquired your knowledge about the prevention and treatment of PIs? What have you learnt from the experience of having a PI? How did you react the last time that you had a redness of the skin? What kind of feelings does the thought of developing PIs causes you?
Strategies and techniques for preventing PIs	What are you doing specifically to prevent PIs? Do you have any successful measure? What is for you the most difficult thing in preventing PIs? Have the challenges of prevention of PIs changed over time? How? How does your behavior differ from the generally taught preventive measures?
Actors involved in the prevention of PIs	How do you organize the tasks in relation to the prevention of PIs? Is there anyone helping you for some tasks? Who? How does the collaboration with the homecare services work for the prevention of PIs? Would you need more support to better prevent PIs (in the future)? Which kind of support?