Table 3.

Interview topic guide based on the framework of Grol et al. [16]

Interview guide
Characteristics of interview Semi-structured individual interview Approximately 30-60 minutes Participant informed about purpose of interview Audio recorded
Purpose of interview To obtain an overview of the barriers and facilitators experienced by healthcare professionals in the use of PROMs in daily colorectal, breast and gynaecological oncological care.
Topics, questions and potential sub-questions Can you introduce yourself briefly? Tell us your name, your profession and your workplace? Are PROMs being used in your clinic? If so: tell us something about the use of PROMs in your clinic:   - How are PROMs collected?   - Which PROMs are asked to complete?   - How many times are patients being asked to complete a questionnaire and how often does this actual happen?   - Is feedback of the completed questionnaires being provided to yourself and the patients?   - How is the organisation of PROMs financed? Do you have experience in using PROMs yourself? What is your opinion regarding PROMs? And how is that of your colleagues? Are you satisfied with the way the PROMs are organised in your clinic?   - What are ways to improve this organisation? How does using PROMs influence your consultation? What do the patients tell you about the use of PROMs?   - Are patient willing to participate? Are there any other issues you want to say about the subject that we have not discussed yet?