Table 1 Key questions asked in the semi-structured interviews

• Can you tell me about your current role and background? (professional stakeholders) / Can you tell me about you and your involvement in PPI (Patient and Public Involvement)? (patient representatives)

• Can you describe what ‘integrated care’ means to you?

• Can you tell me why you think integrated care is important?

• If health and social care services are well-integrated, what benefits would you expect to see?

• What aspects of integrated care do you think should be evaluated?

• Do you know of any measures or tools that can be used to evaluate integrated care?

• What factors do you consider when deciding which outcome indicators to use? (professional stakeholders only)

• Do you think currently available measures are sufficient for evaluating integrated care, or are there areas where new metrics are needed? (professional stakeholders only)

• What do you think is the best way to assess the impact of integrated care for patients and service users?