Table 2

Summary Topic Guides for professional, managerial and support staff and patient interviews

Health professionals, managerial and support staff	Role in the AKI prevention project Current role How it supported patients to prevent AKI before the project? Preparation for role in sick day guidance/AKI project Specific training/education Additional needs for training/education in the area of AKI prevention	Views of the AKI prevention project Who offered sick day rules/other AKI interventions to? (types of patients) How did you engage with patients What works well and why? (enablers) What does not work well and why? (barriers) Views of its impact on patients Views of the impact on your work and the rest of the healthcare team	Integration with healthcare How do sick day rules/other AKI initiatives, fit/link with other support for AKI prevention? Fit with long-term conditions management and other health needs and services? How do they fit/link with hospital care/social/voluntary sector? Contact/interaction with the rest of the primary healthcare team, secondary care team(s) around sick day guidance/AKI more generally? Which healthcare professionals are best placed to provide AKI prevention support?
Patients	Context/history Length of time of condition/taking medicines Perceptions of health and illness in everyday life Management of medicines and/or acute episodes of illness before the project (whether used a sick day guidance before/blister packs) Difficulties experienced around managing medicines and any needs?	The sick day guidance/other kidney health interventions How they found out about the service? Whether used the card or not? What do they find useful or like about it? What do they not find useful or dislike about it? Do they feel it has helped them? If so, how? Could it be improved? If so, how? Which healthcare practitioners could/should provide the cards? (where and when) Who are sick day cards/other AKI interventions suitable for?	Coordination of care Who is involved in their care? How/where does the sick day guidance/other support provided as part of the project, fit with other services or care received or other self-care undertaken?

AKI, acute kidney injury.