Table 1

Theoretical sampling framework outlining the three axes of diversity (programme/setting/ role) that generate 12 different participant groups

Sampling matrix
Organisational leadersImplementation leadersStaffPatients/service users and their families/carers
Best for You stakeholdersAcuteGroup 1Group 3Group 5Group 7
CommunityGroup 2Group 4Group 6Group 8
External stakeholdersAcuteGroup 9N/AGroup 11N/A
CommunityGroup 10N/AGroup 12N/A