Table 5 Key findings of the K-DPP implementation evaluation

• Home visits that guaranteed reasonably high reach, made by a trustworthy community-based organisation;

• Peer leader training program that was feasible to deliver, easy enough to receive and relatively short but managed to provide skills needed, as perceived by peer leaders and participants;

• Educational resource materials were perceived useful and actively used by peer leaders and participants;

• Support provided by family and friends;

• Involvement of experts to provide information that targeted knowledge gaps that peer leaders and participants also found salient;

• K-DPP intervention team’s ongoing support to peer leaders;

• Local resource person with a broad role to support peer leaders in practical arrangements as well as link with community; and

• Engagement of community organisations and members to practical activities.

• Timing and venue for peer leaders training to increase accessibility;

• Timing and location for group sessions, possibility to replace/complement face-to-face meeting with other delivery modes;

• Inclusion of additional group activities such as arranging regular physical activity classes for group participants; and

• Inclusion of additional sessions from diabetes experts.