How to achieve better effect of peer support among adults with type 2 diabetes: A meta-analysis of randomized clinical trials

• We evaluated the general effect of peer support on glycemic control.
• Peer support provided by patients themselves or nonprofessionals had better effect.
• Peer support of Home-visit and Curriculum-combined-reinforcement had better effect.
• Duration of peer support with the best cost-effectiveness is >3 and ≤6 months.

ObjectivesTo study the effects of peer support on glycemic control and examine effects of different providers and types of support, intervention duration and effect duration.