Summary of effect of peer-led interventions in type 2 diabetes
| Study population | Intervention | Sample size | HbA1c change in control at 6 months (%) | HbA1c change in intervention at 6 months (%) | Difference % |
|---|---|---|---|---|---|
| African–American in Baltimore (P2P) | Social networks of peers | n=138 | −0.50 | −0.81 | −0.32 (p=0.001) |
| Mostly non-Hispanic white, high A1c26 | Online with peers | n=119 | −0.06 | −0.68 | −0.61 (p=0.01) |
| Latino27 | Automated telephone reinforcement | n=417 | −0.05 | −0.41 | −0.36 (p=0.04) |
| VA population28 | Reciprocal peer support via an interactive telephone platform | n=244 | +0.29 | −0.29 | −0.58 (p=0.004) |
| Low income in San Francisco29 | Peer coaches | n=299 | −0.30 | −1.07 | −0.77 (p=0.01) |