Table 2.
Summary of study characteristics
| n | ||
|---|---|---|
| Country of investigation | USA | 9 |
| Malawi | 1 | |
| Nigeria | 1 | |
| Uganda | 1 | |
| Ethiopia | 1 | |
| Kenya | 2 | |
| South Africa | 1 | |
| India | 1 | |
| Tanzania | 1 | |
| Mexico | 1 | |
| Total | 19 a | |
| Location | Urban | 11 |
| Rural | 5 | |
| Urban and rural | 3 | |
| Total | 19 a | |
| Implementing organisation(s) | Community health organisation | 3 |
| Clinic | 8 | |
| Hospital | 2 | |
| Clinic and community health organisation | 2 | |
| Correctional or post-release services | 2 | |
| Total | 17 a b | |
| Study designs | RCT | 6 |
| Quasi-experimental or pragmatic trial | 5 | |
| Longitudinal/panel | 4 | |
| Mixed Methods | 3 | |
| Cross-sectional | 1 | |
| Qualitative | 8 | |
| Total | 27 | |
| Term or title for peer intervention | Peer navigation | 11 |
| Patient navigation | 1 | |
| Peer support | 1 | |
| Mentor or expert mothers | 2 | |
| Peer Mentor | 1 | |
| Multiple | 1 | |
| Local language term | 2 | |
| Total | 19 a | |
|
a total combines related studies investigating the same program or implementation setting. b only includes implemented interventions and programs. | ||