Table 3.
Effect size (MD) of peer support interventions (or number of significant findings of primary studies)
| Quality of life | Self-efficacy | Clinical surrogates | Depression | Distress | Health knowledge | |
|---|---|---|---|---|---|---|
| Asthma | ||||||
| Kew 2017 | n = 3, 0.40 (95% CI − 0.02 to 0.81) favouring peer support | |||||
| Cancer | ||||||
| McCaughan 2017 | n = 3, −0.11 (95% CI − 0.47 to 0.24) favouring peer support | n = 5, −0.37 (95% CI − 0.75 to 0.00) favouring peer support | ||||
| Cardiovascular disease | ||||||
| Small 2013 | HBA1c n = 4, −0.26 (95% CI − 0.41 to − 0.11, I2 = 47.6% favouring peer support; Blood pressure n = 1, − 0.25 (95% CI − 0.45 to − 0.05) favouring peer support | |||||
| Diabetes | ||||||
| Kong 2020 | n = 10, −0.06 (95% CI − 0.22 to 0.10) favouring peer support | |||||
| Krishnamoorthy 2018 | HBA1c n = 26, −0.28 (95% CI − 0.45 to − 0.11) favouring peer support | |||||
| Qi 2015 | HBA1c n = 13, −0.57 (95% CI − 0.78 to − 0.36) favouring peer support | |||||