Table 3 Effect size (MD) of peer support interventions (or number of significant findings of primary studies)
From: Peer support for people with chronic conditions: a systematic review of reviews
| Â | 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 |  |  |  |