Table 2.
Characteristics of interventions
| References | Type of peer support | Mode of delivery | Format | Communication type | Frequency | Length of intervention | Facilitator | Lived experience involvement |
|---|---|---|---|---|---|---|---|---|
| Akers et al. [27] | In-person group meetings | In-person | Group | Synchronous | Monthly | 1–2 years | Health professional (Nurse) | None |
| Bender et al. [28] | Online/telephone one-to-one support | In-person; Online; Telephone | One-to-one | Synchronous | Variable | 1–3 months | Cancer survivor | Some |
| Canella et al. [29] | Online cancer survival stories | Online | One-to-one | Asynchronous | 24-h availability | Not reported | No facilitator | Some |
| Changrani et al. [30] | Online group meetings | Online | Group | Synchronous | Weekly | 30 weeks | Trained non-healthcare professional | Some |
| Crane-Okada et al. [31] | Telephone one-to-one support | Telephone | One-to-one | Synchronous | Weekly | 7–12 months | Trained non-healthcare professional | None |
| Gotay et al. [32] | Telephone one-to-one support | Telephone | One-to-one | Synchronous | Weekly | 4–8 sessions | Cancer survivor | None |
| Harmon et al. [33] | Online forum | Online | Group | Asynchronous | 24-h availability | 7–12 months | Trained non-healthcare professional | None |
| Hirayama et al. [34] | Online group meetings | Online | Group | Synchronous | Monthly | Not reported | Trained non-healthcare professional | None |
| Houts et al. [35] | Telephone one-to-one support | Telephone | One-to-one | Synchronous | Variable | 3 calls | Cancer survivor | Some |
| Hoybye et al. [36] | Online forum | Online | Group | Synchronous | 24-h availability | 13 months | No facilitator | None |
| Kaal et al. [37] | Online forum | Online | Group | Asynchronous | 24-h availability | Not reported | Trained non-healthcare professional | Some |
| Klemm [38] | Online forum | Online | Group | Asynchronous | 24-h availability | 12 weeks | Health professional (Social worker) | None |
| Kosugi et al. [39] | Online forum | Online | Group | Asynchronous | 24-h availability | Not reported | Trained non-healthcare professional | None |
| Lepore et al. [40, 41]1 | Online group meetings; online forum | Online | Group | Synchronous | Weekly | 6 weeks | Health professional (Not specified) | None |
| Lieberman and Lepore [42] | Online forum | Online | Group | Asynchronous | Variable | 6 months | Health professional (Not specified) | None |
| Osei et al. [43] | Online forum | Online | Group | Asynchronous | 3 times a week | 1–3 months | Not reported | None |
| Salzer et al. [44] | Online forum | Online | Group | Asynchronous | Variable | 7–12 months | No facilitator | None |
| Sansom-Daly et al. [45] | Online group meetings | Online | Group | Asynchronous | Weekly | 1–3 months | Health professional (Psychologist) | None |
| Setoyama, Yamazaki and Namayama [46] | Online forum | Online | Group | Asynchronous | Variable | Not reported | Not reported | None |
| Toija et al. [47] | Telephone one-to-one support | Telephone | One-to-one | Synchronous | Variable | Not reported | Cancer survivor | None |
| van Erp et al. [48] | Online group meetings | Online | Group | Synchronous | Weekly | 6 weeks | Health professional (Psychologist) | Some |
| Vilhauer, McClintock and Matthews [49] | Online forum | Online | Group | Asynchronous | 24-h availability | 2 + years | No facilitator | None |
| Winzelberg et al. [50] | Online forum | Online | Group | Asynchronous | 24-h availability | 12 weeks | Health professional (Mental health practitioner) | None |
1Data merged from two separate papers with the same sample