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Diverse elements comprising studies of peer support complicate evidence synthesis.

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Title: Diverse elements comprising studies of peer support complicate evidence synthesis.
Authors: Evans, Megan, Cuddeback, Gary S., Golin, Carol, Muessig, Kathryn, Bellamy, Chyrell, Costa, Mark, O'Connell, Maria, Fisher, Edwin B.
Source: Journal of Mental Health. Apr2025, Vol. 34 Issue 2, p207-221. 15p.
Subjects: Affinity groups, Experience, Social support
Abstract: Background: Innovative approaches to care, such as peer support, are needed to address the substantial and frequently unmet needs of people with serious mental illnesses such as schizophrenia. Although peer support services continue to expand in mental healthcare, findings of effectiveness from systematic reviews are mixed. However, the studies evaluated in these reviews consisted of diverse elements which the review methods neglected to consider. Aims: This review aims to demonstrate the substantial diversity in intervention components and measured outcomes among studies of peer support and lay the groundwork for more focused reviews of individual intervention components. Methods: As part of a realist review of the literature, here we synthesize evidence in a way that examines the substantial diversity in intervention components and measured outcomes comprising studies of peer support. Results: Seven categories of outcomes were represented, including recovery, symptoms and functioning, and care utilization. Importantly, seven distinct intervention components were represented in 26 studies: "being there," assistance in self-management, linkage to clinical care and community resources, social and emotional support, ongoing support, explicit utilization of shared lived experience or peer support values, and systems advocacy. Reflecting diversity in approaches, no study reported all intervention components, and no component was found among all studies. Implications: Peer support services constitute a category of intervention approaches far too varied to evaluate as a single entity. Results suggest intervention components deserving more focused research, including assistance in self-management, "being there," and explicit utilization of shared lived experience or peer support values. PRISMA/PROSPERO: As this article reports results from a realist review of the literature, we did not follow the PRISMA guidance which is suitable for systematic reviews. We did follow the Realist and Meta-narrative Evidence Syntheses: Evolving Standards (RAMESES) guidelines. This review was not registered on PROSPERO as it is not a systematic review. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Mental Health is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Diverse elements comprising studies of peer support complicate evidence synthesis.
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  Data: <searchLink fieldCode="AR" term="%22Evans%2C+Megan%22">Evans, Megan</searchLink><br /><searchLink fieldCode="AR" term="%22Cuddeback%2C+Gary+S%2E%22">Cuddeback, Gary S.</searchLink><br /><searchLink fieldCode="AR" term="%22Golin%2C+Carol%22">Golin, Carol</searchLink><br /><searchLink fieldCode="AR" term="%22Muessig%2C+Kathryn%22">Muessig, Kathryn</searchLink><br /><searchLink fieldCode="AR" term="%22Bellamy%2C+Chyrell%22">Bellamy, Chyrell</searchLink><br /><searchLink fieldCode="AR" term="%22Costa%2C+Mark%22">Costa, Mark</searchLink><br /><searchLink fieldCode="AR" term="%22O'Connell%2C+Maria%22">O'Connell, Maria</searchLink><br /><searchLink fieldCode="AR" term="%22Fisher%2C+Edwin+B%2E%22">Fisher, Edwin B.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Mental+Health%22">Journal of Mental Health</searchLink>. Apr2025, Vol. 34 Issue 2, p207-221. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Affinity+groups%22">Affinity groups</searchLink><br /><searchLink fieldCode="DE" term="%22Experience%22">Experience</searchLink><br /><searchLink fieldCode="DE" term="%22Social+support%22">Social support</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Background: Innovative approaches to care, such as peer support, are needed to address the substantial and frequently unmet needs of people with serious mental illnesses such as schizophrenia. Although peer support services continue to expand in mental healthcare, findings of effectiveness from systematic reviews are mixed. However, the studies evaluated in these reviews consisted of diverse elements which the review methods neglected to consider. Aims: This review aims to demonstrate the substantial diversity in intervention components and measured outcomes among studies of peer support and lay the groundwork for more focused reviews of individual intervention components. Methods: As part of a realist review of the literature, here we synthesize evidence in a way that examines the substantial diversity in intervention components and measured outcomes comprising studies of peer support. Results: Seven categories of outcomes were represented, including recovery, symptoms and functioning, and care utilization. Importantly, seven distinct intervention components were represented in 26 studies: "being there," assistance in self-management, linkage to clinical care and community resources, social and emotional support, ongoing support, explicit utilization of shared lived experience or peer support values, and systems advocacy. Reflecting diversity in approaches, no study reported all intervention components, and no component was found among all studies. Implications: Peer support services constitute a category of intervention approaches far too varied to evaluate as a single entity. Results suggest intervention components deserving more focused research, including assistance in self-management, "being there," and explicit utilization of shared lived experience or peer support values. PRISMA/PROSPERO: As this article reports results from a realist review of the literature, we did not follow the PRISMA guidance which is suitable for systematic reviews. We did follow the Realist and Meta-narrative Evidence Syntheses: Evolving Standards (RAMESES) guidelines. This review was not registered on PROSPERO as it is not a systematic review. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Mental Health is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Apr2025
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