[Peer Support: Utilization and Benefit in Severe Mental Illness - Results from an Observational, Cross-Sectional Study].

Objective: Peer support is playing an increasing role in the treatment of severely mentally ill people. International findings are available on its effectiveness. However, little is known about knowledge, use and benefit assessment in Germany. This paper addresses this question and presents results from an observational study with 10 participating clinics in southern Germany.
Methods: As part of the observational cross-sectional study with people with severe mental illness (IMPPETUS, N=359), sociodemographic and illness- and treatment-associated data were collected by trained study staff between March 2019 and September 2019. Binary logistic regression was used to analyse a possible association with peer support use.
Results: 38% (N=138) of respondents reported knowledge about the possibility of peer support; 15% (N=55) affirmed its use. Use of peer support varied across sites (between 6.5 and 37.5%) and was associated with household income. Significantly less frequent use of peer support was among those with high versus low household income (OR=0.20 [95% CI: 0.06-0.68], p=0.01). Of respondents with peer support use (N=55), 78% reported perceiving peer support to be helpful or highly helpful.
Discussion: Peer support not only proves to be effective under study conditions with regard to various outcomes, but is also assessed as beneficial under routine conditions in a defined care region by the majority of users. However, only a few respondents knew and used the possibility of peer support.
Conclusion: In order to implement peer support more strongly, information about this kind of service should be provided more effectively and a dialogue about successful implementation experiences should be initiated on a regional level.
Competing Interests: Stephan Heres hat in den zurückliegenden drei Jahren Vortragshonorare der Firmen Johnson & Johnson und Otsuka/Lundbeck erhalten, ferner Honorare für wissenschaftliche Beratertätigkeit in klinischen Studien der Firmen TEVA, ROVI und KYE.Darüber hinaus liegt kein Interessenkonflikt vor.
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