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Schwarzkopf, L. ; Dorscht, L.* ; Kraus, L.* ; Luttenberger, K.*

Is bouldering-psychotherapy a cost-effective way to treat depression when compared to group cognitive behavioral therapy – results from a randomized controlled trial.

BMC Health Serv. Res. 21:1162 (2021)
Publ. Version/Full Text Research data DOI PMC
Open Access Gold
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Background: Bouldering-Psychotherapy (BPT) has proven to effectively reduce depressive symptoms, but evidence on its cost-effectiveness is lacking. Corresponding information is paramount to support health policy decision making on a potential implementation of BPT in routine care. Methods: Using data from the German KuS trial BPT was compared with group Cognitive Behavioral Therapy (CBT). Severity of depression symptoms at end of the intervention was operationalized via Montgomery-Asberg Depression Rating Scale (MADRS) and Patient Health Questionnaire (PHQ-9). Adopting a societal perspective, direct medical costs and productivity loss were calculated based on standardized unit costs. To determine incremental cost-effectiveness ratios (ICER) and cost-effectiveness-acceptance curves (CEAC), adjusted mean differences (AMD) in costs (gamma-distributed model) and both effect parameters (Gaussian-distributed model) were obtained from 1000 simultaneous bootstrap replications. Results: BPT was related to improved effects (AMDs: MADRS -2.58; PHQ-9: − 1.35) at higher costs (AMD: +€ 754). No AMD was significant. ICERs amounted to €288 per MADRS-point and €550 per PHQ-9-point. For both effect parameters about 20% of bootstrap replications indicated dominance of BPT, and about 75% larger effects at higher costs. At hypothetical willingness to pay (WTP) thresholds of €241 (MADRS) and €615 (PHQ-9) per unit of change BPT had a 50% probability of being cost-effective. Conclusion: BPT is a promising alternate treatment strategy which – in absence of established WTP thresholds for improving symptoms of depression – cannot unambiguously be claimed cost-effective. Further studies defining subgroups that particularly benefit from BPT appear paramount to delineate recommendations for an efficient prospective roll-out to routine care.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Affective Disorder ; Comparative Effectiveness ; Health Care Expenditures ; Health Economic Evaluation ; Productivity Loss ; Psychotherapeutic Treatment ; Therapeutic Climbing; Exercise; Guide
ISSN (print) / ISBN 1472-6963
e-ISSN 1472-6963
Quellenangaben Volume: 21, Issue: 1, Pages: , Article Number: 1162 Supplement: ,
Publisher BioMed Central
Publishing Place Campus, 4 Crinan St, London N1 9xw, England
Non-patent literature Publications
Reviewing status Peer reviewed
Grants Forderverein Kletterzentrum Aufwarts in Miesbach
charitable Oh Do Kwan-foundation Karl Wiedmeier + Ludmilla Pankofer