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Therapist-guided online metacognitive intervention for excessive worry: a randomized controlled trial with mediation analysis
Department of Clinical Neuroscience, Centre for Psychiatry Research, Karolinska Institutet, Stockholm, Sweden; Stockholm Health Care Services, Stockholm County Council, Stockholm, Sweden.
Örebro University, School of Law, Psychology and Social Work. Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden.ORCID iD: 0000-0002-9736-8228
Department of Psychology, Lund University, Lund, Sweden.
Department of Clinical Neuroscience, Centre for Psychiatry Research, Karolinska Institutet, Stockholm, Sweden.
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2022 (English)In: Cognitive Behaviour Therapy, ISSN 1650-6073, E-ISSN 1651-2316, Vol. 51, no 1, p. 21-41Article in journal (Refereed) Published
Abstract [en]

Previous studies have found an association between excessive worrying and negative beliefs about worry. It is unclear if change in these beliefs mediate worry reduction. This study aimed to examine (1) if a simplified online metacognitive intervention can reduce worry, (2) whether changes in negative beliefs about worry mediate changes in worry severity, and (3) moderated mediation, i.e., if the mediating effect is more pronounced in individuals with a high degree of negative beliefs about worry at baseline. Adult excessive worriers (N = 108) were randomized to 10-weeks of the online metacognitive intervention (MCI) aimed at reducing negative beliefs about worry, or to wait-list (WL). Outcomes, mediation, and moderated mediation were examined via growth curve modelling. Results indicated a significant reduction in the MCI group (d = 1.6). Reductions in negative beliefs about worry and depressive symptoms separately mediated changes in worry severity during the intervention, but in a multivariate test only the former remained significant. Sensitivity analysis indicated that the hypothesized mediation was robust to possible violations of mediator-outcome confounding. The moderated mediation hypothesis was not supported. The results from this randomized trial add to the growing literature suggesting that negative beliefs about worry play a key role in worry-related problems. ClinicalTrials.gov Identifier: NCT03393156.

Place, publisher, year, edition, pages
Routledge, 2022. Vol. 51, no 1, p. 21-41
Keywords [en]
Negative beliefs about worry, internet, mediation, metacognitions, worry
National Category
Applied Psychology
Identifiers
URN: urn:nbn:se:oru:diva-93540DOI: 10.1080/16506073.2021.1937695ISI: 000675693900001PubMedID: 34283004Scopus ID: 2-s2.0-85111353622OAI: oai:DiVA.org:oru-93540DiVA, id: diva2:1583888
Funder
Fredrik och Ingrid Thurings Stiftelse
Note

Funding agency:

Strategic Research Area Healthcare Science (SFO-V)

Available from: 2021-08-10 Created: 2021-08-10 Last updated: 2024-01-11Bibliographically approved

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Hesser, Hugo

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