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2022 (English)In: JMIR Cardio, E-ISSN 2561-1011, Vol. 6, no 1, article id e29926Article in journal (Refereed) Published
Abstract [en]
Background: In patients with cardiovascular disease (CVD), knowledge about the associations among changes in depressivesymptoms, self-efficacy, and self-care activities has been requested. This is because such knowledge can be helpful in the designof behavioral interventions aimed to improve self-efficacy, reduce depressive symptoms, and improve performance of self-careactivities in CVD patients.
Objective: We aim to evaluate if internet-based cognitive behavioral therapy (iCBT) improves self-efficacy and explore therelationships among changes in depressive symptoms, self-efficacy, and physical activity, as well as the influence of iCBT onthese relationships.
Methods: This study received funding in January 2015. Participant recruitment took place between January 2017 and February2018, and the main findings were published in 2019. This study is a secondary analysis of data collected in a randomized controlledstudy evaluating the effects of a 9-week iCBT program compared to an online discussion forum (ODF) on depressive symptomsin patients with CVD (N=144). Data were collected at baseline and at the 9-week follow-up. Analysis of covariance was used toevaluate the differences in self-efficacy between the iCBT and ODF groups. Structural equation modeling explored the relationshipsamong changes in depressive symptoms, self-efficacy, and physical activity, as well as the influence of iCBT on these relationships.
Results: At follow-up, a significant difference in the increase in self-efficacy favoring iCBT was found (P=.04, Cohen d=0.27).We found an indirect association between changes in depressive symptoms and physical activity (ß=–.24, P<.01), with the changein self-efficacy acting as a mediator. iCBT had a direct effect on the changes in depressive symptoms, which in turn influencedthe changes in self-efficacy (ß=.23, P<.001) and physical activity (ß=.12, P<.001).
Conclusions: Self-efficacy was improved by iCBT. However, the influence of iCBT on self-efficacy and physical activity wasmostly mediated by improvements in depressive symptoms.Trial Registration: ClinicalTrials.gov NCT02778074; https://clinicaltrials.gov/ct2/show/NCT02778074
Place, publisher, year, edition, pages
Toronto, Canada: JMIR Publications, Inc., 2022
Keywords
internet-based cognitive behavioral therapy; cardiovascular disease; depression; self-efficacy; physical activity; mental health; depression; digital health; online health; digital therapy; cognition; self-care; CVD; internet-based; cardiology; heart disease; cardiac health; cognitive behavioral therapy
National Category
Nursing
Identifiers
urn:nbn:se:liu:diva-185754 (URN)10.2196/29926 (DOI)001394874300004 ()35657674 (PubMedID)2-s2.0-85133162136 (Scopus ID)
Note
Funding: This study received funding from the Swedish Research Council (grant 2015-02600), ALF grants from the Region Östergötland (grants LIO-600321 and LIO-687531), and Strategic fund from the Region Östergötland (grant LIO-719561).
2022-06-102022-06-102025-10-10Bibliographically approved