Mindfulness-Based Cancer Recovery (MBCR) versus Supportive Expressive Group Therapy (SET) for distressed breast cancer survivors: evaluating mindfulness and social support as mediators

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dc.contributor.authorSchellekens, Melanie. P. J.
dc.contributor.authorCarlson, Linda E.
dc.contributor.authorDrysdale, Elaine
dc.contributor.authorStephen, Joanne
dc.contributor.authorSpeca, Michael
dc.contributor.authorLabelle, Laura E.
dc.contributor.authorTamagawa, Rie
dc.contributor.authorSavage, Linette Lawlor
dc.contributor.authorDirkse, Dale
dc.contributor.authorPickering, Barbara
dc.contributor.authorSample, Sarah
dc.date.accessioned2018-10-31T16:07:21Z
dc.date.available2018-10-31T16:07:21Z
dc.date.issued2016-10-08
dc.description.abstractDespite growing evidence in support of mindfulness as an underlying mechanism of mindfulness-based interventions (MBIs), it has been suggested that nonspecific therapeutic factors, such as the experience of social support, may contribute to the positive effects of MBIs. In the present study, we examined whether change in mindfulness and/or social support mediated the effect of Mindfulness-Based Cancer Recovery (MBCR) compared to another active intervention (i.e. Supportive Expressive Group Therapy (SET)), on change in mood disturbance, stress symptoms and quality of life. A secondary analysis was conducted of a multi-site randomized clinical trial investigating the impacts of MBCR and SET on distressed breast cancer survivors (MINDSET). We applied the causal steps approach with bootstrapping to test mediation, using pre- and post-intervention questionnaire data of the participants who were randomised to MBCR (n = 69) or SET (n = 70). MBCR participants improved significantly more on mood disturbance, stress symptoms and social support, but not on quality of life or mindfulness, compared to SET participants. Increased social support partially mediated the impact of MBCR versus SET on mood disturbance and stress symptoms. Because no group differences on mindfulness and quality of life were observed, no mediation analyses were performed on these variables. Findings showed that increased social support was related to more improvement in mood and stress after MBCR compared to support groups, whereas changes in mindfulness were not. This suggests a more important role for social support in enhancing outcomes in MBCR than previously thought.
dc.identifier.citationSchellekens, M. P. J., Tamagawa, R., Labelle, L. E., Speca, M., Stephen, J., Drysdale, E., … Carlson, L. E. (2016). Mindfulness-Based Cancer Recovery (MBCR) versus Supportive Expressive Group Therapy (SET) for distressed breast cancer survivors: evaluating mindfulness and social support as mediators. Journal of Behavioral Medicine, 40(3), 414–422. https://doi.org/10.1007/s10865-016-9799-6
dc.identifier.doi10.1007/s10865-016-9799-6
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/33899
dc.identifier.issn0160-7715
dc.identifier.urihttp://hdl.handle.net/1880/108939
dc.language.isoen
dc.publisherSpringer Nature
dc.publisher.departmentOncology
dc.publisher.departmentPsychology
dc.publisher.facultyCumming School of Medicine
dc.publisher.facultyArts
dc.publisher.hasversionPublisher’s version
dc.publisher.institutionUniversity of Calgary
dc.publisher.policyhttp://www.springer.com/gp/open-access/authors-rights/self-archiving-policy/2124
dc.rightsUnless otherwise indicated, this material is protected by copyright and has been made available with authorization from the copyright owner. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectMindfulness-Based Cancer Recovery
dc.subjectMindfulness
dc.subjectSupportive Expressive Group Therapy
dc.subjectSocial support
dc.subjectMediation
dc.subjectBreast cancer
dc.titleMindfulness-Based Cancer Recovery (MBCR) versus Supportive Expressive Group Therapy (SET) for distressed breast cancer survivors: evaluating mindfulness and social support as mediators
dc.typejournal article
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