Social support as a predictor of outcomes of cognitive behavioral therapy with a trauma focus delivered face-to-face and via guided internet-based self-help

Lewis, Catrin ORCID: https://orcid.org/0000-0002-3818-9377, Bailey, Leah, Ariti, Cono ORCID: https://orcid.org/0000-0001-7615-0935, Kitchiner, Neil J. ORCID: https://orcid.org/0000-0003-0499-9520, Robertson, Neil P. ORCID: https://orcid.org/0000-0002-5409-4909, Simon, Natalie and Bisson, Jonathan I. ORCID: https://orcid.org/0000-0001-5170-1243 2023. Social support as a predictor of outcomes of cognitive behavioral therapy with a trauma focus delivered face-to-face and via guided internet-based self-help. Journal of Traumatic Stress 36 (3) , pp. 511-523. 10.1002/jts.22947

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Abstract

There is mounting evidence that cognitive behavioral therapy with a trauma focus (CBT-TF) delivered via guided internet-based self-help is noninferior to CBT-TF delivered face-to-face for individuals with posttraumatic stress disorder (PTSD) of mild-to-moderate severity. The availability of multiple evidence-based treatment options creates a need to determine predictors of outcome to enable clinicians to make informed treatment recommendations. We examined perceived social support as a predictor of treatment adherence and response among 196 adults with PTSD enrolled in a multicenter pragmatic randomized controlled noninferiority trial. Perceived social support was measured using the Multidimensional Scale of Perceived Social Support and PTSD was assessed using the Clinician-Administered PTSD Scale for DSM-5. Linear regression was used to explore the associations between different dimensions of perceived social support (i.e., from friends, family, and significant others) and posttraumatic stress symptoms (PTSS) at baseline. Linear and logistic regression were used to determine whether these dimensions of support predicted treatment adherence or response for either treatment modality. Lower baseline perceived social support from family was associated with higher levels of PTSS, B = −0.24, 95% CI [−0.39, −0.08], p = .003, but the same did not apply to social support from friends or significant others. We did not find evidence that any dimension of social support predicted treatment adherence or response for either treatment. This work does not indicate that social support is a factor that can help predict the suitability of psychological therapy for PTSD delivered via guided internet-based self-help versus face-to-face.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Publisher:	Wiley
ISSN:	0894-9867
Date of First Compliant Deposit:	10 May 2023
Date of Acceptance:	1 March 2023
Last Modified:	02 Aug 2023 16:57
URI:	https://orca.cardiff.ac.uk/id/eprint/159399

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