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Internet-Delivered Cognitive-Behavioral Therapy for Significant Others of Treatment-Refusing Problem Gamblers: A Randomized Wait-List Controlled Trial
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Number of Authors: 52019 (English)In: Journal of Consulting and Clinical Psychology, ISSN 0022-006X, E-ISSN 1939-2117, Vol. 87, no 9, p. 802-814Article in journal (Refereed) Published
Abstract [en]

Objective: Problem gambling can cause severe harm to concerned significant others (CSOs) in the form of, for example, relationship problems, financial difficulties, and mental and physical illness. CSOs are important for their ability to support problem gamblers and motivate them to change. This study investigated the effect of an Internet-based intervention for CSOs of treatment-refusing problem gamblers on (a) gambling-related harm, (b) the gamblers' treatment-seeking rate, and (c) the relationship satisfaction and mental health of the CSOs. Method: A total of 100 CSOs of problem gamblers were randomized into one of two conditions: Internet-delivered cognitive-behavioral therapy for CSOs or a wait-list control group. The intervention group was given Internet-based treatment consisting of nine modules with therapist support available via telephone and e-mail. Outcome measures were collected up 12 months posttreatment. Results: The intervention improved the psychological well-being of the CSOs compared to the wait-list group at the posttest (CSO's emotional consequences: d = -0.90, 95% CI [-1.47, -0.33]; relationship satisfaction: d = 0.41, 95% CI [0.05, 0.76]; anxiety: d = -0.45, 95% CI [-0.81, -0.09]; depression: d = -0.49, 95% CI [-0.82, -0.16]). However, the effects on the gambling outcomes were small and inconclusive (gambling losses: multiplicative effect -0.73, 95% CI [0.29, 1.85]; treatment-seeking: hazard ratio = 0.86, 95% CI [0.31, 2.38]). Conclusion: The results confirm earlier studies' findings that affecting the gambler via a CSO is challenging, but it is possible to increase the CSO's coping and well-being. The trial's outcome data and scripts are available for download (https://osf. io/awtg7/).

Place, publisher, year, edition, pages
2019. Vol. 87, no 9, p. 802-814
Keywords [en]
randomized controlled trial, gambling disorder, concerned significant others, Internet-delivered cognitive-behavioral therapy
National Category
Psychiatry Psychology
Identifiers
URN: urn:nbn:se:su:diva-172999DOI: 10.1037/ccp0000425ISI: 000480315100004PubMedID: 31403816OAI: oai:DiVA.org:su-172999DiVA, id: diva2:1360286
Available from: 2019-10-11 Created: 2019-10-11 Last updated: 2019-11-19Bibliographically approved

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