Updates are available Correction dated 2019-11-14

Article History

First Online: 13 July 2019

Change Date: 14 November 2019

Change Type: Correction

Change Details: The original version of this article contained errors in Table��1. The numbers (N) and percentages (%) in the ���completed treatment��� column were incorrect. It is now corrected with this erratum.

Compliance with Ethical Standards

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: In the last 3 years the research team have received the following funding: SS receives funding from the Society for the Study of Addiction 3-year Academic Fellowship, has previously received grants from GambleAware and the NIHR, and was employed on AR’s Research Investment Fund award. RM declares no conflict, and no funding sources. AR has received funding from Santander (Gambling and Interpersonal Violence), and an internal University of Lincoln award, the Research Investment Fund to analyse the Gordon Moody Data. JT has received research/consultancy funds from the Young Gamblers Education Trust, and Cancer Research UK during the past 3 years.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee [University of Lincoln School of Psychology Research Ethics Committee (SOPREC, Ref: PSY1415127)] and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: On application to GMA, the client consented to all information provided being used to support the improvement of service provision.