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Journal Information
Journal ID (publisher-id): jgi
ISSN: 1910-7595
Publisher: Centre for Addiction and Mental Health
Article Information
The Centre for Addiction and Mental Health
Received Day: 3 Month: May Year: 2013
Accepted Day: 24 Month: November Year: 2013
Publication date: October 2014
First Page: 1 Last Page: 6
Publisher Id: jgi.2014.29.2
DOI: 10.4309/jgi.2014.29.2

Relating severity of gambling to cognitive distortions in a representative sample of problem gamblers
John A. Cunningham1, 2, 3
David C. Hodgins3
Tony Toneatto4
1Centre for Mental Health Research, the Australian National University, Canberra, Australia
2Centre for Addiction and Mental Health, Toronto, Ontario, Canada
3Department of Psychology, University of Calgary, Calgary, Alberta, Canada
4Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
This article was peer-reviewed. All URLs were available at the time of submission.

For correspondence: John Cunningham, Centre for Mental Health Research, Building 63, Australian National University, Canberra, 0200, Australia. Tel: +612 6125 1859. Fax: +612 6125 0733. E-mail: john.cunningham@anu.edu.au
Competing interests: No competing interests to declare.
Ethics approval: Ethics approval was provided by the Centre for Addiction and Mental Health Ethics Committee. The project was approved on September 1, 2010, for the research protocol #392/2007 (212/2007) entitled “A Personalized Feedback Intervention or Problem Gamblers.”
Funding: This study was supported by the Ontario Problem Gambling Research Centre. During the conduct of this study, JAC and TT were supported by the Centre for Addiction and Mental Health. DCH was supported by the University of Calgary.
Contributors: All authors conceived of the study. JAC conducted the analyses and wrote the first draft of the paper. DCH and TT revised the first draft. All authors approved of the final version.
John A Cunningham, PhD, is a Professor and Deputy Director of the Centre for Mental Health Research at the Australian National University. He is also a Senior Scientist at the Centre for Addiction and Mental Health in Toronto, Canada.
David C. Hodgins, PhD, is a Professor in the Program in Clinical Psychology at the Department of Psychology of the University of Calgary. He is also Head of the Department, and a coordinator with the Alberta Gaming Research Institute. He is registered as a clinical psychologist in Alberta.
Tony Toneatto, PhD, is an Associate Professor in the Department of Psychiatry at the University of Toronto and is cross-appointed to the Human Development and Applied Psychology Program at the Ontario Institute of Studies in Education. He is also a registered clinical psychologist. Dr. Toneatto is currently the director of the Buddhism, Psychology and Mental Health undergraduate program at the University of Toronto.

Abstract

The current study explored the relationship in a general population sample between problem gambling severity and cognitive distortions about gambling. A representative sample of problem gamblers (N  =  766) was asked about cognitive distortions related to gambling. A positive association between gambling severity and cognitive distortions emerged, even when the variables associated with participants' demographic characteristics were accounted for. The current study demonstrates that the relationship between problem gambling severity and cognitive distortions does exist in the general population of problem gamblers. This finding emphasizes the key role that cognitive distortions may play in the development and maintenance of pathological gambling.

Résumé

Notre étude visait à examiner la relation entre la gravité des problèmes de jeu et la distorsion cognitive dans la population générale des joueurs à problèmes. Nous avons interrogé les membres d'un échantillon représentatif (n = 766) sur les distorsions cognitives à l'égard du jeu. Même lorsqu'on tient compte des variables liées aux caractéristiques démographiques des participants, on relève une association positive entre la gravité des problèmes de jeu et les distorsions cognitives. Notre étude confirme donc l'existence d'un lien à cet égard dans la population générale des joueurs à problèmes. Cette conclusion met en lumière le rôle important des distorsions cognitives dans le développement et la persistance du jeu pathologique.


Introduction

Cognitive distortions are thought to play a central role in the development and maintenance of gambling problems (Goodie & Fortune, 2013; Johansson, Grant, Kim, Odlaug, & Götestam, 2009; Toneatto & Millar, 2004). Research has demonstrated that samples of problem gamblers are more likely than social gamblers to endorse such distortions (Joukhador, Maccallum, & Blaszczynski, 2003; McInnes, Hodgins, & Holub, under review; Myrseth, Brunborg, & Eidem, 2010; Toneatto, Blitz-Miller, Calderwood, Dragonetti, & Tsanos, 1997). Furthermore, interventions targeting cognitive distortions have enjoyed some success in motivating gamblers to reduce their problems (Fortune & Goodie, 2012).

Work to date investigating cognitive distortions has employed samples of gamblers from different settings (e.g., treatment, community recruited). It is important to establish the generalizability of the following fact, as it is crucial to the validity of this research: The relationship of cognitive distortions to problem gambling also functions in representative samples of problem gamblers. One published report has used general population data; however, the severity of gambling problems were related to two single-item questions that asked about irrational cognitions regarding randomness in gambling (Miller & Currie, 2008). The present brief report presents results from a general population sample of population gamblers, and reports on both the prevalence of different cognitive distortions and the relationship of severity of problem gambling to the strength of endorsement of these faulty beliefs about gambling.


Methods

This study employed data from a random digit dialing telephone survey of 8015 respondents, each of them 18 years of age or older, who spent more than $100 on gambling in the preceding year (Cunningham, Hodgins, Toneatto, & Murphy, 2012). The survey identified current problem gamblers using the Problem Gambling Severity Index (PGSI) (score of 3 or more) (Ferris & Wynne, 2001) and asked a series of questions regarding gambling behaviours and beliefs, and regarding respondent demographic characteristics. These items included the PGSI and the Gambling Cognitions Questionnaire (GCQ) (Toneatto, 1999, August).


Results

Of the 8015 respondents interviewed, 766 scored three or more on the PGSI and were asked to complete the GCQ. The mean (SD) age of respondents was 48.3 (15.2), 56% were male, 55% were married or living in a common law relationship, 57% were employed either full or part-time, half (51%) had earned at least some post-secondary education, and 18% had a household income of CAN$30,000 or less. Finally, the mean (SD) PGSI score was 6.0 (4.0).

Table 1 displays the descriptive statistics for each of the eight items on the GCQ. A reliability analyses was conducted and found that the eight items of the GCQ could function adequately as a scale with a Chronbach's alpha of 0.65. In addition, a principal components analysis was conducted. While two eigenvalues greater than one were observed (with the second eigenvalue being only marginal), the rotated factor matrix did not yield two interpretable scales. Furthermore, as all items loaded positively on one scale in the unrotated factor matrix (correlations of 0.38 or greater), we decided to treat the GCQ as a unidimensional scale for the purposes of these analyses.

A linear regression was performed to predict the strength to which respondents endorsed cognitive distortions on the composite GCQ scale. Demographic variables we entered in the first block, and gambling problem status we added to the second block. Table 2 shows the results of the regression analysis. Even after controlling for demographic characteristics, the severity of gambling problems was positively associated with the strength of cognitive distortions endorsed (p < .001).


Discussion

People with more severe gambling problems are more likely to endorse cognitive distortions about gambling than those people with less severe gambling concerns. Previous research has already demonstrated this finding in convenience samples of gamblers (Joukhador et al., 2003; Myrseth et al., 2010; Toneatto et al., 1997). The current study demonstrated this positive relation even among a representative sample of problem gamblers from the general population.

A limitation of this finding is the conceptual overlap between the PGSI measure of problem gambling and the GCQ. Specifically, the GCQ item “Try to win back money you have lost” is almost identical to the PGSI item “When you gambled, did you go back another day to try to win back the money you lost?” A replication of the analysis reported here we conducted with this GCQ item removed (not shown here) and found the same pattern of relationship between these two measures. However, the overlap of items still emphasizes the degree to which gambling severity and cognitive distortions are conceptually linked. Further research is needed to explore this overlap. Nevertheless, the current study does add to this literature by demonstrating the link between cognitive distortions and severity of gambling in the general population of problem gamblers.


References
Cunningham, J. A.. , Hodgins, D. C.. , Toneatto, T.. , & Murphy, M. . ( 2012). A randomized controlled trial of a personalized feedback intervention for problem gamblers. PLoS one, vol(2), e31586.
doi: 10.1371/journal.pone.0031586
Ferris, J.. , & Wynne, H. . ( 2001). The Canadian Problem Gambling Index: Final report. Ottawa, ON: Canadian Centre on Substance Abuse.
Fortune, E. E.. , & Goodie, A. S. . ( 2012). Cognitive distortions as a component and treatment focus of pathological gambling A review.. Psychology of Addictive Behaviors, vol(2), 298-310.
doi: 10.1037/a0026422
Goodie, A. S.. , & Fortune, E. E. . ( 2013). Measuring cognitive distortions in pathological gambling: Review and meta-analyses. Psychology of Addictive Behaviors, vol(3).
doi: 10.1037/a0031892
Johansson, A.. , Grant, J. E.. , Kim, S. W.. , Odlaug, B. L.. , & Götestam, K. G. . ( 2009). Risk factors for problematic gambling A critical literature review.. Journal of Gambling Studies, vol(1), 67–92.
doi: 10.1007/s10899-008-9088-6
Joukhador, J.. , Maccallum, F.. , & Blaszczynski, A. . ( 2003). Differences in cognitive distortions between problem and social gamblers. Psychological Reports, vol(3, Pt. 2), 1203–1214.
McInnes, A.. , Hodgins, D. C.. , & Holub, A. . ( 2014). The gambling cognitions inventory Scale development and psychometric validation..
Manuscript submitted for publication.
Miller, N. V.. , & Currie, S. R. . ( 2008). A Canadian population level analysis of the roles of irrational gambling cognitions and risky gambling practices as correlates of gambling intensity and pathological gambling. Journal of Gambling Studies, vol(3), 257–274.
doi: 10.1007/s10899-008-9089-5
Myrseth, H.. , Brunborg, G. S.. , & Eidem, M. . ( 2010). Differences in cognitive distortions between pathological and nonpathological gamblers with preferences for chance or skill games.. Journal of Gambling Studies, vol(4), 561–569.
doi: 10.1007/s10899-010-9180-6
Toneatto, T. . ( 1999, August). The gambling cognition questionnaire. Paper presented at the meeting of the American Psychological Association, Boston, MA.
Toneatto, T.. , Blitz-Miller, T.. , Calderwood, K.. , Dragonetti, R.. , & Tsanos, A. . ( 1997). Cognitive distortions in heavy gambling. Journal of Gambling Studies, vol(3), 253–266.
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Toneatto, T.. , & Millar, G. . ( 2004). Assessing and treating problem gambling Empirical status and promising trends.. Canadian Journal of Psychiatry, vol(8), 517–525.

Tables
Table 1 

Descriptive statistics for the Gambling Cognitions Questionnaire


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Table 2 

Relationship between strength of cognitive distortions and gambling severity, after controlling for demographic characteristics


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