Alcohol expectancies and drinking refusal self-efficacy mediate the association of impulsivity with alcohol misuse

Gullo, Matthew J., Dawe, Sharon, Kambouropoulos, Nicolas, Staiger, Petra K. and Jackson, Chris J. 2010, Alcohol expectancies and drinking refusal self-efficacy mediate the association of impulsivity with alcohol misuse, Alcoholism : clinical and experimental research, vol. 34, no. 8, pp. 1386-1399, doi: 10.1111/j.1530-0277.2010.01222.x.

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Title Alcohol expectancies and drinking refusal self-efficacy mediate the association of impulsivity with alcohol misuse
Author(s) Gullo, Matthew J.
Dawe, Sharon
Kambouropoulos, NicolasORCID iD for Kambouropoulos, Nicolas
Staiger, Petra K.ORCID iD for Staiger, Petra K.
Jackson, Chris J.
Journal name Alcoholism : clinical and experimental research
Volume number 34
Issue number 8
Start page 1386
End page 1399
Total pages 14
Publisher Wiley-Blackwell Publishing, Inc.
Place of publication Hoboken, N.J.
Publication date 2010-08
ISSN 0145-6008
Keyword(s) Impulsivity
Alcohol Expectancy
Drinking Refusal Self-Efficacy
Summary Background: Recent work suggests that 2 biologically based traits convey risk for alcohol misuse: reward sensitivity ⁄ drive and (rash) impulsiveness. However, the cognitive mechanisms through which these traits convey risk are unclear. This study tested a model predicting that the risk conveyed by reward sensitivity is mediated by a learning bias for the reinforcing outcomes of alcohol consumption (i.e., positive alcohol expectancy). The model also proposed that the risk conveyed by rash impulsiveness (RI) is mediated by drinkers’ perceived ability to resist alcohol (i.e., drinking refusal self-efficacy).
Methods: Study 1 tested the model in a sample of young adults (n = 342). Study 2 tested the model in a sample of treatment-seeking substance abusers (n = 121). All participants completed a battery of personality, cognitive, and alcohol use questionnaires and models were tested using structural equation modeling.
Results: In both studies, the hypothesized model was found to provide a good fit to the data, and a better fit than alternative models. In both young adults and treatment-seeking individuals, positive alcohol expectancy fully mediated the association between reward sensitivity and hazardous alcohol use. For treatment seekers, drinking refusal self-efficacy fully mediated the association between RI and hazardous drinking. However, there was partial mediation in the young adult sample. Furthermore, neither trait was directly associated with the other cognitive mediator.
Conclusions: The hypothesized model was confirmed on a large sample of young adults and replicated on a sample of treatment-seeking substance abusers. Taken together, these findings shed further light on the mechanisms through which an impulsive temperament may convey risk for alcohol misuse.
Notes Article first published online: 14 MAY 2010
Language eng
DOI 10.1111/j.1530-0277.2010.01222.x
Field of Research 170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2010, by the Research Society on Alcoholism.
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Document type: Journal Article
Collections: Faculty of Health
School of Psychology
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