The Anxiety Sensitivity Index-3 in alcohol dependent adults: Psychometric validation and utility in predicting medium term drinking outcomes

Miss Michelle Engels (). The Anxiety Sensitivity Index-3 in alcohol dependent adults: Psychometric validation and utility in predicting medium term drinking outcomes Professional Doctorate, School of Psychology, The University of Queensland.

       
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Author Miss Michelle Engels
Thesis Title The Anxiety Sensitivity Index-3 in alcohol dependent adults: Psychometric validation and utility in predicting medium term drinking outcomes
School, Centre or Institute School of Psychology
Institution The University of Queensland
Thesis type Professional Doctorate
Supervisor Dr Genevieve Dingle
Total pages 171
Abstract/Summary The current thesis describes two studies of anxiety sensitivity in individuals with disordered alcohol use. Study one was designed to validate the empirically derived three-factor structure of the Anxiety Sensitivity Index-3 (ASI-3) within a sample of adults entering treatment for alcohol misuse. The aim of study two was to investigate the predictive utility of anxiety sensitivity and drinking expectancies in relation to drinking outcomes following treatment for alcohol misuse. In particular it was hypothesised that drinking expectancies would mediate the relationship between negative affect and drinking following treatment, whereas anxiety sensitivity would moderate this relationship. One hundred and twenty-eight participants were recruited from five private and public drug and alcohol treatment centres throughout the South-East Queensland region. At admission, discharge, and three-months post-discharge the assessment battery was administered which included, the ASI-3, measures of anxiety, depression, and stress, drinking expectancies and drink refusal self efficacy. Results of study 1 revealed the ASI-3 was best represented by a hierarchical three-factor structure, with one overall AS higher-order domain. Results of study 2 failed to support the proposed moderated-mediation model. However the effect of the moderator (AS), on the dependent variable, days to lapse as measured at the three-month follow-up, was found to depend on the mediator (DE), but this result was independent of the measure of anxiety symptoms. The clinical implications of these finding are discussed, and suggestions for future research made. Overall, the results show that anxiety sensitivity is high in adults entering treatment for alcohol misuse yet it improves markedly with treatment. Furthermore, it was found that participants who remained high in anxiety sensitivity at the end of treatment were prone to relapse at an earlier stage once discharged from treatment. The results aim to inform the development of future intervention programs that may protect against relapse, whilst establishing a clinically validated outcome measurement.
Keyword Anxiety Sensitivity
Anxiety Sensitivity Index - 3
Drinking expectancies
Drinking behaviour

 
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Created: Tue, 23 Nov 2010, 17:16:31 EST by Miss Michelle Engels