Alcohol and Alcoholism Advance Access originally published online on December 13, 2005
Alcohol and Alcoholism 2006 41(2):168-173; doi:10.1093/alcalc/agh252
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COMORBID PHOBIC DISORDERS DO NOT INFLUENCE OUTCOME OF ALCOHOL DEPENDENCE TREATMENT. RESULTS OF A NATURALISTIC FOLLOW-UP STUDY
1 Department of Psychiatry and Institute for Research in Extramural Medicine, VUUniversity Medical Centre, GGZ Buitenamstel and 2 Academic Medical Centre, University of Amsterdam, Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands
* Author to whom correspondence should be addressed at: Tel: +31 65 5197 293; Fax: +31 20 5736 524; E-mail: LMarquenie{at}ggzba.nl
(Received 29 September 2005; first review notified 31 October 2005; in revised form 9 November 2005; accepted 10 November 2005)
Aims: Despite claims that comorbid anxiety disorders tend to lead to a poor outcome in the treatment of alcohol dependence, the few studies on this topic show conflicting results. Objective: To test whether the outcome of treatment-seeking alcohol-dependent patients with a comorbid phobic disorder is worse than that of similar patients without a comorbid phobic disorder. Methods: The probabilities of starting to drink again and of relapsing into regular heavy drinking in (i) a group of 81 alcohol-dependent patients with comorbid social phobia or agoraphobia were compared with those in (ii) a group of 88 alcohol-dependent patients without anxiety disorders in a naturalistic follow-up using Cox regression analysis. Results: Adjusted for initial group differences, the hazard ratio for the association of phobic disorders with resumption of drinking was 1.05 (95% CI, 0.851.30, P = 0.66) and the adjusted hazard ratio for the association of phobic disorders with a relapse into regular heavy drinking was 1.02 (95% CI, 0.781.33, P = 0.89). Conclusion: The findings of this study do not confirm the idea that alcohol-dependent patients who have undergone alcohol-dependence treatment are at greater risk of a relapse if they have a comorbid anxiety disorder. No differences were found in abstinence duration or time to relapse into regular heavy drinking between patients with and without comorbid phobic disorders.