The concept of the Alcohol Dependence Syndrome has been influential in the field of alcohol studies in the 1980s. The Severity of Alcohol Dependence Questionnaire (SADQ) is one of a generation of alcohol problem scales developed to measure degree of dependence rather than presence or absence of 'alcoholism'. This paper describes the development of a form of the SADQ for community samples of drinkers (SADQ-C) and its relationship to a brief scale designed to measure impaired control over drinking. In a sample of 52 problem drinkers, SADQ and SADQ-C correlated almost perfectly (r = 0.98). In a larger sample of 197 attenders at a controlled drinking clinic, Principal Components Analysis revealed one major factor accounting for 71.7% of the total variance. High internal reliability was indicated with a Cronbach's Alpha of 0.98. Application of this instrument in a random survey of Western Australian households is then described. It was necessary to remove items relating to 'reinstatement of dependence' for this sample. A single major factor was identified by principal components analysis, accounting for 69.1% of the total variance. In both the clinic and the community samples SADQ-C scores correlated highly with Impairment of Control scores. The findings are interpreted as supporting the view that there is a single dimension of alcohol dependence upon which all persons who drink alcohol with any regularity may be located.
Aims This study aimed to test the efficacy of integrated cognitive behaviour therapy (CBT) for coexisting post traumatic stress disorder (PTSD) and alcohol use disorders (AUD). Setting Clinics across Sydney, Australia.Design Randomized controlled trial of 12 once-weekly individual sessions of either integrated CBT for PTSD and AUD(integrated therapy, IT; n = 33) or CBT for AUD plus supportive counselling (alcohol-support, AS; n = 29). Blind assessments were conducted at baseline and post-treatment and at 5 [standard deviation (SD) = 2.25] and 9.16(SD = 3.45) months post-treatment. Participants Sixty-two adults with concurrent PTSD and AUD. Measurements Outcomes included changes in alcohol consumption (time-line follow-back), PTSD severity [clinician-administered PTSD scale (CAPS)], alcohol dependence and problems, and depression and anxiety. Findings Reductions in PTSD severity were evident in both groups. IT participants who had received one or more sessions of exposure therapy exhibited a twofold greater rate of clinically significant change in CAPS severity at follow-up than AS participants [IT60%, AS 39%, odds ratio (OR): 2.31, 95% confidence interval (CI): 1.06, 5.01]. AS participants exhibited larger reductions than IT participants in alcohol consumption, dependence and problems within the context of greater treatment from other services during follow-up. Results lend support to a mutually maintaining effect between AUD and PTSD. Conclusions Individuals with severe and complex presentations of coexisting post-traumatic stress disorder(PTSD) and alcohol use disorders (AUD) can derive substantial benefit from cognitive behaviour therapy targeting AUD, with greater benefits associated with exposure for PTSD. Among individuals with dual disorders, these therapies can generate significant, well-maintained treatment effects on PTSD, AUD and psychopathology.
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