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Monday, July 2, 2007

Prevalence, Correlates, Disability, and Comorbidity of DSM-IV Alcohol Abuse and Dependence in the United States
Results From the National Epidemiologic Survey on Alcohol and Related Conditions

Arch Gen Psychiatry. 2007;64:830-842.



To present nationally representative findings on the prevalence, correlates, psychiatric comorbidity, and treatment of DSM-IV alcohol abuse and dependence.

Prevalence of lifetime and 12-month alcohol abuse was 17.8% and 4.7%; prevalence of lifetime and 12-month alcohol dependence was 12.5% and 3.8%. Alcohol dependence was significantly more prevalent among men, whites, Native Americans, younger and unmarried adults, and those with lower incomes. Current alcohol abuse was more prevalent among men, whites, and younger and unmarried individuals while lifetime rates were highest among middle-aged Americans. Significant disability was particularly associated with alcohol dependence.

Only 24.1% of those with alcohol dependence were ever treated, slightly less than the treatment rate found 10 years earlier.

Strong associations between other substance use disorders and alcohol use disorders (odds ratios, 2.0-18.7) were lower but remained strong and significant (odds ratios, 1.8-7.5) when controlling for other comorbidity. Significant associations between mood, anxiety, and personality disorders and alcohol dependence (odds ratios, 2.1-4.8) were reduced in number and magnitude (odds ratios, 1.5-2.0) when controlling for other comorbidity.

Alcohol abuse and dependence remain highly prevalent and disabling. Comorbidity of alcohol dependence with other substance disorders appears due in part to unique factors underlying etiology for each pair of disorders studied while comorbidity of alcohol dependence with mood, anxiety, and personality disorders appears more attributable to factors shared among these other disorders.

Persistent low treatment rates given the availability of effective treatments indicate the need for vigorous education efforts for the public and professionals.

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