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Am J Geriatr Psychiatry. 2011 Aug;19(8):685-94. doi: 10.1097/JGP.0b013e3182006a96.

The epidemiology of alcohol use disorders and subthreshold dependence in a middle-aged and elderly community sample.

Author information

1
Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina, USA. blaze001@mc.duke.edu

Abstract

OBJECTIVE:

To estimate 1-year prevalence and correlates of alcohol abuse, dependence, and subthreshold dependence (diagnostic orphans) among middle-aged and elderly persons in the United States.

DESIGN:

2005-2007 National Surveys on Drug Use and Health.

METHOD:

Sample included 10,015 respondents aged 50-64 years and 6,289 respondents older than 65 years. Data were analyzed by bivariate and multinomial regression analyses.

MEASUREMENTS:

Sociodemographic variables; alcohol use; Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition abuse and dependence; major depression; nicotine dependence; illicit drug use; and nonmedical use of prescription drugs.

RESULTS:

Fifty-one percent of the sample used alcohol during the past year (56% in the 50-64 age group and 43% in the older than 65 age group). Overall, 11% (dependence 1.9%, abuse 2.3%, and subthreshold dependence 7.0%) of adults aged 50-64 and about 6.7% (dependence 0.6%, abuse 0.9%, and subthreshold dependence 5.2%) of those older than 65 reported alcohol abuse, dependence or dependence symptoms. Among past-year alcohol users, 20% (dependence 3.4%, abuse 4.0%, and subthreshold dependence 12.5%) of adults aged 50-64 and 15.4% (dependence 1.3%, abuse 2.1%, and subthreshold dependence 12.0%) of those older than 65 endorsed alcohol abuse or dependence symptoms. "Tolerance" (48%) and "time spent using" (37%) were the two symptoms most frequently endorsed by the subthreshold group. Compared with alcohol users without alcohol abuse or dependence symptoms, blacks or Hispanics and those who had nicotine dependence or used nonmedical prescription drugs had increased odds of subthreshold dependence. Diagnostic orphans also were more likely to engage in binge drinking than the asymptomatic group.

CONCLUSIONS:

Diagnostic orphans among middle-aged and elderly community adults show an elevated rate for binge drinking and nonmedical use of prescription drugs that require attention from healthcare providers.

PMID:
21785289
PMCID:
PMC3144522
DOI:
10.1097/JGP.0b013e3182006a96
[Indexed for MEDLINE]
Free PMC Article
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