The epidemiology of alcohol use disorders and subthreshold dependence in a middle-aged and elderly community sample
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2010-11-12
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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.
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Blazer, DG, and LT Wu (2010). The epidemiology of alcohol use disorders and subthreshold dependence in a middle-aged and elderly community sample. American Journal of Geriatric Psychiatry. pp. 1–1. 10.1097/JGP.0b013e3181f2006a96 Retrieved from https://hdl.handle.net/10161/20000.
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Daniel German Blazer
I am currently semi-retired. Most of my recent work has been focused on roles with the National Academy of Medicine (former Institute of Medicine). I have chaired three committees during the past four years, one on the mental health and substance use workforce, one on cognitive aging, and one on hearing loss in adults. I currently also chair the Board on the Health of Select Populations for the National Academies.
In the past I have been PI on a number of research projects, including the Epidemiologic Catchment Area Study, and the Clinical Research Center for Late Life Depression. More recently I have been involved with five research projects. The first, the Established Populations for Epidemiologic Study of the Elderly (EPESE), included a study demonstrating that sleep complaints are more frequent in white compared to blacks, even when relevant demographic variables are controlled. In a second study, day-time napping was a significant predictor of mortality. A third study in the Piedmont of North Carolina revealed no difference in utilization or satisfaction with health services when urban elders were compared with rural elders. In a fourth study, self-rated health was not as strong a predictor of mortality, as has been found in previous studies, especially when controlling for important covariates.
A second research endeavor has been with the National Comorbidity Study. I led investigators who demonstrated that the prevalence of major depression is higher than previously estimated in national samples of persons between the ages of eighteen and fifty-five in the community and discussed the methodological issues that may contribute to this differing estimate. The risk-factor profile of pure major depression was compared with comorbid major depression. I will continue in this research during 1994/95 to look at Seasonal Affective Disorders (SAD).
I have also worked with my colleague Litzy Wu ScD in the study of substance use disorders and have published a number of papers related to substance use in the elderly. I also work closely with my colleague Celia Hybels, PhD looking at trajectories of depressive symptoms in older adults over time.
I spent considerable time during 1994/97 working on four books. I co-edited the second edition of Geriatric Psychiatry, to be published in the late winter of 1994 or early spring of 1995. I am working on a single author book, Freud vs. God: The End of the Debate/How Psychiatry Lost Its Soul and Christianity Lost Its Mind and on a research methods textbook for clinical psychiatry research. I have produced a second edition of Emotional Problems in Later Life. Since then our Textbook of Geriatric Psychiatry has gone through three additional editions and I published (based on my work during a sabbatical at the Center for Advanced Studies of Behavioral Sciences at Stanford) The Age of Melancholy (for which I received the Oscar Pfister Award from the American Psychiatric Association).
Li-Tzy Wu
Education/Training:
Pre- and post-doctoral training in mental health service research, psychiatric epidemiology (NIMH T32), and addiction epidemiology (NIDA T32) from Johns Hopkins University School of Public Health
Fellow of the NIH Summer Institute on the Design and Conduct of Randomized Clinical Trials
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