Comorbidity of alcohol and anxiety disorders among college students: Effects of gender and family history of alcoholism

Matt G. Kushner, Kenneth J. Sher

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


We evaluated the effects of gender and family history for alcoholism on the co-occurrence of anxiety disorders and alcohol disorders ("comorbidity") in a large university student sample (N = 489). A structured diagnostic interview was used to elicit life-time histories of anxiety disorder (29%) and alcohol disorder (26%). The proportion of subjects receiving an alcohol diagnosis was significantly greater among those with an anxiety diagnosis (39% vs. 21%). Male subjects, as well as those with a parental history of alcoholism, had a significantly greater base-rate of alcohol disorder than did other subjects. However, these factors did not affect the relative increase in risk for an alcohol disorder associated with the presence of an anxiety disorder; that is, these factors did not interact with (i.e., moderate) comorbidity risk. In discussing these results, we emphasize issues relevant to identifying and distinguishing between interaction effects and base-rate effects in comorbidity studies.

Original languageEnglish (US)
Pages (from-to)543-552
Number of pages10
JournalAddictive Behaviors
Issue number5
StatePublished - 1993

Bibliographical note

Funding Information:
This research was conducted at the University of Missouri - Columbia and was supported, in part, by grant AA-7231 from the National Institute on Alcohol Abuse and Alcoholism to Dr. Sher. We acknowledge and thank Samuel Guze, MD. for his thoughtful and critical comments on an earlier draft of this manuscript. Requests for reprints should be sent to Matt G. Kushner. PhD, University of Minnesota, Department of Psychiatry, University Hospital. Box 393. Mayo Memorial Building. 420 Delaware Street, S.E.. Minneapolis, MN 55455.


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