Examination of Cloninger's Type I and Type II Alcoholism with a Sample of Men Alcoholics in Treatment
- 1 August 1990
- journal article
- research article
- Published by Wiley in Alcohol, Clinical and Experimental Research
- Vol. 14 (4), 623-629
- https://doi.org/10.1111/j.1530-0277.1990.tb01213.x
Abstract
Cloniger''s clinical method of classifying alcoholics into two groups (Types I and II) was examined with data obtained from 360 VA hospitalized male alcoholic patients. For operation criteria, the Cloniger clinical method of subtyping alcoholics employs age-of-onset of problem drinking and symptom-clusters supposedly associated with each subtype. Marked overlap was found between the symptom-cluster used to define the two subtypes. Ninety-one percent of the entire sample satisfied criteria for both symptom-clusters. Dividing the sample by early-onset (Type II, .ltoreq. 25 years) and late-onset (Type I, 26 years) alcoholism did not substantially reduce the overlap between symptom-clusters; i.e., 96% of the early-onset and 83% of the late-onset subgroups were positive for both symptom-clusters. Only 21 men (6%) could be classified when both age-of-onset and the type-appropriate symptom-cluster were used to separate patients. In hospital settings, at least, these findings suggest that the two-group clinical alcoholism typology proposed by Cloninger basically reflects the age-of-onset of problem drinking.Keywords
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