Heavy drinking in a population of methadone-maintained clients.

Objective: The purpose of this study was to clarify the relationship between heavy use of alcohol and response to methadone treatment. Method: A sample of clients showing three or more DSM-III-R symptoms (n = 79) were identified and compared with a sample of heavy-drinking clients (n = 108) with less than three alcohol dependency symptoms on admitting characteristics and on tenure in treatment. Results: As expected, clients meeting DSM-III-R dependency criteria were significantly more likely to show evidence of psychological problems and dysfunction of family and peer relations at admission. An unexpected finding was that they were also more likely to remain in treatment longer than drinking clients who did not report dependency. Alcohol dependent clients were significantly more likely to have prior experience with self-help groups, which may reflect less denial and therefore relatively better ability to focus on opiate dependency problems. Conclusions: Failure to differentiate between alcohol dependent a...