A longitudinal analysis of 12-step involvement was conducted among a U.S. sample of patients exiting treatment for substance dependence. Categorical involvement in a set of 12-step activities and summary scores of involvement from the Alcoholics Anonymous Affiliation Scale were examined in relation to continuous abstinence and aftercare (Oxford House or usual care) condition.
Participants who were categorically involved in 12-step activities were significantly more likely to maintain continuous abstinence at 2 years compared with those who were less involved, predicting a greater likelihood of complete abstinence than summary scores of involvement.
In addition, participants in the Oxford House condition were significantly more likely to remain continuously abstinent throughout the course of this randomized clinical trial.
Findings suggest that categorical involvement in a set of 12-step activities and communal-living settings such as Oxford Houses are independent factors associated with continuous abstinence from both alcohol and illicit drugs among substance dependent persons.
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