Abstract: | This study examines variations in pretreatment arrest patterns of clients admitted to federally funded drug treatment programs. Data from published annual reports of the Client Oriented Data Acquisition Process (CODAP)-the nationol monitoring system of drug abuse treatment-are used. Variations based on sex and age are found, but not for race. The type of drug abuse was associated with differential arrest patterns. The results suggested that cocaine and hallucinogen users were more likely to have been arrested of the ten categories of drug users considered |