Abstract:This study focuses on the relationship between patterns of primary drug abuse during 1976 for heroin, marijuana, cocaine, and amphetamines across the demographic variables of age at first use, education, race/ethnic, and sex. A sample of 162,062 clients was selected. Findings indicate that marijuana usage followed by heroin, amphetamines, and cocaine is the most common pattern for clients whose age at first use is 15. Clients with an age at first use of 16 show a pattern of heroin followed by marijuana, amphet… Show more
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.