This paper analyzes data from interviews with167 drug users in the community, including age, sex, birth order, education, family constellation, age of first drug use and circumstances of first drug use. Initial drug use was usually a social experience, with considerable influence from peers. Usually initial drug use began with marijuana or alcohol. The majority of subjects had tried to stop using drugs, but most of them had been unsuccessful at the time of the interview.
Available at: http://works.bepress.com/joan_rollins/2/