title: Substance abuse treatment patients with early onset cocaine use respond as well to contingency management interventions as those with later onset cocaine use.
abstract: Early onset drug use is associated with increased risk of developing substance use disorders, but relatively little is known about the correlates of early drug use among adults receiving treatment. A retrospective analysis of a randomized study of contingency management treatment compared cocaine-dependent patients who reported initial cocaine use at age 14 or younger (n = 41) to those who began using after age 14 (n = 387). Patients with early onset cocaine use had more legal and psychiatric problems than those who initiated cocaine use later. Patients with early-onset cocaine use also dropped out of treatment sooner and achieved less sustained abstinence than those who began using at older ages, but the interaction between age of first use and treatment condition was not significant. Early-onset cocaine use is associated with persistent psychosocial problems and an overall poor response to treatment. However, contingency management is efficacious in improving outcomes in early onset cocaine users.
authors.affiliation: University of Connecticut School of Medicine.
authors.forename: Lindsay M
authors.initials: LM
authors.lastname: Weiss
authors.affiliation: University of Connecticut School of Medicine. Electronic address: Npetry@uchc.edu.
authors.forename: Nancy M
authors.initials: NM
authors.lastname: Petry
mesh_terms: D000328:Adult; D017668:Age of Onset; D003042:Cocaine / Q000008:administration & dosage*; D019970:Cocaine-Related Disorders / Q000534:rehabilitation*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010352:Patient Dropouts / Q000706:statistics & numerical data; D016032:Randomized Controlled Trials as Topic; D012054:Reinforcement, Psychology; D012189:Retrospective Studies; D016896:Treatment Outcome
chemical_list: D003042:Cocaine
keywords: Cocaine; Contingency management; Early onset drug use; Outpatient treatment