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Exposure opportunity as a mechanism linking youth marijuana use to hallucinogen use

dc.creatorWilcox, H.C.
dc.creatorWagner, F.A.
dc.creatorAnthony, J.C.
dc.date.accessioned2017-06-29T04:27:36Z
dc.date.available2017-06-29T04:27:36Z
dc.date.issued2002es_ES
dc.identifier361es_ES
dc.identifier.issn0376-8716es_ES
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/5052
dc.identifier.urihttps://doi.org/10.1016/S0376-8716(01)00191-0es_ES
dc.language.isoenges_ES
dc.relation66 (2) 127-135 p.es_ES
dc.relationversión del editores_ES
dc.rightsacceso cerradoes_ES
dc.titleExposure opportunity as a mechanism linking youth marijuana use to hallucinogen usees_ES
dc.typearticlees_ES
dc.contributor.affiliationUniv, Bloomberg Sch Publ Hlth, ELCID, Baltimore, MD 21205 USAes_ES
dc.relation.jnabreviadoDRUG ALCOHOL DEPENDes_ES
dc.relation.journalDrug and Alcohol Dependencees_ES
dc.date.published2002es_ES
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñizes_ES
dc.identifier.eissn1879-0046es_ES
dc.identifier.doi10.1016/S0376-8716(01)00191-0es_ES
dc.description.monthAbres_ES
dc.description.abstractotrodiomaThe aim of this study is to shed light upon an observed association between the use of marijuana and hallucinogens (e.g. LSD), with a specific focus on the idea that two separate mechanisms might link marijuana use to hallucinogen use: (1) greater hallucinogen exposure opportunity for marijuana users versus nonusers; (2) increased probability of hallucinogen use for marijuana users versus nonusers, once the opportunity to use hallucinogens has occurred. This work is based on a novel analysis of retrospective, self report data from more than 40000 young participants in the 1991-1994 National Household Surveys on Drug Abuse (NHSDA), with discrete time survival analysis models. Youths who had used marijuana were substantially more likely than nonusers to have the opportunity to use hallucinogens (estimated unadjusted relative risk, uRR = 16.3; 95%. Confidence interval (CI) = 14.3-18.6). Once an opportunity to use hallucinogens occurred, marijuana users were more likely than nonusers to initiate hallucinogen use (uRR = 12.6; 95% CI = 9.0-17.6). This evidence provides a more complete view of interconnections between marijuana use and hallucinogen use, and helps to clarify the pivotal role for drug exposure opportunities. Important next steps will be to understand what accounts for variation in the exposure opportunities experienced by marijuana users, and to understand why some marijuana users do not progress even when they have a chance to do so.es_ES
dc.subject.koHallucinogenses_ES
dc.subject.koMarijuana smokinges_ES
dc.subject.koSurvival analysises_ES
dc.subject.koDrug historyes_ES
dc.subject.koTransitionses_ES
dc.subject.koNational household surveyes_ES
dc.subject.koEpidemiologyes_ES


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