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Cannabis use;; alcohol use;; substance use;; clinical high-risk;; prodromal;; states;; psychosis;; clinical high-risk;; ultra-high-risk;; young-adults;; symptoms;; schizophrenia;; adolescence;; psychopathology;; experiences;; prevalence;; prediction;; Psychiatry
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Full-Text Articles in Medicine and Health Sciences
Alcohol Confounds Relationship Between Cannabis Misuse And Psychosis Conversion In A High-Risk Sample, A. M. Auther, K. S. Cadenhead, R. E. Carrion, J. Addington, C. E. Bearden, T. D. Cannon, T. H. Mcglashan, E. F. Walker, S. W. Woods, B. A. Cornblatt, +3 Additional Authors
Alcohol Confounds Relationship Between Cannabis Misuse And Psychosis Conversion In A High-Risk Sample, A. M. Auther, K. S. Cadenhead, R. E. Carrion, J. Addington, C. E. Bearden, T. D. Cannon, T. H. Mcglashan, E. F. Walker, S. W. Woods, B. A. Cornblatt, +3 Additional Authors
Journal Articles
ObjectiveCannabis use has been examined as a predictor of psychosis in clinical high-risk (CHR) samples, but little is known about the impact of other substances on this relationship. MethodSubstance use was assessed in a large sample of CHR participants (N=370, mean age=18.3) enrolled in the multisite North American Prodrome Longitudinal Study Phase 1 project. Three hundred and forty-one participants with cannabis use data were divided into groups: No Use (NU, N=211); Cannabis Use without impairment (CU, N=63); Cannabis Abuse/Dependence (CA/CD, N=67). Participants (N=283) were followed for 2years to determine psychosis conversion. ResultsAlcohol (45.3%) and cannabis (38.1%) were the most common …