Cannabis use and vulnerability for psychosis in early adolescence-a TRAILS study

Merel F. H. Griffith-Lendering*, Johanna T. W. Wigman, Andrea Prince van Leeuwen, Stephan C. J. Huijbregts, Anja C. Huizink, Johan Ormel, Frank C. Verhulst, Jim van Os, Hanna Swaab, Wilma A. M. Vollebergh

*Corresponding author for this work

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Abstract

Aims To examine the direction of the longitudinal association between vulnerability for psychosis and cannabis use throughout adolescence. Design Cross-lagged path analysis was used to identify the temporal order of vulnerability for psychosis and cannabis use, while controlling for gender, family psychopathology, alcohol use and tobacco use. Setting A large prospective population study of Dutch adolescents [the TRacking Adolescents' Individual Lives Survey (TRAILS) study]. Participants A total of 2120 adolescents with assessments at (mean) age 13.6, age 16.3 and age 19.1. Measurements Vulnerability for psychosis at the three assessment points was represented by latent factors derived from scores on three scales of the Youth Self-Report and the Adult Self-Report, i.e. thought problems, social problems and attention problems. Participants self-reported on cannabis use during the past year at all three waves. Findings Significant associations (r=0.120.23) were observed between psychosis vulnerability and cannabis use at all assessments. Also, cannabis use at age 16 predicted psychosis vulnerability at age 19 (Z=2.6, P
Original languageEnglish
Pages (from-to)733-740
JournalAddiction
Volume108
Issue number4
DOIs
Publication statusPublished - Apr 2013

Keywords

  • Addictions
  • Adolescence
  • Bidirectional association
  • Cannabis
  • Drugs of Abuse
  • Vulnerability for Psychosis

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