AI Article Synopsis

  • The study looked at marijuana use among 718 Native American adolescents aged 10-17 from eight reservations.
  • 15% of the youth started using marijuana between the ages of 11-12, with another 20% starting soon after, and these early users were 6.5 times more likely to develop abuse or dependence compared to those who didn't use.
  • Surprisingly, girls were found to be at higher risk for early use, and the social factors influencing their use varied from those seen in alcohol use.

Article Abstract

This study investigated the links between marijuana use trajectories and marijuana abuse/dependence (DSM-IV) using five waves of data from 718 North American Indigenous adolescents between 10 and 17years from eight reservations sharing a common language and culture. Growth mixture models indicated that 15% of youth began using by 11-12years of age and that another 20% began shortly thereafter. These early users had odds of abuse/dependence 6.5 times larger than abstainers. Girls were also unexpectedly found to be particularly at risk of early use, and this did not reflect other background and psychosocial factors, including friend use. While the timing, patterns, and consequences of use were similar to those reported for alcohol use previously, the social influences on use differed in important ways.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3593240PMC
http://dx.doi.org/10.1016/j.ssresearch.2012.03.015DOI Listing

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