Patterns of marijuana use and physical health indicators among Canadian youth

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dc.contributor.authorAmes, Megan E.
dc.contributor.authorLeadbeater, Bonnie J.
dc.contributor.authorMerrin, Gabriel J.
dc.contributor.authorThompson, Kara
dc.date.accessioned2020-08-10T18:03:11Z
dc.date.available2020-08-10T18:03:11Z
dc.date.copyright2018en_US
dc.date.issued2018
dc.description.abstractWe examine how trajectories of marijuana use in Canadian youth (ages 15 to 28) are related to physical health indicators in adolescence and young adulthood. Youth were initially recruited in 2003 (N = 662; 48% male; ages 12 to 18) and followed for six waves. Five trajectories of marijuana use (Abstainers‐29%, Occasional users‐27%, Decreasers‐14%, Increasers‐20% and Chronic users‐11%) were identified. Chronic users reported more physical symptoms, poorer physical self‐concept, less physical activity, poorer eating practices, less sleep, and higher number of sexual partners during adolescence than other classes. Decreasers also reported poorer physical self‐concept and poorer eating practices than abstainers. Other trajectory classes showed few significant health problems. Chronic users also reported more acute health problems (i.e. serious injuries, early sexual debut, higher number of sexual partners, greater likelihood of having a STI) in young adulthood than all other classes contributing to costs of healthcare. Youth who engage in early, frequent and continued use of marijuana from adolescence to young adulthood are at‐risk of physical health problems in adolescence and young adulthood.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.identifier.citationAmes, M. E., Leadbeater, B. J., Merrin, G. J., & Thompson, K. (2018). Patterns of marijuana use and physical health indicators among Canadian youth. International Journal of Psychology, 55(1), 1-12. https://doi.org/10.1002/ijop.12549.en_US
dc.identifier.urihttps://doi.org/10.1002/ijop.12549
dc.identifier.urihttp://hdl.handle.net/1828/11980
dc.language.isoenen_US
dc.publisherInternational Journal of Psychologyen_US
dc.subjectMarijuana use
dc.subjectPhysical health
dc.subjectTrajectories
dc.subjectLongitudinal design
dc.subjectHealth behaviours
dc.subjectAdolescence
dc.subjectYoung adulthood
dc.subject.departmentDepartment of Psychology
dc.titlePatterns of marijuana use and physical health indicators among Canadian youthen_US
dc.typeArticleen_US

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