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Journal Article

Citation

Patte KA, Qian W, Leatherdale ST. J. Sch. Health 2017; 87(5): 310-318.

Affiliation

School of Public Health and Health Systems, University of Waterloo, 200 University Ave West, LHS 1617, Waterloo, ON N2L 3G1, Canada.

Copyright

(Copyright © 2017, American School Health Association, Publisher John Wiley and Sons)

DOI

10.1111/josh.12498

PMID

28382670

Abstract

BACKGROUND: We tested the effect of initiating marijuana and alcohol use at varying frequencies on academic indices.

METHODS: In a sample of 26,475 grade 9-12 students with at least 2 years of linked longitudinal data from year 1 (Y1: 2012-2013), year 2 (Y2: 2013-2014), and year 3 (Y3: 2014-2015) of the COMPASS study, separate multinomial generalized estimating equations models tested the likelihood of responses to measures of academic goals, engagement, preparedness, and performance when shifting from never using alcohol or marijuana at baseline to using them at varying frequencies at follow -up.

RESULTS: Students who began using alcohol or marijuana were less likely to attend class regularly, complete their homework, achieve high marks, and value good grades, relative to their abstaining peers. Changing from abstaining to rare/sporadic-to-weekly drinking or rare/sporadic marijuana use predicted aspirations to continue to all levels of higher education, and initiating weekly marijuana use increased the likelihood of college ambitions, while more regular marijuana use reduced the likelihood of wanting to pursue graduate/professional degrees, over high school.

CONCLUSIONS: The importance of delaying or preventing substance use is evident in associations with student performance and engagement. The influence on academic goals varied by substance and frequency of initiated use.

© 2017, American School Health Association.


Language: en

Keywords

academic achievement; alcohol; education; marijuana; youth

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