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University of Waterloo

1. Gohari, Mahmood Reza. Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario.

Degree: 2019, University of Waterloo

The latest change in the policy of the Liquor Control Board of Ontario (LCBO), enacted in December 2015, authorizes the sale of alcohol in 450 grocery stores that previously had not sold alcohol. This policy change increased the availability of alcohol to the province‚Äôs population in terms of the number of off-premise alcohol outlets, hours and days of sale. Since alcohol consumption is highly prevalent among Canadian youth, the new LCBO policy may result in a change in youth alcohol use patterns. The youth population is heterogeneous with respect to alcohol use patterns, and there exist several distinct patterns of alcohol use among youth each representing a subgroup of the population. As these subgroups differ in patterns of use, their responses to changes in alcohol-related policies could likewise differ. Given the numerous immediate and long-term adverse health outcomes associated with alcohol consumption, evaluation of the impact of the new LCBO policy on each subgroup of the population is a public health priority. The research presented in this dissertation research used longitudinal data to examine the impact of the new LCBO policy on youth alcohol use patterns in a quasi-experimental setting with two control groups, one in Ontario and the other in Alberta. The objectives were to (1) identify patterns of alcohol consumption among the youth population, (2) investigate differences in alcohol use patterns across secondary schools, (3) estimate the probabilities of transitioning between drinking patterns over time, (4) examine how individual- and school-level covariates predict patterns of alcohol use and transitioning between the patterns, and (5) evaluate any impact of the new LCBO policy on changes in the alcohol use patterns of youth in the exposed jurisdictions by means of pre- and post-policy assessment. Three manuscripts served these objectives all using student- and school-level data from the COMPASS study. The first manuscript identified latent classes (patterns) of youth alcohol consumption and investigated whether the size of latent classes vary by school. The multilevel latent class analysis identified four student-level latent classes and two school-level latent classes. Student-level classes of youth alcohol use were characterized as non-drinkers (had never consumed alcohol or did not drink in past year, 44.2% of the sample), light drinkers (initiated alcohol consumption at age 14 or later and consumed alcohol up to 3 times a month, with one time binge drinking, 41.8% of the sample), regular drinkers (initiated drinking before age 14 and consumed alcohol 1 to 3 times a week and undertook binge drinking 2 to 4 times a month,11.1% of the sample), and heavy drinkers (initiated drinking before age 14 and consumed alcohol on a nearly everyday basis, with binge drinking more than once a week, 2.9% of the sample). Two groups of schools were characterized, one as low-use [schools with a relatively large number of non-drinkers (n=40, 44.9% of schools)] and the other as high-use [schools with higher…

Subjects/Keywords: policy evaluation; adolescent substance use; school; latent transition analysis (LTA)

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Gohari, M. R. (2019). Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/14998

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Gohari, Mahmood Reza. “Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario.” 2019. Thesis, University of Waterloo. Accessed September 19, 2019. http://hdl.handle.net/10012/14998.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Gohari, Mahmood Reza. “Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario.” 2019. Web. 19 Sep 2019.

Vancouver:

Gohari MR. Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario. [Internet] [Thesis]. University of Waterloo; 2019. [cited 2019 Sep 19]. Available from: http://hdl.handle.net/10012/14998.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gohari MR. Understanding Youth Trajectories of Alcohol Use: Evaluating the Impact of a Policy of Authorizing Alcohol Sales in Some Grocery Stores in Ontario. [Thesis]. University of Waterloo; 2019. Available from: http://hdl.handle.net/10012/14998

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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