Exploring the relationship between cannabis use expectancies and the initiation of cannabis use among Canadian adolescents
department or school: Medicine, Faculty of
department or school: Population and Public Health (SPPH), School of
data provider: DSpace
degree campus: UBCV
creator: Hapsari, Ayu Pinky
issued: 2017-09-29T17:21:37Z
issued: 2017
related degree: Master of Science - MSc
degree grantor: University of British Columbia
description: BACKGROUND: Canada has one of the highest reported rates of adolescent cannabis use among industrialized countries and plans to legalize recreational cannabis use for adults. However, research suggesting that cannabis use during adolescence may be associated with health risks has led to a call for monitoring the impact of legalization on use by adolescents. Based on evidence that identifies outcome expectancies (expectations regarding the effect of substance use) and intention to use as significant predictors of tobacco smoking and alcohol drinking among adolescence, monitoring efforts associated with the upcoming cannabis regulation may benefit from the use of similar predictors. OBJECTIVE: This study aimed to examine the validity of the Marijuana Effect Expectancy Questionnaire-Brief (MEEQ-B) as a measure of cannabis use expectancies and then examine the relationship between expectancies and the intention to use cannabis, as well as their predictive utility as indicators of future cannabis use. METHODS: Data were collected from 1592 high school students aged 14-16 years participating in British Columbia Adolescent Substance Use Survey during the 2011/2012 school year. Confirmatory factor analysis was conducted to evaluate the psychometric structure of the MEEQ-B, and generalized estimating equation (GEE) using logit link was used to examine the relationship between expectancies, intention to try, and initiation and lifetime use of cannabis. RESULTS: The initial two-factor structure of MEEQ-B did not provide a good fit to the data. However, cross-loading item 6 onto both positive and negative expectancies factors resulted in a good fit. After controlling for gender, ethnicity, age, and socio-economic status, results of the GEE indicated that positive expectancies were significantly and positively associated with lifetime cannabis use (AOR: 2.47), and initiation of cannabis within six months (AOR: 1.9), whereas the reverse trend was found for negative expectancies. …
aggregated CHO: https://circle.library.ubc.ca/rest/handle/2429/63148
note: EXPLORING THE RELATIONSHIP BETWEEN CANNABIS USE EXPECTANCIES AND THE INITIATION OF CANNABIS USE AMONG CANADIAN ADOLESCENTS by Ayu Pinky Hapsari B.Sc., The University of British Columbia, 2017 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE in THE FACULTY OF GRADUATE AND POSTDOCTORAL STUDIES (Population and Public Health) THE UNIVERSITY OF BRITISH COLUMBIA (Vancouver) September 2017 © Ayu Pinky Hapsari, 2017 ii Abstract BACKGROUND: Canada has one of the highest reported rates of adolescent cannabis use among industrialized countries and plans to legalize recreational cannabis use for adults. However, research suggesting that cannabis use during adolescence may be associated with health risks has led to a call for monitoring the impact of legalization on use by adolescents. Based on evidence that identifies outcome expectancies (expectations regarding the effect of substance use) and intention to use as significant predictors of tobacco smoking and alcohol drinking among adolescence, monitoring efforts associated with the upcoming cannabis regulation may benefit from the use of similar predictors. OBJECTIVE: This study aimed to examine the validity of the Marijuana Effect Expectancy Questionnaire-Brief (MEEQ-B) as a measure of cannabis use expectancies and then examine the relationship between expectancies and the intention to use cannabis, as well as their predictive utility as indicators of future cannabis use. METHODS: Data were collected from 1592 high school students aged 14-16 years participating in British Columbia Adolescent Substance Use Survey during the 2011/2012 school year. Confirmatory factor analysis was conducted to evaluate the psychometric structure of the MEEQ-B, and generalized estimating equation (GEE) using logit link was used to examine the relationship between expectancies, intention to try, and initiation and lifetime use of cannabis. RESULTS: The initial two-factor structure of MEEQ-B did not …
has type: Thesis/Dissertation
date issued: 2017-11
is shown at: 10.14288/1.0355846
language: eng
degree discipline: Population and Public Health
provider: Vancouver : University of British Columbia Library
publisher: University of British Columbia
rights: Attribution-NonCommercial-NoDerivatives 4.0 International
rights URI: http://creativecommons.org/licenses/by-nc-nd/4.0/
scholar level: Graduate
type: Text
identifier URI: http://hdl.handle.net/2429/63148