Search Results - "Williams, Gillian C"

Objectively measured active transportation to school and other destinations among 10-13 year olds by Williams, Gillian C, Borghese, Michael M, Janssen, Ian

“…Descriptive data on active transportation in children focuses on the trip to school and has relied on subjective reports. The purpose of this study was to use…”
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High school sport participation and substance use: A cross-sectional analysis of students from the COMPASS study by Williams, Gillian C., Burns, Kathleen E., Battista, Kate, de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

“…•Over half the sample did not participate in any school sports.•32% of youth reported use of one or more substances.•Intramurals were negatively associated…”
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An examination of how age of onset for alcohol, cannabis, and tobacco are associated with physical activity, screen time and BMI as students are preparing to graduate from high school by Williams, Gillian C, Battista, Kate, Leatherdale, Scott T

“…AbstractIntroductionIn this study we examined the co-occurrence of alcohol, cannabis, and tobacco among a large cohort of grade 12 students in Canada, and then…”
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Investigating individual-level correlates of e-cigarette initiation among a large sample of Canadian high school students by Williams, Gillain C, Cole, Adam G, de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T

“…Having a better understanding of individual factors associated with e-cigarette initiation can help improve prevention efforts. Therefore, this study aimed to…”
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A cross-sectional examination of the association between co-ed and gender-specific school intramural programs and intramural participation among a sample of Canadian secondary school students by Williams, Gillian C., Burns, Kathleen E., Battista, Kate, de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

“…Intramurals are an important part of the physical activity offerings in secondary schools; however, it is not well understood how co-ed and gender-specific…”
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Objectively measured crime and active transportation among 10–13 year olds by Vonderwalde, Mijal, Cox, Justyna, Williams, Gillian C, Borghese, Michael M, Janssen, Ian

“…AbstractThis study examined the temporal relationship between objective measures of neighborhood crime and active transportation among children. A sample of…”
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Prevalence and correlates of youth poly-substance use in the COMPASS study by Zuckermann, Alexandra M.E., Williams, Gillian C., Battista, Katelyn, Jiang, Ying, de Groh, Margaret, Leatherdale, Scott T.

“…•53% of youth who use substances use two or more.•E-cigarettes are most combined with other substances.•Family support, school connectedness, and school…”
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An examination of how age of onset for alcohol, cannabis, and tobacco are associated with school outcomes in grade 12 by Williams, Gillian C., Battista, Kate, Leatherdale, Scott T.

“…•74% of grade 12 students reporting having ever tried alcohol.•Students who abstained from substance use had better school outcomes.•Students who initiated…”
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More support needed: Evaluating the impact of school e-cigarette prevention and cessation programs on e-cigarette initiation among a sample of Canadian secondary school students by Williams, Gillian C., Cole, Adam G., de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

“…Given the recent increase in e-cigarette use among adolescents, there is a need to further explore how school programs are associated with e-cigarette…”
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Étude des corrélats individuels de l’initiation à la cigarette électronique dans un vaste échantillon d’élèves canadiens du secondaire by Williams, Gillian C., Cole, Adam G., de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

“…Introduction Une meilleure compréhension des facteurs individuels associés à l’initiation à la cigarette électronique contribuerait à l’amélioration des…”
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Associations between Longitudinal Patterns of Substance Use and Anxiety and Depression Symptoms among a Sample of Canadian Secondary School Students by Williams, Gillian C., Patte, Karen A., Ferro, Mark A., Leatherdale, Scott T.

“…The objective of this study is to examine the longitudinal associations between latent classes of substance use and anxiety and depression scores among youth…”
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Longitudinal associations between bullying and alcohol use and binge drinking among grade 9 and 10 students in the COMPASS study by Williams, Gillian C., Battista, Kate, deGroh, Margaret, Jiang, Ying, Morrison, Howard, Leatherdale, Scott T.

“…Objectives Adolescents involved in bullying are at increased risk for alcohol use; however, much of this research has been cross-sectional. The aim of this…”
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High School Intramural Participation and Substance Use: A Longitudinal Analysis of COMPASS Data by Williams, Gillian C., Burns, Kathleen E., Battista, Kate, de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

“…There is an association between sports participation and substance use. However, there is some evidence that intramural sports in high school may not have the…”
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Substance use classes and symptoms of anxiety and depression among Canadian secondary school students by Williams, Gillian C, Patte, Karen A, Ferro, Mark A, Leatherdale, Scott T

“…Few studies have assessed patterns of substance use among Canadian adolescents. This cross-sectional study examined substance use classes among Canadian…”
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Catégories de consommation de substances et symptômes d’anxiété et de dépression chez les élèves du secondaire au Canada by Williams, Gillian C., Patte, Karen A., Ferro, Mark A., Leatherdale, Scott T.

“…Introduction Peu d’études ont évalué les habitudes de consommation de substances chez les adolescents canadiens. Cette étude transversale porte sur les…”
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Neighborhood walkability and objectively measured active transportation among 10–13 year olds by Williams, Gillian C., Borghese, Michael M., Janssen, Ian

“…Current active transportation literature within children is based almost exclusively on questionnaire measures of the trip to school. This literature suggests…”
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Developmental Trajectories of Cannabis and Alcohol Use Among a Longitudinal Sample of Secondary School Students in Ontario by Gohari, Mahmood R., Williams, Gillian C., Leatherdale, Scott T.

“…ABSTRACT Objectives: Cannabis and alcohol are the 2 most prevalent substances used by youth and co-occurring use is common. This study identifies conjoint…”
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Original quantitative research - Investigating individual-level correlates of e-cigarette initiation among a large sample of Canadian high school students by Williams, Gillian C., Cole, Adam G., de Groh, Margaret, Jiang, Ying, Leatherdale, Scott T.

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Exploring the Bi-Directional Associations Between Poly-Substance Use and Symptoms of Anxiety and Depression Among a Large Sample of Canadian Adolescents by Williams, Gillian C., Patte, Karen A., Ferro, Mark A., Leatherdale, Scott T.

“…ABSTRACTRésumé Objectives: Research has demonstrated a cross-sectional link between poly-substance use and anxiety and depression. However, there is limited…”
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