Browsing Public Health Sciences (School of) by Subject "youth"
Now showing items 1-20 of 20
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Body Mass Index and Missing Data: Examining the Levels, Patterns, and Impacts of Missing Data in a Large Cohort Study of Canadian Youth
(University of Waterloo, 2022-12-19)Missing data are generally unavoidable in survey-based research. Small amounts of random missingness may not pose significant problems; however, issues arise when data are missing in large proportions or when missingness ... -
The Diets of On-reserve First Nations Youth: An Exploration of the Factors Associated with Healthy Food Choices and the Impact of School and Community Programs
(University of Waterloo, 2016-01-19)Background. In Canada, First Nations (FN) people experience poorer health outcomes and shorter life expectancies than non-Aboriginal people. Of particular concern are the high and rising prevalence rates of overweight and ... -
Evaluating the Impact of Changes to School-Level Alcohol Prevention Policies and Programs on Youth Binge Drinking: A Longitudinal Analysis of the Year 2 and Year 3 Data of the COMPASS Study
(University of Waterloo, 2016-06-15)Objective: The purpose of this study was to investigate the effectiveness of alcohol prevention policies and programs implemented in a linked sample of Ontario COMPASS high schools in reducing youth binge drinking over ... -
Examining how changes in school-level intramurals impact physical activity among Ontario youth over time: A natural experiment evaluation from the COMPASS study
(University of Waterloo, 2021-06-21)Introduction: Moderate-to-vigorous physical activity (MVPA) has many health benefits for youth. However, the majority of Canadian youth are falling short of the recommended 60 minutes of MVPA per day. Since youth spend a ... -
Examining trends, predictors, and mediators of e-cigarette use and smoking among Canadian youth: Findings from the COMPASS study
(University of Waterloo, 2021-04-19)Abstract The objectives of this dissertation were to (1) examine trends and predictors of youth e-cigarette use and cigarette smoking, (2) explore potential mediators of the association between initial e-cigarette use ... -
Exploring reluctancy towards help-seeking at school among youth in the COMPASS study
(University of Waterloo, 2020-07-06)Background: Despite the high prevalence of mental health problems that emerge during adolescence, it has been observed that young people are among the least likely to seek help. Considering that many adolescents spend most ... -
Exposure to fad diet advertising among youth and young adults in Canada
(University of Waterloo, 2018-09-20)Background: The prevalence of obesity in Canada continues to increase. Although many Canadians report trying to manage their weight, few follow dietary guidelines recommended by health authorities. In contrast, many consumers ... -
The Freedom to Choose: Sustainable livelihoods and (im)mobility decisions among youth in rural Honduras
(University of Waterloo, 2020-12-22)Background: Youth living in remote communities of Honduras face considerable barriers to establishing sustainable livelihoods, with implications for their well-being. In response to these barriers, many rural youth migrate ... -
Gender Differences in Chronic Disease Risk Behaviours and their Association with Body Mass Index: Cross-sectional and Longitudinal Multilevel Analyses Among a Large Sample of Youth.
(University of Waterloo, 2019-08-20)Obesity has become a worldwide concern due to the escalating number of individuals who have overweight or obesity. The prevalence of overweight/obesity among youth aged 12-17 years old was 37% in 2012-2013, as reported in ... -
A gender-stratified, multilevel latent class assessment of chronic disease risk behaviours' association with Body Mass Index among youth in the COMPASS study
(Elsevier, 2019-09)This paper sought to examine chronic disease risk behaviour latent classes and their association with Body Mass Index (BMI), assessing for gender differences. Participants were youth (n = 116,086; grades 9–12) enrolled in ... -
Identifying patterns of alcohol use among secondary school students in Canada: A multilevel latent class analysis
(Elsevier, 2020-01)Harm from alcohol use depend not only on the volume of consumption but also on drinking patterns. This study identifies patterns of alcohol consumption in youth and investigates how these patterns vary across schools and ... -
Multi-level analysis of school characteristics, based on the Comprehensive School Health Framework, associated with physical activity in a large sample of Ontario and Alberta secondary school students
(University of Waterloo, 2021-12-20)Physical activity (PA) has many physical and mental health benefits, but only 24.4% of youth achieve the recommended minutes of moderate-to-vigorous PA (MVPA). Schools are an important context for changing modifiable health ... -
Obesity, Physical Activity and Sedentary Behaviour Among Canadian First Nations Youth: An Exploration of Associated Factors and Evaluation of a School Sports Program
(University of Waterloo, 2016-01-19)Background: Secondary to inequities in several determinants of health, Canadian Aboriginal youth are affected by a higher prevalence rate of obesity and chronic disease than the general population. While the factors ... -
Psychometric Properties and Informant Agreement of the WHODAS 2.0 in Youth with Mental Disorder and their Parents
(University of Waterloo, 2021-05-21)Background: Mental disorders affect one in five youth and the impact of these disorders extend across the life course. Functional impairment moderates many of the negative effects of mental disorders; however, its assessment ... -
A qualitative examination of the impact of social restrictions during COVID-19 pandemic on social relations and social interactions of adolescents aged 12-18 years in Ontario, Canada
(University of Waterloo, 2022-10-24)Background: The novel coronavirus outbreak (COVID-19) was declared a global pandemic by the World Health Organization (WHO) in March 2020 (WHO, 2020). The government of Ontario declared a stay-at-home order where schools ... -
A quasi-experimental examination of how changes in school-level intramurals are associated with physical activity among a sample of Canadian secondary school students from the COMPASS study
(Elsevier, 2021-06)Introduction Intramurals in schools may encourage physical activity among youth. Schools are continuously making changes to these intramurals, yet it is not well understood how these changes impact youth physical activity. ... -
School start time changes in the COMPASS study: associations with youth sleep duration, physical activity, and screen time
(Elsevier, 2018-10-12)Background To date, no longitudinal population-based studies of school start times have been conducted within Canada. School schedule changes provided an opportunity to examine start times in association with youth sleep, ... -
Substance Use and Marginalization Among Youth Living with Mental Health Conditions in Ontario
(University of Waterloo, 2022-06-01)Background: Approximately 70% of mental health problems have their onset in childhood or adolescence. In 2019, data from the Canadian population showed that mental and substance use conditions were highest among youth and ... -
Trends in youth cannabis use across cannabis legalization: Data from the COMPASS prospective cohort study
(Elsevier, 2021-06)Canada legalized recreational cannabis use for adults on October 17, 2018 with decision-makers emphasising the need to reduce cannabis use among youth. We sought to characterise trends of youth cannabis use before and after ... -
Using Decision Trees to Examine the Influence of the School Environment on Youth Mental Health
(University of Waterloo, 2022-12-22)Youth mental health is a current public health priority in Canada, with nearly one in four young people living with a mental illness. The contextual school environment can be particularly influential given the considerable ...