Browsing University of Waterloo by Subject "epidemiology"
Now showing items 1-16 of 16
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The Association Between Depressive Symptoms and Executive Function in the Canadian Longitudinal Study on Aging
(University of Waterloo, 2019-08-29)Populations around the world are aging at a rapid pace, presenting new challenges for health services. This is because older adults encounter a different set of challenges than younger age groups, such as an increase in ... -
The Association Between Social Support Availability and Executive Function in the Canadian Longitudinal Study on Aging
(University of Waterloo, 2019-06-20)While an aging population is a good indication of advances being made in health and life expectancy, demographic change presents new concerns for public health. An older population faces different challenges than a younger ... -
The Association Between Social Support Availability and Memory: A Cross-Sectional Analysis of the Canadian Longitudinal Study on Aging
(University of Waterloo, 2020-06-18)Population aging leads to a rise in the prevalence of age-related cognitive decline. While some declines in the memory domain of cognitive function are expected as people age, deterioration beyond a certain point may reduce ... -
The Association of Multilingualism and Written Linguistic Ability with Mild Cognitive Impairment in the Nun Study
(University of Waterloo, 2022-09-26)Background: Multilingualism may be associated with enhanced cognitive function and reduced risk of mild cognitive impairment (MCI) due to enhanced cognitive reserve. Objectives: To investigate the association of ... -
The associations between insulin, hypoglycemia, and dementia: Combating threats to internal validity in a series of population-based cohort studies
(University of Waterloo, 2023-05-01)Although the association between type 2 diabetes and dementia is recognized, findings from the epidemiology literature on the effect of insulin and one of its side effects, hypoglycemia, are less clear. The currently ... -
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 ... -
Community Surveillance of Omicron in Ontario: Wastewater-based Epidemiology Comes of Age
(Research Square, 2022-03-15)Wastewater-based surveillance of SARS-CoV-2 RNA has been implemented at building, neighbourhood, and city levels throughout the world. Implementation strategies and analysis methods differ, but they all aim to provide rapid ... -
Comparative Clinical and Cost-Effectiveness Analysis of First- and Second-Line Therapies for the Treatment of Advanced or Metastatic Non-Small-Cell Lung Cancer in Ontario, Canada
(University of Waterloo, 2021-10-01)Background: Lung cancer is the most commonly diagnosed cancer and the leading cause of cancer-related deaths in Canada. Over the last decade, significant advancements in treatments for non-small-cell lung cancer (NSCLC) ... -
Examining the Connection: Traumatic Life Events, Substance Use, and Service Utilization Among Persons Admitted to Inpatient Psychiatry in Ontario
(University of Waterloo, 2023-11-06)Background Experiencing traumatic life events and the symptoms that follow have been associated with an increased risk for other mental health conditions. Among individuals who have experienced traumatic life events, ... -
Identifying patterns of delinquency and victimization and their associations with mental disorders: a population-based investigation among Ontario children
(University of Waterloo, 2023-10-12)Childhood and early adolescence are a critical period when individuals are at greater risk of engaging in delinquent behaviours – such as theft, vandalism, and assault – as committers, victims, or both. Current data on ... -
The Impact of Family Functioning on Child Mental Health Service Use and Access
(University of Waterloo, 2019-05-31)In Canada, the prevalence of mental illness is high among young people with 13% of Canadian youth aged 15-24 years affected. This striking mental health burden warranted further investigation of the contextual (i.e., ... -
Infectious Disease Modeling with Interpersonal Contact Patterns as a Heterogeneous Network
(University of Waterloo, 2016-09-26)In this thesis, we study deterministic compartmental epidemic models. The conventional mass-mixing assumption is replaced with infectious disease contraction occurring within a heterogeneous network. Modeling infectious ... -
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 ... -
The Role of Wastewater Testing for SARS-CoV-2 Surveillance
(Ontario COVID-19 Science Advisory Table, 2021-08-26)Wastewater testing for SARS-CoV-2 is relatively new; however, it builds on existing public health surveillance infrastructure. There is a limited but growing evidence base for its use, despite notable interpretation ... -
A Study of Infectious Disease Models with Switching
(University of Waterloo, 2009-05-20)Infectious disease models with switching are constructed and investigated in detail. Modelling infectious diseases as switched systems, which are systems that combine continuous dynamics with discrete logic, allows for the ... -
Viewing Trends in Graph Connectivity as Early Warnings of Epidemics and Vaccine Crises
(University of Waterloo, 2020-12-15)When measles was rampant, suffering apparent, and relief desired, the prospect of vaccination was received with open arms by a grateful public. But it worked \emph{too} well, and opinions slowly diverged; scientists saw ...