Department of Public Health Sciences Graduate Theses
Recent Submissions
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Hepatitis C antibody and RNA tests for adults in provincial and federal correctional facilities in Ontario, Canada: a population-based study
BACKGROUND: Prevalence of Hepatitis C virus (HCV) has been shown to be high in correctional facilities. Testing for HCV begins with a blood test for antibodies followed by an HCV ribonucleic acid (RNA) test to establish ... -
Assessing the Geographic and Socioeconomic Determinants of Private Well Water Testing Practices in Southern Ontario
Purpose: An estimated 4.3 million Canadians use private wells for daily water consumption, however well testing rates are declining, potentially resulting in an increased risk of exposure to groundwater contaminants ... -
A Multi-Site Evaluation of Contact-Based Anti-Stigma Programs For High School Youth
Adolescents have become an important target for contact based anti-stigma programs. Research on mental health stigma reduction in adolescents has been hindered by lack of validated measures to evaluate interventions. To ... -
Colorectal cancer diagnostic pathways in Ontario
Purpose: The purpose of this study was to differentiate diagnostic pathways in colorectal cancer in Ontario through the development of a pathway categorization scheme, and evaluate the patient-, disease-, system-related ... -
The association between area- and individual-level risk factors and chlamydia infection a sexual health clinic
Background: Chlamydia is the most common sexually transmitted infection (STI) in Canada. Although the literature has focused on individual-level risk factors as the greatest determinants for chlamydia infection, more recent ... -
Exploring Perceptions of Public Stigma as a Mediator in the Relationship between Number of Depressive Symptoms and Mental Health Treatment-Seeking Behaviours
Background: Individuals with more depressive symptoms are more likely to seek treatment. However, there is evidence suggesting that these same individuals may be more likely to feel stigmatized. As expectations of public ... -
Physical Activity Participation in Ovarian Cancer Survivors: Prevalence, Determinants and Association with Patient Reported Outcomes
Objectives: The primary objectives were (1) to estimate the prevalence of meeting physical activity (PA) guidelines among ovarian cancer survivors in the post-treatment period and (2) to identify the determinants of meeting ... -
EMOTIONAL AND PHYSICAL CHILD ABUSE IN THE AFTERMATH OF NATURAL DISASTERS: A FOCUS ON HAITI
Background: Child abuse remains a public health and human rights issue with severe consequences. Natural disasters can cause physical, social, and psychological stressors, which may lead to an increase in child directed ... -
Shift work, sleep quality, and hypertension among working adults in Ontario
Background: The epidemiological evidence supporting an association between shift work, and cardiovascular diseases and hypertension is growing. However, few population-based studies have explored the relationship between ... -
INFLUENCE OF ENVIRONMENTAL RISK FACTORS OF COLORECTAL CANCER AND GENE-ENVIRONMENT INTERACTIONS ON LINE-1 DNA METHYLATION
Introduction: This study examined the association between established colorectal cancer (CRC) risk factors and LINE-1 DNA methylation in healthy colon tissue, and whether genes involved in one-carbon metabolism modify ... -
Distance to specialist medical care and diagnosis of obstructive sleep apnea in rural Saskatchewan
Background: Obstructive sleep apnea (OSA) is the most common sleep-disordered breathing condition. Rural populations in Canada may be particularly at risk due to high reported levels of obesity, physical inactivity and ... -
Comparison of a Newly Proposed Staging System with 7th Edition AJCC/UICC System for Surgically Resected Patients with Intrahepatic Cholangiocarcinoma
Background: Intrahepatic cholangiocarcinoma (IHCC) is a rare but lethal primary liver cancer. Debate exists about whether tumor size should be considered in disease staging. This study aimed to examine the association ... -
Influence of the UGT2B17 Gene on the Relationship Between Exemestane and Bone Mineral Density in Postmenopausal Women
Background: In the Mammary Prevention.3 (MAP.3) randomized placebo-controlled trial of exemestane, postmenopausal women experienced a loss in bone mineral density (BMD). UGT2B17 facilitates excretion of androgens and ... -
The Impact of the Adoption of a Patient Rostering Model on Patient Access and Continuity of Care
Context: Greater continuity and access to primary care results in improved patient health, satisfaction, and reduced healthcare costs. Although patient rostering is considered to be a cornerstone of a high performing primary ... -
Surgery, Anesthesia, and Risk for the Development of Dementia
As Canadians continue to live longer, more older adults are undergoing surgical procedures. These procedures can leave patients at an increased risk for medical complications, and there has been growing interest in a ... -
Physical Activity, Sedentary Time, Sleep Duration, and Self-Rated Health in Older Adults: A Compositional Analysis
Purpose: The purpose of this study was to determine the relationship between movement behaviours that make up a day and self-rated health (SRH) in adults aged 60-79, while adjusting for time spent in all other behaviours. ... -
Measuring the Quality of Personal Care in Prostate Cancer Radiotherapy
Background: Quality of care includes both technical and non-technical elements of care (personal care). We previously developed a questionnaire to assess the quality of personal care in prostate cancer radiotherapy. The ... -
Exploring the Barriers and Suggestions for Improvement to Delivering Palliative Health Care Services in Four Underserved Rural Canadian Settings
As the size of Canada’s elderly population continues to grow, so will the demand for palliative (or end-of-life) health care services, which strive to improve the quality of life of those suffering with life-threatening ... -
Investigating Occupational Exposure to Monocyclic Aromatic Hydrocarbons and Lung Cancer in Males of the Metropolitan Montréal Area
Background: Monocyclic aromatic hydrocarbons (MAHs) are a family of chemicals that include benzene, toluene, and xylene. These three chemicals are ubiquitous agents that are present in a number of occupational and environmental ... -
The Effects of Prenatal Prescription Medication Exposure on Neonatal Abstinence Syndrome
Background: The increased occurrence of neonatal abstinence syndrome (NAS) is a major public health concern within Canada and the United States. NAS is a drug withdrawal syndrome caused by the abrupt cessation of prolonged ...
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