Department of Epidemiology

Graduate


December 26, 2023

Characterizing SARS-CoV-2 infection burden and COVID-19 vaccination intent and uptake in congregate shelters in Seattle, WA

Community-based surveillance studies can be appropriately leveraged to characterize the burden of emerging pathogens, especially in hard-to-reach populations such as people experiencing homelessness (PEH). Prior respiratory viral studies among PEH populations have shown evidence of increased morbidity and mortality compared to the general population, likely associated with a high prevalence of co-occurring health conditions, though…


Understanding methamphetamine and opioid co-use: national trends and local harm reduction strategies for overlapping illicit drug use

In the past 20 years, the United States has seen a remarkable increase the use of both methamphetamine and opioids, used concurrently or simultaneously. A more detailed picture is needed to understand where methamphetamine-opioid co-use is increasing nationally, as well as the characteristics of people who co-use. Methamphetamine-opioid co-use has become particularly prevalent in Seattle,…


The Impact of a Walk-In HIV Care Model for People who are Incompletely Engaged in Care: the Moderate Needs (MOD) Clinic

The MOD Clinic in Seattle, Washington provides walk-in primary care for people with HIV who are incompletely engaged in standard care.Methods: We evaluated HIV outcomes among patients enrolled in the MOD Clinic (within group analysis) and, separately, among MOD patients vs. patients who were MOD-eligible but did not enroll (comparison group analysis) during 1/1/2018-9/30/2021. The…


Associations of Maternal Exposure and Characteristics with Placental Transcription Regulation and Consequences on Fetal Growth

The placenta is a key organ in pregnancy and its dysfunction can lead to pregnancy complications as well as adverse maternal and fetal outcomes. While evidence for adverse consequences of maternal characteristics (such as obesity) or environmental exposures (e.g. particulate matter under 2.5 μm in diameter, PM2.5) on the course and outcomes of pregnancy has…


Tuberculosis Risk and Prevention: Findings from Domestic and Global Cohorts

Tuberculosis is a highly infectious disease, leading to disproportionate morbidity and mortality amongst vulnerable populations such as immigrants, adolescents and young adults (AYA), and people living with HIV (PLWHIV). Approximately one quarter of the global population is infected with TB, which can develop into TB disease due to a myriad of factors. There has been…


Difficulty Walking and Contraceptive Use among Reproductive Aged Women: The 2019 CDC’s Behavioral Risk Factor Surveillance System (BRFSS)

A disproportionate number of physically disabled women face barriers to timely and appropriate reproductive healthcare. Yet, little is known about the relationships between functional limitations and contraceptive use. Further, racial minorities (e.g., Black and Hispanic disabled women) in the United States frequently experience racial inequality related compounding factors that exacerbate lack of access to quality…


Identifying opportunities to reduce cervical cancer prevention disparities in Western Washington

Cervical cancer screening (CCS) and human papillomavirus (HPV) vaccination are at the heart of the global cervical cancer elimination movement. However, in the United States (US), less than two thirds of age-eligible adolescents are up to date for HPV vaccination, and screening coverage among minorities and immigrants is still low. This dissertation addressed critical knowledge…


Exploring the online and in-person epidemiology and etiology of white supremacy

Racism, a common facet of white supremacy, is increasingly understood to be a major threat to both the health of democracy in the United States and to the public’s health. However, our understanding of white supremacy and white supremacy culture is still limited. In this dissertation, we examine two violent examples of where and how…


Examining the Interplay of Social Support, Depression, and Blood Pressure: The Strong Heart Family Study

Compared to the general US population, American Indian (AI) adults have disproportionately higher rates of mental health symptoms, including depression. In 2019, over 18% (n=260,000) of surveyed American Indians/Alaska Natives (AI/AN) 18 years of age or older experienced mental illness during the past year. Several cross-sectional studies have also shown that depression is common in…


Improving the Efficiency and Effectiveness of Assisted Partner Services for HIV in Western Kenya

To control the HIV epidemic in Sub-Saharan Africa, it is crucial to increase the proportion of people who know their serostatus. In Kenya, approximately 1.6 million people are living with HIV (PLWH), of whom it is estimated that 21% are unaware of their status. Assisted partner services (APS) are programs that help to identify and…



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