Department of Epidemiology

MPH


May 20, 2022

Earned income tax credit policy and unhealthy alcohol use: A difference-in-differences analysis of U.S. states, 2001-2019

Background: Unhealthy alcohol use is a major contributor to chronic diseases and mortality in the United States. There is variation in generosity of state Earned Income Tax Credit (EITC) which supplements the federal EITC, the largest poverty-alleviation program for low-earning working adults and their families. Prior studies have found income and employment to be associated…


Associations of Air Pollution and Gait Speed in Older Adults

Background: Air pollution is widely recognized as a threat to public health. The impact of long-term exposure to air pollution on gait speed trajectories over time have not been fully explored among US older adults. The specific aims of this study were to 1) examine the relationship between long-term exposure to air pollution and decline…


Examining the scope of homicide-suicide perpetrated by law enforcement: A population-based retrospective study using multiple frames, 2003 – 2017

Background: Domestic violence perpetrated by law enforcement is an understudied public health issue. Previous studies examining the prevalence domestic violence by law enforcement primarily rely on convenience sampling and self-reported measures, producing unreliable estimates. Homicide-suicide events, as a subset of domestic violence offenses, present a unique opportunity for study given the data collection practices of…


Evaluation of Cognitive Function in the Dog Aging Project: Associations with Baseline Canine Characteristics

Background Canine Cognitive Dysfunction (CCD) is a neurodegenerative disease in aging canines. It has been described previously in relatively small cohorts of dogs using multiple different rating scales. This study aimed to use a minimally modified CCD rating scale developed by previous researchers to describe the prevalence of CCD more thoroughly in a large, nationwide…


Prevalence, incidence and characteristics associated with asymptomatic urethral inflammation in men who have sex with women

Background: Despite the potential to increase risk for acquisition of HIV and other sexually transmitted pathogens, the frequency with which men experience asymptomatic urethral inflammation is unknown. To better understand the full spectrum of perturbations to the male urethra, we aimed to determine the prevalence, incidence, and risk factors for asymptomatic urethral inflammation in men…


Associations between isoniazid preventive therapy, non-tuberculous mycobacterial infection, and incipient TB signatures in people with HIV

Objective(s): To examine the association between isoniazid preventive therapy and incipient tuberculosis (TB) transcriptome-based signatures in persons with HIV (PWH) and to describe the association between non-tuberculous mycobacteria (NTM) and incipient TB signatures in PWH. Design: Cross-sectional study using clinical information and specimens obtained at one visit from previous cohort. Methods: Participants ages 18 to…


COVID-19 and Sexual and Reproductive Health Services in King County, Washington

Background: Lack of continuous access to high-quality sexual and reproductive health (SRH) services endangers individual- and population-level health. Understanding how the COVID-19 pandemic impacted SRH services will inform public health practices that guarantee access to SRH resources during times of future pandemics. The objective of this study was to investigate SRH prior to and during…


Impact of approval of biologic disease modifying anti-rheumatic drugs on juvenile idiopathic arthritis outcomes

Introduction: Juvenile idiopathic arthritis (JIA) affects nearly 300,000 US children, causing pain and physical disability. In clinical trials, biologic disease modifying antirheumatic drugs (bDMARDs) have been shown to decrease disease activity. We examined the effects of increased use of bDMARDs in realworld settings.Methods: We conducted a retrospective cohort study to assess outcomes in two cohorts…


The Impact of COVID-19 Stress on ART Adherence and Unsuppressed Viral Loads in People Living with HIV in Western Washington

Background: While current research finds that people living with HIV (PLWH) with suppressed HIV viral loads have similar likelihood of hospitalization and death due to COVID19 as the general population, COVID-19 stress may lead to decreased ability for PLWH to engage in care. Personal buffers, such as social support and identity characteristics, including US citizenship…


The Impact of the COVID-19 Pandemic on STI Testing in King County, WA

Background: It is unclear whether the observed decrease in STI cases during the COVID-19 pandemic is due to declines in STI testing and/or decreases in sexual activity. In this study, we sought to describe the impact of the COVID-19 pandemic on STI testing among sexually active young adults. Methods: This cross-sectional internet survey, conducted in…



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