Epidemiology Commons^™

A Comprehensive Literature Review Of Barriers To Hormone Therapy Utilization: Strategies For Improving Menopause Management In Women Aged 40-60, Suhan Lee

Capstone Experience: Master of Public Health

Menopause is a natural transition marked by the cessation of ovarian activity, often accompanied by vasomotor symptoms (VMS), genitourinary syndrome of menopause (GSM), and psychological changes that significantly impact women’s quality of life. Hormone therapy (HT) has been the primary treatment for managing menopausal symptoms, particularly VMS, providing substantial relief when initiated within 10 years of menopause. Despite its effectiveness, HT usage has declined dramatically over the past two decades primarily due to barriers such as stigma, safety, misinformation, provider hesitancy, financial barriers, and cultural beliefs. This comprehensive literature review explores key factors influencing HT decision-making, including the media’s role …

Ocular Surface Squamous Neoplasia (Ossn) Risk Factors In Lusaka, Zambia: The Role Of Hiv And Socioeconomic Status, Stepfanie N. Siyumbwa, Peter Julius, Tabitha Nkhata, Obvious N. Chilyabanyama, Abraham Mengist, Gleb Haynatzki, Charles Wood

Capstone Experience: Master of Public Health

Objective

To identify and evaluate potential risk factors for OSSN at the University Teaching Hospital (UTH) in Lusaka, Zambia.

Methods

Data from 475 patients were analyzed retrospectively, and it included 390 with OSSN and 85 with benign biopsies. Variables with significance values

Results

Several key predictors of OSSN were identified after controlling for confounders in the household cooks sub-population, these were, a lower household income (adjusted odds ratio [aOR] = 0.64, 95% CI: 0.46–0.90, p = .009), a Lab confirmed HIV-positive status (aOR = 3.56, 95% CI: 1.72–7.21, p = .001) and exposure to biomass smoke (aOR = 2.47, 95% …

A Cohort Study Examining The Risk Of Smoking On The Likelihood Of Developing Angina Among Women Under Age 65, Sarah Ward

Capstone Experience: Master of Public Health

Objective:

To determine if current smoking status is a risk factor for angina among women under the age of 65.

Methods:

A subset of participants from the Framingham Heart Studywere used to complete a cohort study. The analyses evaluated population means and characteristics, followed by bivariate and multivariable logistic regression, to determine the association of smoking and other key factors with angina.

Results:

Smoking status had a significant association to angina(OR 0.67, 95% CI: 0.52, 0.86, p-value= 0.0015). Age as a categorical variable had a significant relationship with angina (OR 0.97, 95% CI: 0.617, 1.520, p-value=

Conclusions:

Smoking had a …

Investigating The Association Of Total Cholesterol Level And Odds Of Angina In Women Over 40: A Cohort Study Using Data From The Framingham Heart Study, Katelyn Mitchell

Capstone Experience: Master of Public Health

Objective To investigate the association between total cholesterol level and the odds of experiencing angina in women over the age of 40.

Methods This retrospective cohort study was conducted using a subset of the cohort from the Framingham Heart Study to create a multivariable logistic regression model for analysis. Out of the 4,434 participants in the Framingham cohort, 2,148 participants were women over the age of 40 and included in this study.

Results Of the participants who experienced angina (n=308) in this study, 62% had high cholesterol at the baseline. After controlling for age, women with high cholesterol had 2.03 …

Exploration Of Canine T. Cruzi Seroprevalence As A Trigger For Enhanced Human Chagas Surveillance, Brittany N. Hocking

Capstone Experience: Master of Public Health

Background: Chagas disease, caused by the parasite Trypanosoma cruzi, is endemic in many Latin American countries and now the southern United States. An increasing number of Chagas cases in the U.S. have occurred because of autochthonous transmission and enzootic cycles involving infected wildlife and domestic animals, like canines.

Objective: This study aimed to explore canine seroprevalence as a trigger for enhanced human Chagas surveillance by describing detected U.S. T. cruzi from human and canine testing data, creating maps to explore geographic areas with potential high yield for T. cruzi surveillance via animal testing, and developing a SWOT analysis for …

Examining The Relationship Between Deafness And Mental Health Status: An Analysis Of The Behavioral Risk Factor Surveillance System (Brfss) 2022, Brianna Stroud-Williams

Capstone Experience: Master of Public Health

Objective: The objective of the research is to examine the association between mental health status as measured by number of mentally healthy days in the past month and deafness and binge drinking.

Methods: The Behavioral Risk Factor Surveillance System (BRFSS) study was conducted via telephone survey in 50 states, including the District of Columbia and US territories. The sample size is 402,156 participants. Univariate, bivariate, and multivariate regressions, odds ratio, and 95% confidence interval were used to measure the data.

Results: Deaf respondents have 1.56 times the odds of having poor mental health than those who are not deaf. (95% …

Hiv Testing Among High-Risk Individuals In The Us: 2022 Brfss, Alissa Lorchick

Capstone Experience: Master of Public Health

Objective

Human Immunodeficiency Virus (HIV) infection is a global epidemic, and public health efforts are moderately effective to date. This cross-sectional study aimed to determine association between high-risk behavior (intravenous drug use, risky sexual behaviors) and odds of testing for HIV utilizing 2022 Behavioral Risk Factor Surveillance System (N= 445,132).

Methods

Using SAS 3.82, the age-stratified logistic regression model for exposure (high-risk behavior) and outcome (HIV testing) included covariates gender, race, income, mental health and checkup frequency.

Results

High-risk individuals had greater odds of testing compared to low-risk individuals (crude POR 2.98 [2.81 – 3.17]), with greatest odds observed among …

Examining The Impact Of Racial And Ethnic Disparities In Colorectal Cancer Screening Compliance In The United States And The Potential Of Targeted Interventions., Jessica Ware

Capstone Experience: Master of Public Health

Objectives:

Examine Colorectal cancer (CRC) screening compliance among racial and ethnic groups in the United States (US) based on the US Preventive Services Task Force (USPSTF) recommendations.

Identify targeted interventions to promote screening compliance, early diagnosis, and CRC survivorship.

Methods: This cross-sectional study utilized 165,878 selected participant responses from the 2022 Behavioral Risk Factor Surveillance System. We modeled and investigated CRC screening compliance based on the USPSTF recommendations as inclusion criteria between racial/ethnic groups in the US while adjusting for covariates using a weighted stepwise logistic regression.

Results: With covariates adjustment, Hispanics (POR 1.16 95%CI 1.04-1.29), Asian …

Disparities In Seasonal Influenza Immunization Between Hispanic And Non-Hispanic White Populations Within The United States: Findings From The 2022 Behavioral Risk Factor Surveillance System, Susanna Stageberg

Capstone Experience: Master of Public Health

Objective: To determine if inequities in influenza immunization exist between Hispanic and non-Hispanic White populations living in the United States.

Methods: Statistical analyses were executed to study the association between ethnicity and influenza immunization. Logistic regression was performed to determine probabilities related to vaccination. Data from the 2022 Behavioral Risk Factor Surveillance System (BRFSS) was utilized.

Results: Hispanic respondents had higher odds of not being vaccinated against the flu when compared to non-Hispanic White respondents (COR = 1.82, 95% CI [1.73, 1.91]). Ethnicity, household income, education, insurance status, age, sex, preferred language, and primary care provider status …

One Year Follow Up Of A Cross-Sectional Study Of Hookworm Infection And Response To Deworming In Beposo, Ghana, Taylor Clarkson

Capstone Experience: Master of Public Health

Hookworms are soil-transmitted helminths that infect over 500 million people worldwide, primarily those in low-income countries. Infection with hookworm can cause anemia, malnutrition, and stunted physical and cognitive development. Deworming campaigns have attempted to combat hookworm infections in endemic areas for decades. However, there is growing variability in the effectiveness of deworming drugs, and post-treatment reinfections are abundant. There are significant gaps in our understanding of critical host-parasite factors that mediate hookworm infection, reinfection, and response to deworming treatment in endemic communities. A five-year prospective study was undertaken to better understand drivers of hookworm infection in rural Ghana and thus …

Associations Between Self-Reported Cognitive Decline And Chronic Diseases: A Cross-Sectional Analysis Of Behavioral Risk Factor Surveillance System (Brfss) 2022, Hailey Child

Capstone Experience: Master of Public Health

Objective: This study seeks to capture how self-reports measure cognitive decline. The association between chronic conditions and cognition with age consideration in individuals aged 45 and older is investigated.

Methods: Univariate analysis generates frequencies and weighted percentages of 2022 BRFSS data. Chi-square tests and polytomous regressions generate odds ratios for bivariate analyses. A weighted multiple logistic regression model stratified by age group analyzes self-reported cognitive decline.

Results: Respondents ages 45 to 54 with three or more chronic diseases have the highest odds (OR = 6.81; 95% CI = 4.42, 10.48) of cognitive decline. Respondents 75 and older …

A Cross-Sectional Analysis Of Adverse Childhood Experience Exposure On Cancer Diagnosis Utilizing The 2022 Behavioral Risk Factor Surveillance Survey Data, Emma Zipperer

Capstone Experience: Master of Public Health

Objective: To determine the association between Adverse Childhood Experiences (ACEs) and cancer diagnosis based on ACE exposure levels.

Methods: We utilized data collected in the 2022 Behavioral Risk Factor Surveillance System (BRFSS) survey. The study population (n=54,148) was restricted to states that reported on the optional model of experiencing ACEs and those who responded about cancer diagnosis. A univariate analysis, bivariate analysis and a multivariate logistic regression were performed. Odds of cancer diagnosis among those with differing ACE exposure levels were calculated.

Results: High ACE exposure had 20% higher odds of cancer diagnosis when compared to low ACE exposure. White, …

The Relationship Between Self-Reported Mental Health And Body Mass Index Among Adults In The United States Using The 2021 Behavioral Risk Factor Surveillance System (Brfss), Madhur Pandey

Capstone Experience: Master of Public Health

Objective

This study investigated the link between frequent mental distress (FMD) and body mass index (BMI) in 2021 among U.S. adults, while considering sociodemographic and lifestyle factors.

Methods

Using 2021 Behavioral Risk Factor Surveillance System (BRFSS) data, we analyzed the association between BMI as the dependent variable and FMD as the independent variable, considering the sociodemographic factors and lifestyle variables. Logistic regression models were applied.

Results

In our sample, 30.7% had a normal BMI, while 69.3% were outside the normal range. Of these, 85.1% reported infrequent mental distress, whereas 14.9% reported FMD. Those with FMD were more likely to have …

A Qualitative Analysis Of Candida Auris Laboratory Surveillance In Nebraska, Lissa M. Young

Capstone Experience: Master of Public Health

Objectives: Candida auris is an emerging pathogenic yeast that was first identified in Japan in 2009 and detected in the United States in 2015. As of 2020, C. auris has been reported in cases throughout 41 countries, including the United States. The ability of this species of yeast to spread rapidly and survive for long periods of time on surfaces, the high mortality rate of those infected, and its multidrug resistant phenotype, have rendered it a urgent public health threat (the highest threat level) by the United States Centers for Disease Control and Prevention beginning in 2019 (CDC, 2019). Since …

Longitudinal Trends In Body Mass Index And Risk Of Obesity Among Blue Cross & Blue Shield Of Nebraska Insured Sample Population During 2017-2022, Devi Venkata Naga Akshay Dwarabandam

Capstone Experience: Master of Public Health

Objective: To estimate and compare the longitudinal trends in the crude prevalence of obesity in the Blue Cross and Blue Shield of Nebraska (BCBSNE) sample of the adult population with the Behavioral Risk Factor Surveillance System (BRFSS) of Nebraska during the pre-pandemic period (2017-2019) and COVID-19 pandemic period (2020-2022) using standardization methods.

Background: Studying the obesity disease burden in a commercial insurance company's administrative claims data can provide critical insights that can inform policy, practice, and interventions aimed at improving health outcomes, managing costs, and reducing the burden of obesity at the population level.

Methods: This study utilized a cohort …

Reducing Burnout Using Emergency Planning: A Literature Review, Taylor Vaughn

Capstone Experience: Master of Public Health

Objective

The objective of this capstone is to gain knowledge on what burnout is, what causes it, what can be done to prevent it, and what can be added to public health emergency plans to reduce burnout in local emergency preparedness workforces.

Methodology

A literature review was completed through peer-reviewed articles, and documents from professional and governmental organizations. The results were used to search current plans to determine whether burnout-related recommendations were present.

Results

Burnout prevention at the personal level includes a good diet, routine exercise, and mindfulness activities. At the organizational level it should include providing emotional support, emphasizing …

Assessing The Impact Of Ebola Virus Inoculum Size On Likelihood Of Infection, Joseph Lukowski

Capstone Experience: Master of Public Health

Background: Indirect transmission of Ebola virus disease (EVD) is not uncommon but is poorly understood. Improving the understanding of the potential risk of EVD transmission from fomites should result in new or updated prevention or control measures for suspected or confirmed EVD cases or outbreaks.

Objective: This study aims to compile and understand pertinent data from peer-reviewed literature, establish the dose-response relationship between inoculum doses introduced to mucous membranes, and finally estimate the risk of EVD transmission from fomites.

Methods: A literature search was conducted through PubMed to obtain relevant data. This study employed this data to perform Poisson regression …

An Epidemiological Synthesis Of Emerging And Re-Emerging Zoonotic Disease Threats In Cameroon, 2000-2022 And Community Stakeholder Mapping, Nancy Tahmo

Capstone Experience: Master of Public Health

Introduction: Population factors such as urbanization, socio-economic, and environmental factors are driving forces for emerging/re-emerging diseases in Cameroon, and the effects of these are experienced differently across demographics. Indigenous rainforest communities in the Congo Basin, for example, suffer worse health outcomes compared to neighboring communities, like the Pygmies, who have a life expectancy of 22 years less than neighboring Bantus. It is important to characterize the risk of exposure of these vulnerable communities and map out, through a systematic review, descriptive epidemiological data around zoonoses, to inform preparedness and research efforts.

Methods: Following the PRISMA guidelines, a protocol was registered …

Urban/Rural Disparities Of Thyroid Cancer Using The Integrated Cancer Repository For Cancer Research (Icare2), Sunita Regmi

Capstone Experience: Master of Public Health

Abstract:

Background and objective: Multiple studies have shown that the place of residence and the distance to travel from one's residence to nearby health care providers impact cancer diagnosis and treatment. The stage of cancer at the time of diagnosis is paramount for cancer treatment and affects survival. Disparities in cancer treatment exist which affect the outcome disproportionately to certain segments of the population. To date, much of the focus has been on the racial and socioeconomic disparities in the management of thyroid cancer. The effect of geography and location (urban-rural status) on thyroid cancer stage diagnosis has …

Examining Mental Health Disparities In A Rural County: A Community Health Needs Assessment Analysis, Dustin M. Schulz

Capstone Experience: Master of Public Health

Over 20% of adults in the United States experience some form of mental illness each year. Those residing in rural areas can see increased prevalence of mental illness, and typically face disparities in access and availability of services for mental health. The goal of this project was to examine the impact of mental health in Woodford County, Illinois using data collected through the 2022 Community Health Needs Assessment (CHNA) process, with the intent of identifying areas of improvement that could be implemented at the local level. Analysis of the CHNA data was conducted using frequency analysis in SAS 9.4 through …

An Analysis Of Demographics And Risk Factors Associated With Increasing Syphilis Cases In Iowa, Eleanore H. Nelson

Capstone Experience: Master of Public Health

Background:

Syphilis is easily detectable and treatable with the appropriate medical attention, yet national incidence rates have been on the rise since reaching an all-time low in 2000 (Shockman et al, 2014). Similar to HIV, men who have sex with other men (MSM), represent most syphilis transmission, yet in recent years, syphilis rates have concerningly increased among both genders and among all racial/ethnic groups (CDC, 2019).

Methods:

Surveillance data was collected on all syphilis cases reported to the Iowa Department of Public Health (IDPH) regarding demographics and risk factors of cases. Variables were analyzed using chi-square and Fisher’s exact tests, …

The Epidemiology Of Clostridioides Difficile In Nebraska - A Descriptive Study Between 2018-2020, Storm Keffer

Capstone Experience: Master of Public Health

Objectives: Clostridioides difficile (C. diff) is a common but challenging infection both financially and medically. Due to these difficulties, Clostridioides difficile infection (CDI) caused by C. diff is a mandatory reportable disease in Nebraska and as such has been a priority disease targeted by various disease control practices across many hospitals. All CDI laboratory results are reported electronically through the Nebraska Electronic Disease Surveillance System (NEDSS). However, capturing and conceptualizing the true burden of CDIs in Nebraska has not been adequately accomplished since monitoring of CDIs began. The objective of this study is to examine the trends of …

The Effect Of Fiber And Omega-6:Omega-3 Fatty Acid Ratio On Asthma And Asthma-Related Symptoms In An Adult U.S. Population, Korie As Nelson

Capstone Experience: Master of Public Health

Asthma is one of the most common diseases in the world affecting more than 10% of adults in many westernized countries and 339 million globally. Studies have shown a positive association between increased dietary fiber and improvement in asthma-related inflammation. Omega-3 fatty acids have also been shown to help mitigate inflammation in general. No identified studies have looked at the synergistic effect of omega-3 and omega-6 fatty acids alone and as a ratio with fiber on asthma, lung function, and respiratory morbidities. A positive association could mean that dietary interventions of fiber and fatty acids could significantly improve asthma and …

The Migration Of Carbapenem-Resistant Acinetobacter Baumannii From The Battlefields Of Iraq And Afghanistan To The Healthcare Facilities Of The Veterans Health Administration, Jeffery Rogers

Capstone Experience: Master of Public Health

Multidrug-resistant organisms (MDRO) pose a great threat to health across the globe. That threat is also felt in the Veterans Health Administration (VHA). Wounded warriors returning home from the battlefields of Iraq and Afghanistan may have brought with them MDROs, such as the bacterium Acinetobacter baumannii, as they have transitioned from military service into the VHA facilities. This study investigates the interconnectedness of military service in the Department of Defense (DoD) and a lifetime of care at VHA through a longitudinal tracking of a linked cohort of combat veterans with battlefield injuries and subsequent MDR infections of A. baumannii. …

Effects Of Climate Change On The Epidemiology Of Flood-Related Waterborne Disease: A Systematic Literature Review, Sarah M. Cadarette

Capstone Experience: Master of Public Health

Natural disasters, such as flooding related to extreme precipitation, can lead to many adverse health effects (i.e. waterborne disease). Several outbreaks of waterborne disease have been linked to extreme precipitation, and gastrointestinal infection has been shown to increase after floods. Climate change is likely to lead to a higher frequency of waterborne disease through increases in extreme precipitation and associated flooding affecting water and sanitation infrastructure. This review sought to answer 2 research questions: 1. Has the epidemiology of waterborne disease related to floods changed over time? 2. Can this difference be related to climate change? A literature search was …

Structural Magnetic Resonance Imaging As A Diagnostic Biomarker Of Hiv-Associated Neurocognitive Disorders (Hand), Mikki Schantell

Capstone Experience: Master of Public Health

Objective: The goal of this study was to do an exploratory analysis to determine if gray matter brain volumes and cortical thickness measures obtained from structural magnetic resonance imaging (sMRI) can discriminate people with HIV-associated neurocognitive disorders (HAND), neurocognitively unimpaired people with HIV (NU PWH), and HIV-negative controls (HIV- controls) using linear discriminant analyses.

Methods: A total of 231 participants, including 110 PWH and 121 HIV- controls, completed a neuropsychological (NP) battery and an sMRI protocol. The bilateral gray matter volumes and cortical thickness brain regions were analyzed using 18 linear discriminant models to assess the discriminability of gray matter …

Trends Of Endometrial Cancer Among Adult Women In The United States, Fnu Kanishka

Capstone Experience: Master of Public Health

Background: Endometrial cancer also referred to as uterine corpus cancer is the fourth most common cancer diagnosed among US women. It is also one of the few cancers in the US that has an increasing incidence and mortality rate. This study examined the overall and race specific age-adjusted incidence rate as well as incidence-based mortality rate of endometrial cancer in the United States from 1975-2016.

Methods: Surveillance, Epidemiology, and End Results (SEER) 1975-2016 data were used. Overall and race specific age-adjusted incidence rate, incidence-based mortality rates and 95% confidence intervals were calculated Trend graphs were created, annual average percent change …

The Association Between Melanoma And Exposure To Arsenic Among U.S. Adults Using The National Health And Nutrition Examination Survey (Nhanes) From 2003 To 2016, Ahmed Bedaiwi

Capstone Experience: Master of Public Health

Background: Melanoma is a deadly skin cancer at late stages, and its incidence has been increasing significantly over the last ten years in the United States. Chronic exposure to arsenic has been associated in many studies as a risk factor for non-melanoma skin cancer, notably squamous cell carcinoma. However, current knowledge is limited regarding melanoma and long-term arsenic exposure.

Methods: We conducted a cross-sectional study using the 2003-2016 cycles of the National Health and Nutrition Examination Survey (NHANES), to investigate the association between arsenic exposure and self-reported melanoma and non-melanoma skin cancer diagnoses. Univariate and multivariate logistic regressions were conducted. …

Age-Adjusted Incidence Rates And Time Trends Of Non-Hodgkin Lymphoma By Subtype, 2000-2015, Daitrang Le

Capstone Experience: Master of Public Health

Background: Non-Hodgkin lymphomas (NHL) are a group of diverse and complex cancers of the lymphocytes. More than 60 subtypes have been identified based on certain characteristics of the cancer cell. The objectives of this study were to: 1) determine NHL age-adjusted incidence rates from 2000 to 2015 in the U.S. by age, sex, and race/ethnicity; 2) to examine age-adjusted subtype-specific NHL incidence rates by age, sex, and race/ethnicity; 3) to determine if there was significant time trend in age-adjusted NHL incidence rate from 2000-2015 in the U.S by age, sex, and race/ethnicity.; 4) and to examine time trend in age-adjusted …

Using Syndromic Surveillance To Assess The Impact Of Environmental Factors On Asthma- And Copd- Related Ed Visits In Douglas County, Nebraska, Sandra Gonzalez-Ramirez, Anne Mardis O'Keefe, Tricia D. Levan, Lynette Smith

Capstone Experience: Master of Public Health

Background: Asthma and chronic obstructive pulmonary disease (COPD) are chronic diseases associated with health disparities in Douglas County, Nebraska and in the United States. Currently there is a lack of information describing the impact of environmental factors in Nebraska on the burden of emergency department (ED) visits or hospitalizations related to these chronic respiratory (CR) diseases. The aim of this study was to determine if there is an association between the numbers of seasonal viral respiratory (SVR)- related ED visits, outdoor air pollutants, aeroallergens, or meteorological factors on the number of CR- related ED visits in Douglas County, Nebraska.

Methods: …