Epidemiology Commons^™

Living In An Oil-Polluted Region In Nigeria As A Risk Factor In Colorectal Cancer Development, Steve Nwachi Onya

Walden Dissertations and Doctoral Studies

Due to differences in exposure to various risk factors, colorectal cancer (CRC) rates differ in regions of Nigeria. Although the people living in the Southsouth, an oil-producing region, are concerned that they are most affected, there is insufficient research to address these concerns. The purpose of this quantitative ecological study was to investigate whether living in the oil-polluted region in Nigeria is associated with an excess CRC incidence rate. The potential spatial autocorrelation of CRC incidence among the contiguous regions was also examined. The study was grounded in the ecosocial theoretical framework. Data were extracted from the Nigeria National System …

Effects Of Trained Providers And Naloxone Distribution On Prescription Opioid Use Disorder, Samuel Sarpong

Walden Dissertations and Doctoral Studies

AbstractOpioid abuse and overdose are associated with substantial morbidity and mortality rates, as well as social and economic costs. The purpose of this study was to evaluate the independent and interactive effects of state-sponsored prescription drug monitoring program (PDMP) trained healthcare providers and community-based naloxone distribution program related factors in the states of Florida and Georgia for the prevention and reduction of prescription opioid use disorder, overdose, and deaths. The research theory adopted was the socio-ecological model with an emphasis on risk factors such as age. The study used secondary data from 2014 to 2018 from the Florida and Georgia …

Interrelationships Of Sociodemographic And Biological Factors In Breast Cancer Mortality Disparity Affecting Young Black Women, Richard Mutyabule

Walden Dissertations and Doctoral Studies

Despite improved overall survival among breast cancer patients, race and biological subtype-specific disparities persist. Subsequently, this retrospective longitudinal study, guided by ecosocial theory, examined associations between biological subtypes of breast cancer and patient-level sociodemographic factors on survival outcomes in women 25 to 44 years of age. Using Surveillance, Epidemiology, and End Results (SEER) database, 34,007 breast cancer cases between 2013 and 2018 were extracted. Kaplan Meier method and Cox proportional hazards model were used to examine time to event and the adjusted mortality risk by race and breast cancer subtype. There was a statistically significant difference in survival among young …

Demographic And Socioeconomic Determinants Of Lassa Fever In Edo State, Nigeria, Faith Ogagaroghene Ireye

Walden Dissertations and Doctoral Studies

Lassa fever is a viral hemorrhagic fever caused by the Lassa virus and associated with significant morbidity and mortality. Yearly outbreaks of the disease occur in Edo State, Nigeria. The purpose of this study was to examine the demographic and socioeconomic factors that can influence transmission of the disease. The Commission on Social Determinants of Health conceptual framework was used in this research study. This framework describes the relationship between structural and intermediary factors and how they determine health outcomes. To answer the research question of how demographic and socioeconomic factors influence Lassa fever transmission in Edo State, a cross-sectional …

Association Between Modifiable Risk Factors And Stroke Among Hispanics, Shanice Williams

Walden Dissertations and Doctoral Studies

Stroke is a significant public health issue that impacts the health of Hispanic adults. Understanding the multiple risk factors of stroke is an essential strategy to control the disease among this population. The purpose of this study was to examine the association between modifiable risk factors and stroke among Hispanics. The public health prevention framework guided this study. The research questions were designed to determine whether an association exists between modifiable risk factors for stroke among Hispanics. A quantitative, cross-sectional research design was used to conduct secondary analysis of the pooled 2017–2019 Behavioral Risk Factor Surveillance System annual surveys. The …

Analysis Of Malaria-Induced Anemia And Gender Differences Among Children In Nigeria, Temitope Bamgbose

Walden Dissertations and Doctoral Studies

Malaria is one of the leading causes of death among children under 5 years old in sub-Saharan Africa (SSA). Also, public health efforts on malaria prevention have been successful in many regions but remains an issue in SSA. Malaria-induced anemia (MA) is associated with health complications among children. The impact of several sociodemographic factors (age, gender, residential type, and parent’s educational level) and malaria preventive/intervention measures such as mosquito net use and malaria medication use among children under 5 years old in Nigeria were assessed to inform malaria best practices and strategies, prioritize resource allocation, and support existing literature on …

Social Determinants Of Maternal And Neonatal Birth Outcomes Among Syrian Refugees In Lebanon, Mona Charbel Kiwan

Walden Dissertations and Doctoral Studies

Neonatal and maternal health indicators have been impacted due to Syrian refugees’ displacement in Lebanon and an increase in child marriage rates from 13% in pre-conflict Syria to 41%. Using the causal continuum framework, the retrospective cross-sectional study’s purpose was to examine whether there is a statistically significant association between adverse maternal and birth health outcomes among Syrian refugees in Lebanon and social determinants of health. The sample size drawn from UNHCR database included 48,083 maternal and 4,288 neonatal refugees admitted to the secondary health care in 2018. Pearson chi-square and binomial logistic regression results showed that employed, newcomers mothers …

Impact Of The Internet On Young Adult’S Perceptions Of Childhood Vaccinations, Hollie Leigh Xu

Walden Dissertations and Doctoral Studies

The internet and social media have transformed the way people receive information and connect, but the impact on society is still unknown. The purpose of this study was to examine the impact of indirect exposure to vaccine messages via the internet on young adults’ perceptions of childhood vaccinations. The health belief model and the social marketing theory were used as the theoretical framework. Research questions explored the relationship between exposure to anti and pro-vaccination messages and perceptions of participants as well as the relationship between perceptions of vaccination and intent to vaccinate. A quantitative correlational study design was used, with …

Marital Status And Human Immunodeficiency Virus Mortality In A Southern County, Javis Nkwanwoh

Walden Dissertations and Doctoral Studies

Human Immunodeficiency Virus/Acquired Immune Deficiency Syndrome (HIV/AIDS) remains a substantial cause of mortality, particularly among U.S. segments of the population. Marriage is protective of HIV/AIDS mortality due to monogamy; however, the increased risk of HIV/AIDS mortality among other marital subgroups is understudied. The purpose of this study was to examine the association between marital status and HIV/AIDS mortality among a cohort of HIV infected individuals in a southern county. Mills' behavior theory guided this research as it posits that all behaviors are acquired through conditioning, which occurs through the interaction with the environment. The study had a quantitative research design …

Assessing The Risk Of Developing Liver Cancer Among Adults In The United States, Magbor Oben

Walden Dissertations and Doctoral Studies

The risk of developing liver cancer among adults in the United States remains asignificant threat due to an increasing prevalence of the disease. Despite the identification of some biological, environmental, and socioeconomic risk factors, uncertainty exists as to the role of sociodemographic factors. In this study, participants (N=27,804), age 18 and over, were assessed for liver cancer outcome specific to three factors liver disease, insurance coverage, and access to healthcare. With the person-centered care model as the framework, data from the 2016 National Health and Interview Surveys were subjected to the selection criteria and quantitatively analyzed using binary logistic regression. …

Domestic Abuse Against Men In Kenya, Catherine W. Kigaya

Walden Dissertations and Doctoral Studies

Domestic violence, also known as intimate partner violence (IPV), is prevalent globally and causes severe physical, psychological, and social harm to victims. The purpose of this quantitative cross-sectional study was to highlight the predictors of physical and sexual IPV among men in Kenya and examine the influence of media in seeking help. These factors were explored through the lens of the socio-ecological model and the social learning theory. The 2014 Demographic Health Survey archival data obtained through in-depth interviews were used to answer the research questions. Dependent variables were physical abuse, sexual abuse, and seeking help while independent variables were …

Receiving Positive Hiv Test Results From Home Testing And Suicidality, Nekeisha A. Hewitt

Walden Dissertations and Doctoral Studies

Limited studies have been conducted on whether receiving a positive result from at-home HIV testing correlates with suicidality (suicidal attempt or ideation). Based on the Ajzen theory of planned behavior, this cross-sectional study comprises a surveyed convenience sample of (N = 213) HIV -positive or negative adults who either tested for HIV at home or in-clinic. The purpose of this study was to explore any association between testing positive for HIV using the HIV at-home test kit and (a) suicidal attempt and (b) suicidal ideation; also, to discover any association between (c) HIV-negative and suicidality and (d) all HIV-positives …

The Causes And Control Measures Of Extended Spectrum Beta-Lactamase Producing Enterobacteriaceae In Long-Term Care Facilities, Ismaila Olatunji Sule

Walden Dissertations and Doctoral Studies

Due to extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE), infections among residents are increasing in long-term care facilities (LTCFs), resulting in high rate of morbidity and healthcare costs. ESBL-PE resists empirical antibiotics and reduces treatment options, and a designated infection control team is unavailable to prevent the prevalence of the disease. Ecological theory guided this study. A systematic review and meta-analysis were conducted to characterize the causes of ESBL-PE and evaluate the infection control strategies within LTCFs. Multiple regression analysis (MRA) was included as supplementary statistical analysis to identify relationships between LTCFs, geographical locations, infection control measures (ICMs), and ESBL-PE. A systematic search …

Substance Use, Mental Health Problems And Missed Appointments By Race, Gender, And Sexual Orientation Among Hiv-Infected Individuals, Abraham Adonis Anderson

Walden Dissertations and Doctoral Studies

Human Immunodeficiency Virus (HIV) disproportionately affects African American men who have sex with men. According to the Centers for Disease Control and Prevention, in 2020 African American adult and adolescent African American men accounted for 42% (16,002) of all HIV diagnoses (37,968). Furthermore, while substance use is common among this population, in previous studies very few individuals with HIV have reported receiving substance abuse treatment or discussing substance use with HIV medical providers. The purpose of this study was to examine the differences in substance use/mental health problems by race, gender, and sexual orientation among HIV-infected individuals. This study also …

Predictors Of Depression Screening Among Cancer Patients In U.S. Ambulatory Settings, Joseph Oluyinka Fawole

Walden Dissertations and Doctoral Studies

Depression is a common mental health comorbidity in cancer diagnoses, affecting 8-24% of cancer patients. Despite the high prevalence of depression among cancer patients, it is often unrecognized and untreated, thereby representing an enormous psychological distress source among the cancer patient population. The purpose of this study was to explore and establish the factors that predict depression screening among cancer patients in the ambulatory care setting in the United States. The health belief model guided the study. Secondary data from the National Ambulatory Medical Care Survey were analyzed to evaluate the predictors of depression screening in patients diagnosed with cancer. …

Current Effects Of U.S. Preventive Care Quality Narratives On Preventive Health Services, James Fisher

Walden Dissertations and Doctoral Studies

In the interest of improving patient outcomes, significant investments in operationalized quality of care within the Medicare space have promulgated a low-resolution narrative predicated on conflation of higher quality scores with improved population health. Concomitant financial incentivization of Medicare Advantage plans through aligned Star Measures places contracts as the fundamental unit of most care quality analyses, but no studies have considered how present incentivization schema have impacted physician use and associated quality scores over time for breast cancer screening (BCS), colorectal cancer screening (CCS), and annual flu vaccination (AFV) at a county level. Guided by the Evidence Based Model framework, …

Health Outcomes And Utilization Associated With Renal Diseases In Patients With Cancer In The United States, Mitisha Dedhia

Theses and Dissertations

Background: Adverse events and impairments associated with cancer and its treatments causes worse outcomes. Increased incidence of renal diseases among cancer patients is of particular concern. Objective: To determine the risk factors for renal disease in cancer patients and compare healthcare costs, utilization and health-related quality of life (HRQoL) of cancer patients with a renal disease and cancer patients without renal diseases. Methods: Medical Expenditure Panel Survey files from 2009 – 2018 for cancer patients was used for this study. Multiple logistic regression, generalized linear model, Poisson regression and multiple linear regression for analyses after adjusting for demographic, socioeconomic and …

Awareness And Preparedness Of Healthcare Workers Against The First Wave Of The Covid-19 Pandemic: A Cross-Sectional Survey Across 57 Countries, Nguyen Tien Huy, R Matthew Chico, Vuong Thanh Huan, Hosam Waleed Shaikhkhalil, Vuong Ngoc Thao Uyen, Ahmad Taysir Atieh Qarawi, Shamael Thabit Mohammed Alhady, Nguyen Lam Vuong, Le Van Truong, Mai Ngoc Luu, Shyam Prakash Dumre, Atsuko Imoto, Peter N Lee, Dao Ngoc Hien Tam, Sze Jia Ng, Mohammad Rashidul Hashan, Mitsuaki Matsui, Nguyen Tran Minh Duc, Sedighe Karimzadeh, Nut Koonrungsesomboon, Chris Smith, Sharon Cox, Kazuhiko Moji, Kenji Hirayama, Le Khac Linh, Kirellos Said Abbas, Tran Nu Thuy Dung, Tareq Mohammed Ali Al-Ahdal, Emmanuel Oluwadare Balogun, Nguyen The Duy, Mennatullah Mohamed Eltaras, Trang Huynh, Nguyen Thi Linh Hue, Bui Diem Khue, Abdelrahman Gad, Gehad Mohamed Tawfik, Kazumi Kubota, Hoang-Minh Nguyen, Dmytro Pavlenko, Vu Thi Thu Trang, Le Thuong Vu, Tran Hai Yen, Nguyen Thi Yen-Xuan, Luong Thi Trang, Vinh Dong, Akash Sharma, Vu Quoc Dat, Mohammed Soliman, Jeza Abdul Aziz, Jaffer Shah, Pham Dinh Long Hung, Yap Siang Jee, Dang Thuy Ha Phuong, Tran Thuy Huong Quynh, Hoang Thi Nam Giang, Vy Thi Nhat Huynh, Nguyen Anh Thi, Nacir Dhouibi, Truc Phan, Vincent Duru, Nguyen Hai Nam, Sherief Ghozy, Tmgh-Global Covid-19 Collaborative

Faculty, Staff and Student Publications

BACKGROUND: Since the COVID-19 pandemic began, there have been concerns related to the preparedness of healthcare workers (HCWs). This study aimed to describe the level of awareness and preparedness of hospital HCWs at the time of the first wave.

METHODS: This multinational, multicenter, cross-sectional survey was conducted among hospital HCWs from February to May 2020. We used a hierarchical logistic regression multivariate analysis to adjust the influence of variables based on awareness and preparedness. We then used association rule mining to identify relationships between HCW confidence in handling suspected COVID-19 patients and prior COVID-19 case-management training.

RESULTS: We surveyed 24,653 …

The Relationship Of Obesity With Falls Among Older Adults, Kioh Sheng Hui

Student Works (2020-2029)

Both falls and obesity are major public health issues in older adults and have been identified as the fifth leading cause of death among older adults. The relationship between obesity and falls have been conflicting in the limited publications available. This doctoral research comprised: 1) a cross-sectional study on obesity and falls, 2) a prospective study on obesity and falls and 3) an intercontinental comparison of relationship between obesity and falls. The study populations consisted of adults aged ≥55years from the Malaysian Elders Longitudinal Study (MELoR), the European Prospective Investigation into Cancer - Norfolk study (EPIC- NORFOLK) and Bavarian Research …

Understanding The Psychological Experience And Perspective Of Frontline Healthcare Workers And Psychological First Aid Providers During The Covid-19 Pandemic: A Qualitative Study, Hemavathi Shanmugam

Student Works (2020-2029)

Background: The growing number of coronavirus disease 2019 (COVID-19) cases since December 2019 has led to burnout and psychological distress among the frontline healthcare workers (HCWs). In Malaysia, remote Psychological First Aid (PFA) via teleconsultation was launched to ameliorate the mental health distress among HCWs. Objectives: The purpose of this study was to understand the psychological experience and perspective of frontline HCWs and PFA providers as a guide in improvising the delivery of the remote PFA service during the COVID-19 pandemic. Methodology: A descriptive qualitative research design based on semi-structured individual in-depth interviews were conducted with a total of 30 …

Association Between Life Course Social Determinants Of Health And Metabolic Syndrome Among Female Secondary School Teachers In Johor, Mohammad Fadzly Marzuki

Student Works (2020-2029)

Metabolic syndrome, a cluster of multiple risk factors, is known to increase the risk of cardiovascular diseases, diabetes, and certain cancers. Poor health behaviours such as poor dietary intake and physical activities are known risk factors of metabolic syndrome. However, very little is known if the social determinants of health throughout the life�course are associated with metabolic syndrome. The study aimed to explore the association between life-course social determinants of health and metabolic syndrome. The cross-sectional study involved female secondary school teachers living in the state of Johor, Malaysia. The study used available data from the Clustering of Lifestyle risk …

Association Of National Covid-19 Cases With Objectively And Subjectively Measured Mental Health Proxies In The Austrian Football League–An Epidemiological Study, Antje Van Der Zee-Neuen, Alexander Seymer, Dagmar Schaffler-Schaden, Jürgen Herfert, James Óbrien, Tim Johansson, Patrick Kutschar, Stephan Ludwig, Thomas Stöggl, David Keeley, Maria Flamm, Jürgen Osterbrink

Research outputs 2014 to 2021

We aimed to explore the association of national COVID-19 data with the objective and subjective mental health proxies (i.e. location variance, self-reported sleep quality, level of recovery, perceived risk of infection) in team and staff members of five professional Austrian Football clubs. Data were conveniently collected during the implementation of a novel monitoring concept. The concept was designed to enable safe continuation of professional Football during the COVID-19 pandemic. These data were matched with Austrian COVID-19 data and smartphone collected location data. Multivariable linear regression models explored the association of COVID-19, defined as daily novel or active Austrian cases of …

The Relationship Between Insurance And Health Outcomes Of Diabetes Mellitus Patients In Maryland: A Retrospective Archival Study, Soo-Hoon Lee, Samuel L. Brown, Andrew A. Bennett

Management Faculty Publications

Background

Past studies examining the health outcomes of diabetes mellitus (DM) patients found that social determinants of health disparities were associated with variabilities in health outcomes. However, improving access to healthcare, such as health insurance, should mitigate negative health outcomes. The aim of the study was to explore the association between four types of health insurance, namely, Medicare Fee-For-Service (FFS), Medicare Managed Care (MC), Private FFS, and Private MC plans, and the health outcomes of DM patients, controlling for patients’ social determinants of health.

Methods

This is a retrospective cross-sectional archival record study to explore the relationships between types of …

Analysis Of Covid 19 Mortality And Case Fatality In A Low Income Region Of Brazil, Carlos Eduardo Siqueira, Luiz C De Abreu

Gastón Institute Publications

Introduction: Inserted in the vulnerable context of the Brazilian Amazon, the state of Tocantins has suffered damages with the dissemination of COVID-19 in its territory; however, little evidence is published from this state. Objective: This study aims to analyze the case-fatality, mortality, and incidence of COVID-19 in Tocantins. Methods: This is an ecological study, population-based, time- series analysis of COVID-19 cases and deaths in the state of Tocantins from March 2020 to August 2021. Results: During the examined period, 219,031 COVID-19 cases, and 3,594 deaths were registered due to disease. Two possible occurrence peaks were characterized in this time- series …

A Time-Series Ecological Study Protocol To Analyze Trends Of Incidence, Mortality, Lethality Of Covid-19 In Brazil, Luiz C De Abreu, Khalifa Elmusharaf, Carlos Eduardo Siqueira

Gastón Institute Publications

Introduction: since the first case of COVID-19 was confirmed in February 2020, Brazil has reported more than 20 million cases and more than 600,000 deaths on October 31, 2021. The behavior of the pandemic was also different in the various states, from the less developed to the more developed, such as the state of São Paulo. Objective: to describe step-by-step time series for analyzing trends in mortality, lethality and incidence of COVID-19 in Brazil. Methods: a protocol for an ecological study of time series, covering the 26 states and the federal district (Brasilia). Results: the descriptions have the potential to …

Leadership, Quality Improvement, Team Functionality, And Hiv Viral Load Suppression In Uganda, Esther Karungi Karamagi Nkolo

Walden Dissertations and Doctoral Studies

Low viral load suppression rate is a significant public health issue in Uganda and similar countries. A nationwide quality improvement (QI) initiative was implemented from January 2019 to improve viral load suppression. Although QI team characteristics have been shown to influence the success of such QI initiatives, no studies have been found to understand how they influence the success of QI efforts to improve HIV viral load suppression in Uganda. The purpose of this cross-sectional, quantitative study was to determine whether there is a significant association between HIV clinic leader involvement in QI teams, QI team functionality, QI team diversity, …

Relating Overweight/Obesity And Psychosocial Outcomes Among Racial/Ethnic And Sexual Minority Adolescents, Cadene T. Douglas

Walden Dissertations and Doctoral Studies

Adolescents being overweight/obese is a public health crisis that threatens the health and welfare of adolescents going into adulthood and places a significant strain on society. It has been described as one of the most severe public health challenges of the 21st century by the World Health Organization. The pervasiveness of obesity in adolescents rose by 47.1% over the last three decades, and it disproportionally affects racial/ethnic minority lesbian, gay, and bisexual (LGB) persons. Guided by distal and proximal health behaviors, the minority stress model, and intersectionality, the purpose of this study was to examine whether being overweight or obese …

Drug-Resistant Neisseria Gonorrhoeae; Identification Of At-Risk Groups In Florida By Regional Variation, Scott August Herber

Walden Dissertations and Doctoral Studies

Neisseria gonorrhoeae has been on the rise in the State of Florida since 2013. Florida currently follows the Centers for Disease Control and Prevention guidelines for identifying those at-risk for gonorrhea and drug resistant gonorrhea infections. These groups are narrowly defined and do not consider the different population dynamics throughout the State. This study examined the question of who is at-risk for contracting drug resistant strains of gonorrhea in the eight different regions of Florida based on the prescribed use of last-line-of-antibiotic-defense. Florida’s Surveillance Tools and Reporting System provided 12 years of secondary data from 2007 to 2018. The data …

The Combined Impact Of Race And Education On Obesity Among U.S. Adults By Fidelis Okoye, Fidelis Chidi Okoye

Walden Dissertations and Doctoral Studies

Walden University

College of Health Professions

This is to certify that the doctoral dissertation by

Fidelis Okoye

has been found to be complete and satisfactory in all respects, and that any and all revisions required by the review committee have been made.

Review Committee Dr. Vasileios Margaritis, Committee Chairperson, Public Health Faculty Dr. Srikanta Banerjee, Committee Member, Public Health Faculty Dr. James Rohrer, University Reviewer, Public Health Faculty

Chief Academic Officer and ProvostSue Subocz, Ph.D.

Walden University2021

AbstractThe Combined Impact of Race and Education on Obesity Among U.S. Adults by Fidelis Okoye

MA, Walden University, 2009BS, Marygrove College, 2001

Dissertation …

Effects Of Hepatitis On Human Immunodeficiency Virus Viral Suppression, Andrenita Checoby West

Walden Dissertations and Doctoral Studies

Coinfection with human immunodeficiency virus (HIV) and viral hepatitis leads to unfavorable health outcomes, making treatment of HIV difficult and increasing the odds of HIV transmission. The purpose of this study is to assess whether viral hepatitis (B and C) hinders HIV viral suppression and impacts the white blood cell count (CD4) when a person is concurrently infected with both viruses. The syndemics theory guided this study. Two research questions tested whether there was an association between coinfection with viral hepatitis and HIV viral load suppression. The research design was quantitative case-control with secondary data from 65,626 reports of HIV, …