Open Access. Powered by Scholars. Published by Universities.®

Epidemiology Commons™

Open Access. Powered by Scholars. Published by Universities.®

5,503 Full-Text Articles 19,143 Authors 2,547,799 Downloads 198 Institutions

All Articles in Epidemiology

Faceted Search

5,503 full-text articles. Page 202 of 258.

Relationship Between Quality Of Life For Patients With Neuroendocrine Tumors And Novel Biomarkers, Stephanie L. Ford-Scheimer 2017 Walden University

Relationship Between Quality Of Life For Patients With Neuroendocrine Tumors And Novel Biomarkers, Stephanie L. Ford-Scheimer

Walden Dissertations and Doctoral Studies

Research in the field of neuroendocrine tumors (NETs) has increased over the last decade, including studies focused on biochemical markers (biomarkers) of the disease. There is also growing interest in how NETs impact patients' quality of life (QOL). Consequently, there is a paucity of information about whether the expression of the specific disease biomarkers affects QOL as well as whether the primary tumor site impacts QOL. Using the explanatory model of health promotion and quality of life in chronic disabling conditions as the theoretical framework and data collected with the Norfolk QOL-NET instrument, this study's purpose was to fill that …


Demographic Factors Associated With Consistent Hand Hygiene Adherence Among Icu Nurses, Sharon Lea Kurtz 2017 Walden University

Demographic Factors Associated With Consistent Hand Hygiene Adherence Among Icu Nurses, Sharon Lea Kurtz

Walden Dissertations and Doctoral Studies

Healthcare associated infections cause 75,000 to 80,000 deaths a year. Many are preventable with proper hand hygiene adherence (HHA). Worldwide, HHA range is between 40-60%, far below the 100% recommended. The purpose of this quantitative, cross-sectional, prospective study was to investigate any association between 15 demographic variables and HHA of ICU nurses. A convenience sample of 613 hand hygiene opportunities was collected by direct observation at each of 5ICUs (4 hospitals) in Texas for 8 consecutive hours each day for 3-5 days. The theoretical foundation guiding this study was the healthcare environment theory. The Statistical Package for Social Sciences software …


Exploring The Role Of Faith In Survival Of Breast Cancer, Franklin D. Lewis, Jr. 2017 Walden University

Exploring The Role Of Faith In Survival Of Breast Cancer, Franklin D. Lewis, Jr.

Walden Dissertations and Doctoral Studies

In 2013, approximately 232,340 women were diagnosed with breast cancer, and an estimated 39,620 women would die as a result of breast cancer. Stage I breast cancer can often be treated, but Stage IV breast cancer presents more difficulties in treatment, as it spreads to the bones, liver, or other areas of the body. Consequently, women with Stage IV breast cancer have very low 18 month and 5-year survival rates. According to some statistics, 79.5% of the United States population claim to be Christian. Much of this segment of the population uses faith to guide most aspects of their lives, …


Predicting Weight Management Advice Behavior Using Social Cognitive Theory Among Psychiatry Professionals, Chidi Chima 2017 Walden University

Predicting Weight Management Advice Behavior Using Social Cognitive Theory Among Psychiatry Professionals, Chidi Chima

Walden Dissertations and Doctoral Studies

Obesity remains a public health concern among persons with mental illness resulting from the interaction of a combination of factors such as genetic, medication, effects of their symptoms, social, and environmental factors. Obesity complications account for increased mortality and morbidity, reduced life expectancy, and quality of life in persons with mental illness. The management of obesity is challenging and predicting the ability of mental health professionals to advise patients on weight management behavior is important to improve patients' overall well-being. The social cognitive theory constructs knowledge, expectations, situational perception, self-efficacy, and goal setting were utilized in predicting Weight Management Advice …


Perceived Job Stress And Life Style Behaviors' Effects On The Quality Of Life Of Registered Nurses, Jennifer Rose Limongiello 2017 Walden University

Perceived Job Stress And Life Style Behaviors' Effects On The Quality Of Life Of Registered Nurses, Jennifer Rose Limongiello

Walden Dissertations and Doctoral Studies

The purpose of this quantitative study was to examine to what extent work demands as measured by perceived job stress affected the health-related quality of life (HRQOL) as determined by the number of unhealthy days of registered nurses in the United States. This study was also an investigation of the extent to which other variables such as body-mass index (BMI) and certain lifestyle behaviors affected the HRQOL (number of unhealthy days). The independent variables were perceived job stress, weight (BMI), and lifestyle factors such as tobacco and alcohol use, physical inactivity, and the mindful eating score, and the dependent variable …


Association Between Physician Characteristics And Surgical Errors In U.S. Hospitals, Obumneke A. Amadi 2017 Walden University

Association Between Physician Characteristics And Surgical Errors In U.S. Hospitals, Obumneke A. Amadi

Walden Dissertations and Doctoral Studies

The high incidence of medical and surgical errors in U.S. hospitals and clinics affects patients' safety. Not enough is known about the relationship between physician characteristics and medical error rates. The purpose of this quantitative correlational study was to examine the relationship between selected physician characteristics and surgical errors in U.S. hospitals. The ecological model was used to understand personal and systemic factors that might be related to the incidence of surgical errors. Archived data from the National Practitioner Data Bank database of physician surgical errors were analyzed using bivariate and multivariate logistic regression analyses. Independent variables included physicians' home …


The Association Between Medical Marijuana Laws And Maternal Marijuana Use, Joseph Timothy Jones 2017 Walden University

The Association Between Medical Marijuana Laws And Maternal Marijuana Use, Joseph Timothy Jones

Walden Dissertations and Doctoral Studies

Marijuana is the most common illicit drug that is abused by pregnant women, and recently many states have adopted various levels of relaxed marijuana policies. The purpose of this study was to evaluate a potential association between residing in a state that allows medical marijuana use and maternal marijuana usage. Grounded in the theory of planned behavior, this study evaluated the prevalence and extent of maternal marijuana use in states that allow and states that do not allow medical marijuana use using the National Survey of Drug Use and Health (NSDUH). It was anticipated that more lenient subjective norms toward …


Possible Risk Factors For Multidrug-Resistant Tuberculosis Infection In The Philippines, Molovon Jr Pasagui Azores 2017 Walden University

Possible Risk Factors For Multidrug-Resistant Tuberculosis Infection In The Philippines, Molovon Jr Pasagui Azores

Walden Dissertations and Doctoral Studies

Multidrug-resistant Mycobacterium tuberculosis (MDR-TB) is a leading cause of morbidity and mortality in the Philippines. The purpose of this study was to gain knowledge about the relationship between potential risk factors and MDR-TB. Risk factors (the independent variables) for MDR-TB (the dependent variable) include previous TB treatment, infection with HIV, exposure to patients with drug-susceptible TB/MDR-TB, delays in diagnosis and treatment, employment status, smoking, imprisonment, alcohol abuse, and poor compliance with TB treatment regimens. The study was based on the epidemiological approach to causal inference work. A case-control study design was used wherein a quantitative method was applied in data …


Patient Characteristics And Treatment Outcomes Among Tuberculosis Patients In Sierra Leone, Mohamed Lamin Sesay 2017 Walden University

Patient Characteristics And Treatment Outcomes Among Tuberculosis Patients In Sierra Leone, Mohamed Lamin Sesay

Walden Dissertations and Doctoral Studies

Despite decades of the implementation of the directly observed therapy short-course (DOTS), Sierra Leone is ranked among the 30 highest TB-burdened countries. Several factors account for unfavorable treatment outcomes, among which are patient characteristics. Previous studies have only focused on treatment compliance without any consideration for the factors that lead to noncompliance to treatment. The purpose of this study was to investigate patient characteristics that are associated with treatment noncompliance (treatment not completed) among TB patients undergoing the DOTS program in Sierra Leone. A retrospective longitudinal quantitative design was used to analyze secondary data from the completed records of 1,633 …


Gender Inequality In Women's Knowledge And Awareness Of Hiv/Aids In Port Harcourt, Maureen A. Wagbara 2017 Walden University

Gender Inequality In Women's Knowledge And Awareness Of Hiv/Aids In Port Harcourt, Maureen A. Wagbara

Walden Dissertations and Doctoral Studies

In Nigeria, gender inequality significantly impacts women's knowledge and awareness of the transmission of the human immunodeficiency virus (HIV) and the proliferation of acquired immunodeficiency syndrome (AIDS). Early marriage, traditional beliefs, religion, and polygamy all contribute to gender inequality. This study explored the role of these and other sociocultural practices in the gender inequalities that increase vulnerability of contracting HIV/AIDS among women in Port Harcourt, Rivers State, Nigeria. The study employed a phenomenological design, collected data through a semistructured interview approach, which was managed using NVivo software. The purposive sample comprised 20 female students from a college in Port Harcourt. …


Hiv Testing Practices And Provider-Identified Barriers In The Acute Care Setting, Alex Ariri 2017 Walden University

Hiv Testing Practices And Provider-Identified Barriers In The Acute Care Setting, Alex Ariri

Walden Dissertations and Doctoral Studies

Despite the Centers for Disease Control and Prevention recommendations to test patients ages 13 to 64 years for HIV at health care settings, routine HIV testing is lacking. As a result, many people are unaware of their HIV seropositive status. The purpose of this quantitative cross-sectional study was to examine relationships between HIV testing and provider type, knowledge, attitudes, and behaviors regarding HIV testing in the acute care setting. The study was informed by social cognitive theory. Using a convenient sampling method, a questionnaire derived from previous surveys (Society of General Internal Medicine and University of Washington) was sent to …


Adherence Barriers To Healthcare For African Americans With Hiv/Aids On Antiretroviral Medications, Angela Bumphus Corbin 2017 Walden University

Adherence Barriers To Healthcare For African Americans With Hiv/Aids On Antiretroviral Medications, Angela Bumphus Corbin

Walden Dissertations and Doctoral Studies

The purpose of this mixed methods research study was to examine the role of adherence barriers to healthcare and the impact that such barriers have on highly active antiretroviral therapy (HAART) compliance for African Americans living with HIV/AIDS. HAART helps reduce HIV/AIDS morbidity and mortality. Of the 49% of study participants who had been out of medical care for more than 12 months, financial concerns were listed as the most common barrier (22.8%). Not having the support from family and friends (17.5%), being tired of going to doctor appointments (15.8%), health challenges (12.3%), lack of transportation (12.3%), and incarceration (12.3%) …


Arizona's Mentally Ill And Their Use Of The Emergency Department, Charlalynn Harris 2017 Walden University

Arizona's Mentally Ill And Their Use Of The Emergency Department, Charlalynn Harris

Walden Dissertations and Doctoral Studies

Emergency departments (ED) are an integral component of the United States' health care system. The underlying factors related to ED use among Arizona's mentally ill are not fully understood and the patterns necessary to classify patients as frequent users have not been examined. The purpose of this study was to increase the understanding of frequent users and further examine the conditions by which they present to the ED. The theoretical foundation for this study was the fourth version of Andersen's behavioral model (1995) and this model's use to frame this study allowed for an objective analysis of ED use among …


Social Network And Health Seeking Behavior Of Men Of West African Descent, Opeyemi Odewale 2017 Walden University

Social Network And Health Seeking Behavior Of Men Of West African Descent, Opeyemi Odewale

Walden Dissertations and Doctoral Studies

Men are less likely than women to seek help from health services providers regarding the health issues they face. In the United States, of the various race/ethnicity populations, Black American men are least likely to seek health related help, which is reflected in the substantially higher mortality and morbidity rates in Black American men compared to other populations. Guided by the social epidemiological framework, this study examined the relationship between social network measure and health help-seeking behavior among foreign-born and U.S.-born Black American men of West African descent residing in the state of Rhode Island. A cross-sectional study design with …


Quantifying The Quality Of Antimalarial Drugs In Ghana, Felix Boakye-Agyeman 2017 Walden University

Quantifying The Quality Of Antimalarial Drugs In Ghana, Felix Boakye-Agyeman

Walden Dissertations and Doctoral Studies

Malaria is still an epidemic in many parts of the world-about 220 million people are still infected with malaria worldwide and about 700 thousand people die from this disease per year. Most of the drugs used to treat malaria work well if they are used as required and they contain the right amounts of the active ingredient; however, it is estimated that more than 10% of drugs traded worldwide are counterfeits including 38% to 53% of antimalarial tablets produced in China and India. Due to the lack of data covering the extent of counterfeit antimalarial drugs in Ghana, the purpose …


Relationship Between Assisted Reproductive Technology And Risk Of Stillbirth, Jeani Chang 2017 Walden University

Relationship Between Assisted Reproductive Technology And Risk Of Stillbirth, Jeani Chang

Walden Dissertations and Doctoral Studies

Assisted reproductive technology (ART) is an infertility treatment used to assist women to become pregnant. Although the procedure is safe, there are gaps in understanding the association between treatment and adverse pregnancy outcomes (e.g., stillbirth) in the United States. The purpose of this study was to investigate the relationship between stillbirth delivery and ART. The 2 research questions addressed the association between methods of conception (ART versus non-ART) and the delivery of a stillbirth, and the association between multiple gestation pregnancy and risk of stillbirths. Retrospective cohort data from the States Monitoring ART collaborative were analyzed using Pearson's chi squared …


Determinants Of Switching From Peritoneal To Hemodialysis In Preserving Residual Renal Function, Mohamed Katerji 2017 Walden University

Determinants Of Switching From Peritoneal To Hemodialysis In Preserving Residual Renal Function, Mohamed Katerji

Walden Dissertations and Doctoral Studies

There are more than 2 million end stage renal disease (ESRD) patients in the world. ESRD is becoming more manageable with the advent of competent therapies such as peritoneal dialysis (PD) and hemodialysis (HD). While recent evidence suggests that switching from PD to HD may preserve residual renal function longer than either PD or HD alone as an alternative approach, little is known about the optimal timing and the long-term efficacy of switching dialysis modes. The purpose of this quantitative retrospective study, based on the bio-psychosocial model, was to investigate the optimal timing and determinants of the effectiveness of switching …


Impact Of Adverse Childhood Experiences On Maternal Health And Birth Weight In Appalachia, Kristen Baker Dickerson 2017 Walden University

Impact Of Adverse Childhood Experiences On Maternal Health And Birth Weight In Appalachia, Kristen Baker Dickerson

Walden Dissertations and Doctoral Studies

Adverse birth outcomes and adverse childhood experiences (ACE) are concerns in the United States, with potential to impact health indices now and in the future. The purpose of this study was to quantitatively examine the association between maternal exposure to ACE, low birth weight, and county of residence in the Appalachian population using the Life Course Approach as the theoretical framework. A cross-sectional study design and clustering strategy was used to randomly select potential respondents from a data set that was provided by Ohio Department of Health. Self-administered questionnaires were sent to potential respondents to collect information about ACE in …


Intimate Partner Violence During Pregnancy And Prenatal Care Attendance In Abuja, Nigeria., Dorothy Ijeoma Ezekwe-Anya 2017 Walden University

Intimate Partner Violence During Pregnancy And Prenatal Care Attendance In Abuja, Nigeria., Dorothy Ijeoma Ezekwe-Anya

Walden Dissertations and Doctoral Studies

Intimate partner violence (IPV) among women poses a significant threat to maternal mortality during pregnancy in Nigeria with a prevalence rate of 14% in the southern region versus 43% in the northern region. Early and adequate prenatal care is essential for improving pregnancy outcomes and the reduction of the maternal mortality rate. Previous studies in several countries have demonstrated a unique barrier to healthcare access among women exposed to IPV. This study assessed the association between IPV during pregnancy and prenatal clinic attendance, using a cross-sectional quantitative study design guided by the social learning theory. The modified Conflict Tactile Scale …


The Molecular Epidemiology Of Tuberculosis In South Carolina, 2005-2011: Estimates Of Recent Transmission And Risk Factors For Genotype Clustering, Amy Kathleen Roach 2017 Walden University

The Molecular Epidemiology Of Tuberculosis In South Carolina, 2005-2011: Estimates Of Recent Transmission And Risk Factors For Genotype Clustering, Amy Kathleen Roach

Walden Dissertations and Doctoral Studies

Because tuberculosis (TB) is a public health threat that continues to elude elimination in the United States, there is a need to identify contributing factors that may have implications for targeted control measures. Molecular studies of genetic clustering are crucial for pinpointing these contributing factors. It is for this reason this study was conducted. This was a non-experimental, cross-sectional population-based molecular epidemiological study of TB in SC from 2005 to 2011. Its purpose was to estimate the proportion of TB that may be due to recently acquired infection and to determine the risk factors associated with the genetic clustering of …


Digital Commons powered by bepress