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Epidemiology

2016

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Articles 271 - 296 of 296

Full-Text Articles in Medicine and Health Sciences

Chiropractic Student Infection Control Practices And Methicillin-Resistant Staphylococcus Aureus Skin Infections, Jonathon Todd Egan Jan 2016

Chiropractic Student Infection Control Practices And Methicillin-Resistant Staphylococcus Aureus Skin Infections, Jonathon Todd Egan

Walden Dissertations and Doctoral Studies

Chiropractic training involves many hours of skin contact, and chiropractors have manual contact with millions of patients annually, but chiropractic has only had professional clinical hygiene guidance since 2010. Methicillin-resistant Staphylococcus aureus (MRSA) is the most common cause of cultured skin and soft tissue infection (SSTI) in the United States. Using the epidemiologic triad of person, place, and time as a framework, this quantitative, cross-sectional study obtained the first assessment of MRSA SSTI incidence among chiropractic students and its association with infection control behaviors (hand and table hygiene, sharing gowns, and sharing lotion) and initiation of patient care. The study …


The Socioeconomic And Cultural Impact Of Sickle Cell Disease In Nigeria, Jejelola Owotomo Jan 2016

The Socioeconomic And Cultural Impact Of Sickle Cell Disease In Nigeria, Jejelola Owotomo

Walden Dissertations and Doctoral Studies

Sickle cell disease (SCD) is a genetic health condition that has continued to increase globally. SCD is prevalent in developing countries like Nigeria with 20 to 30% of the population living with SCD. The aim of this study was to explore the effect of the socioeconomic and cultural factors that affect the quality of life (QOL) of individuals with SCD in Nigeria. The framework for the study is secondary prevention. Secondary prevention allows for opportunities to improve QOL amongst people living with SCD focusing on the health beliefs, and socioeconomic wellbeing. A phenomenological approach was used to collect in-depth data …


Time To Diagnosis Of Second Primary Cancers Among Patients With Breast Cancer, Edward Okezie Irobi Jan 2016

Time To Diagnosis Of Second Primary Cancers Among Patients With Breast Cancer, Edward Okezie Irobi

Walden Dissertations and Doctoral Studies

Many breast cancer diagnoses and second cancers are associated with BRCA gene mutations. Early detection of cancer is necessary to improve health outcomes, particularly with second cancers. Little is known about the influence of risk factors on time to diagnosis of second primary cancers after diagnosis with BRCA-related breast cancer. The purpose of this cohort study was to examine the risk of diagnosis of second primary cancers among women diagnosed with breast cancer after adjusting for BRCA status, age, and ethnicity. The study was guided by the empirical evidence supporting the mechanism of action in the mutation of BRCA leading …


Effect Of Genetic Background Combined With Excessive Media Screen Time On Markers Of Cardiovascular Risk In United States Youth Aged Newborn To 20 Years, Maria Moroni Jan 2016

Effect Of Genetic Background Combined With Excessive Media Screen Time On Markers Of Cardiovascular Risk In United States Youth Aged Newborn To 20 Years, Maria Moroni

Walden Dissertations and Doctoral Studies

Time with media screens (television, computers, videogames, cell phones, and tablets) is the primary activity of youth, second only to sleeping, and represents a major risk factor for cardiovascular diseases (CVD). Additionally, the populations with highest rates of screen time are also those most at risk of CVD from genetic predisposition (i.e., Blacks, Hispanics). The purpose of this descriptive, correlational study, based on cross-sectional analysis of archived data from the 2009 - 2010 NHANES for United States youth, newborn to 20 years old, was to determine whether the combination of media screen time with genetic background is a better predictor …


Hospital Preparedness: Effects Of Designated Preparedness Coordinators On Hospital Preparedness For Special Hazard Classes, Rodney Sinelair Jones Jan 2016

Hospital Preparedness: Effects Of Designated Preparedness Coordinators On Hospital Preparedness For Special Hazard Classes, Rodney Sinelair Jones

Walden Dissertations and Doctoral Studies

Since 9/11, little statistical rigor has been placed on identifying the correlates of hospital preparedness. This quantitative study explores the research question: Is there a correlation between the employment of a designated hospital preparedness coordinator and the reported level of preparedness for: (a) general preparedness; (b) chemical, biological, radiological, and nuclear (CBRN) events; (c) pandemic disease outbreaks; (d) mass casualty events; and (e) internal infrastructure failure, as assessed by an online survey. Alternative analysis was conducted to assess the relationship between access to resources and the 5 dependent variables. Using complexity theory as the theoretical framework, point biserial correlation and …


The Association Of Smoking With Low Back Pain In Adult Americans: Analysis Of The 2012 National Health Interview Survey, Bart Green Jan 2016

The Association Of Smoking With Low Back Pain In Adult Americans: Analysis Of The 2012 National Health Interview Survey, Bart Green

Walden Dissertations and Doctoral Studies

Back pain is a chronic disease epidemic and the most common chronic painful condition in Americans. It is associated with human suffering and enormous financial and social burdens. Smoking is a prevalent and harmful health behavior and is the greatest modifiable risk factor for many chronic diseases. Cigarette smoking is associated with back pain, but there is little research on this relationship among adults in the United States. Using biopsychosocial theory, this study examined (a) the prevalence of back pain (dependent variable) among smokers, former smokers, and never smokers (independent variable), and (b) the influence of age, sex, race, body …


Socioeconomic Status Mobility And Lifetime Exposure To Discrimination On Cardiovascular Disease Events, Nkenge H. Jones-Jack Jan 2016

Socioeconomic Status Mobility And Lifetime Exposure To Discrimination On Cardiovascular Disease Events, Nkenge H. Jones-Jack

Walden Dissertations and Doctoral Studies

Blacks in the United States have the highest rates of hypertension in the world, and their cardiovascular disease mortality rates are higher than for any other population group as a result of traditional risk factors such as obesity and stronger family history. However, additional underlying factors, such as social determinants of health (e.g., socioeconomic status [SES]) and macrosocial factors (e.g., racism), also correlate with adverse health outcomes. This study investigated whether the interaction between SES mobility over the lifecourse and lifetime racial discrimination influenced the extent to which hypertension contributed to the cardiovascular disease health disparities observed among Blacks in …


Incidence And Factors Associated With Nonalcoholic Fatty Liver Disease Among Patients With Rheumatoid Arthritis, Ani K. John Jan 2016

Incidence And Factors Associated With Nonalcoholic Fatty Liver Disease Among Patients With Rheumatoid Arthritis, Ani K. John

Walden Dissertations and Doctoral Studies

Nonalcoholic fatty liver disease (NAFLD) has become one of the most common hepatic diseases worldwide, making the diagnosis and management of NAFLD an emerging public health issue. Theories associated with NAFLD surmise that inflammation may be the root cause, along with the complex interplay of other chronic conditions such as obesity, metabolic syndrome, diabetes, dyslipidemia, and cardiovascular disease (CVD). It is unknown if other inflammatory conditions such as rheumatoid arthritis (RA), along with the use of methotrexate (MTX), might confer increased risk for NAFLD. Longitudinal data collected from a retrospective cohort of 17,481 adult RA patients in the United States …


Predictors Of Excessive Alcohol Consumption Among U.S. Business Travelers, Jennifer Clore Barrickman Jan 2016

Predictors Of Excessive Alcohol Consumption Among U.S. Business Travelers, Jennifer Clore Barrickman

Walden Dissertations and Doctoral Studies

Excessive alcohol consumption (EAC) is an important public health problem. Several researchers have examined work-related influences on EAC, but few have investigated the predictors of EAC related to business travel. This study measured the association between EAC and frequency of business travel, duration of business travel, and job industry among U.S. business travelers. Research was conducted within the social-ecological theoretical framework. Snowball sampling was used to gather data from 187 business travelers. Data were evaluated using bivariate analysis to assess the association between measures of EAC and each independent variable. Multiple logistic regression was used to adjust for covariates. Respondents …


The Association Of Cancer Development In Patients With Systemic Lupus Erythematosus, Rose Michelle Coley Jan 2016

The Association Of Cancer Development In Patients With Systemic Lupus Erythematosus, Rose Michelle Coley

Walden Dissertations and Doctoral Studies

The Association of Cancer Development in Patients with Systemic Lupus Erythematosus by

Rose Michelle Coley

MPH, Walden University, 2011

BS, University of Mount Olive, 2008

Dissertation Submitted in Partial Fulfillment

of the Requirements for the Degree of

Doctor of Philosophy

Public Health

Walden University

March 2016

Both cancer and autoimmune diseases have been associated with numerous factors that may independently lead to the development of either disease. When these factors overlap the difficulty in assessing association is compounded. The numerous factors that are thought to cause systemic lupus erythematosus (SLE), which leads to the development of cancer, makes the study …


Association Between Biopsychosocial Factors And Physical Activity Among U.S. Stroke Survivors, Claire Johnson Jan 2016

Association Between Biopsychosocial Factors And Physical Activity Among U.S. Stroke Survivors, Claire Johnson

Walden Dissertations and Doctoral Studies

Stroke causes substantial morbidity and mortality, and physical activity can reduce the risk of stroke occurrence. The purpose of this study was to test the association between biopsychosocial factors and levels of physical activity and to develop a model to predict inactivity for US stroke survivors. A quantitative, cross-sectional analysis was performed of the 2013 National Health Interview Survey (NHIS), which is a representative sample of US households. Association for 1,077 stroke survivors was tested with chi-square between physical activity and independent variables: biological factors (age, sex, race, body mass index, musculoskeletal conditions, and cardiovascular diseases), psychological factors (mental distress, …


Understanding Caregivers' Perceptions Of Childhood Immunization, Oliver Anyabolu Jan 2016

Understanding Caregivers' Perceptions Of Childhood Immunization, Oliver Anyabolu

Walden Dissertations and Doctoral Studies

Low immunization in Nigeria is associated with high prevalence of childhood diseases. The purpose of this qualitative phenomenological study was to describe caregivers' perceptions of routine immunization of their children ages 24 to 36 months. Caregivers' attitudes, cultural beliefs, and knowledge regarding immunization were examined. The health belief model was used to guide study. Interviews were conducted with 5 caregivers of fully immunized and 5 caregivers of partially and nonimmunized children. Digital recordings were analyzed using NVivo 10 to identify themes and subthemes. Attitudes of caregivers with fully immunized children included both perceived barriers (distance to health center, lack of …


Risk Factors For Hypertension Among African-Born Immigrants In The United States, John Ojih Jan 2016

Risk Factors For Hypertension Among African-Born Immigrants In The United States, John Ojih

Walden Dissertations and Doctoral Studies

Essential hypertension (HTN) has been and continues to be a serious public health problem across the globe, particularly among Black races, with an estimated morbidity rate of over 1 billion people and an estimated mortality rate of 9.4 million people worldwide. Essential HTN can lead to a host of chronic diseases including cardiovascular disease (CVD), stroke, myocardial infarction, brain damage, kidney failure, and retinopathy. The main purpose of this quantitative, descriptive, nonexperimental study was to investigate the association of physical inactivity, length of stay in the United States, immigrants' health status, and food security as risk indicators in the development …


Characteristics Of Adult Icu Patients With Device Associated Nosocomial Infections, Doramarie Arocha Jan 2016

Characteristics Of Adult Icu Patients With Device Associated Nosocomial Infections, Doramarie Arocha

Walden Dissertations and Doctoral Studies

Nosocomial infections are a cause of concern for hospital patients and the incidence rates of these infections are greater in intensive care units (ICUs) due to the invasive nature of treatments, additional risk factors and comorbidities, and therapies used. Invasive devices, such as vascular central lines, Foley catheters, and mechanical ventilators pose a risk for critically ill patients in the ICUs to develop device-related, healthcare-associated infections (HAI). The purpose of this study was to describe the epidemiological characteristics of patients who developed device-related HAIs within 3 ICU units (medical-surgical, cardiovascular, and neurosurgical) of an academic medical facility. The ecosocial theory …


Maternal Characteristics And Childhood Immunization Series Completion Rates Among Children 2-Years-Old, Merlene Ramnon Jan 2016

Maternal Characteristics And Childhood Immunization Series Completion Rates Among Children 2-Years-Old, Merlene Ramnon

Walden Dissertations and Doctoral Studies

Delays in childhood immunization may have adverse health implications. In the United States, childhood immunization among children who are below 3 years of age continues to be below Healthy People 2020 targets for some vaccines such as DTaP, PCV, HIB, Hep A, Rotavirus, and Hep B birth dose. The purpose of this study was to examine the association between maternal characteristics and childhood immunization series completion rates among children 2 years of age. The social learning theory and self-efficacy theory provided the theoretical foundation for the study. Data from the Florida Department of Health Immunization Surveys were used. ANOVA and …


Comparison Of Neovascular Age-Related Macular Degeneration Populations In The United States, Susan Lynette Coultas Jan 2016

Comparison Of Neovascular Age-Related Macular Degeneration Populations In The United States, Susan Lynette Coultas

Walden Dissertations and Doctoral Studies

Age-related macular degeneration (AMD) is one of the leading causes of blindness in the United States in people who are 50 and older. The safety and efficacy of aflibercept for the treatment of late stage neovascular AMD (NAMD) has been demonstrated by clinical trials among several populations; however, it is unclear whether all NAMD patients respond in the same manner as was studied in the clinical trials. The purpose of this study was to examine if populations of patients treated with aflibercept for the treatment of NAMD were significantly different from one another in terms of health characteristics, treatment regimens, …


Poverty, Food Insecurity, And Obesity Among Urban And Rural Populations, Tameka Ivory Walls Jan 2016

Poverty, Food Insecurity, And Obesity Among Urban And Rural Populations, Tameka Ivory Walls

Walden Dissertations and Doctoral Studies

Over 17 million food-insecure households are associated with increasing obesity rates across the United States. Although food insecurity and obesity are distinct social concerns, the two are linked and may be influenced by poverty and geographic location. Public health authorities and state leaders responsible for the health and nutrition of rural populations in particular would benefit from this information. The purpose of this quantitative cross-sectional study was to examine whether poverty mediated the relationship between food insecurity and obesity among urban and rural adults. The study was guided by the poverty, food insecurity, and obesity conceptual framework. The study addressed …


Influence Of Built Environment On Physical Activity Outcomes Among African Americans In Community-Based Obesity Intervention Studies, Amanda Sue Thomas Jan 2016

Influence Of Built Environment On Physical Activity Outcomes Among African Americans In Community-Based Obesity Intervention Studies, Amanda Sue Thomas

Theses and Dissertations

More than sixty-five percent of people in the U.S. are considered overweight or obese. African-Americans in the U.S. have a higher risk of obesity than any other racial group. One way to reduce this statistic is physical activity. Recreational green spaces (parks) can serve as an avenue to complete the 150 min/wk of recommended physical activity for adults by the ACSM. Data from SISTAS and HEALS interventions, that recruited overweight/obese African-Americans from Columbia and Florence, SC, was used to assess the association of recreational green space (parks) around a residence and physical activity. Physical activity measures of RAPA questionnaire (self-report), …


The Influence Of Prenatal And Early Life Factors On Bmi Z Scores And The Risk Of Being Obese In Early Childhood, Junxiu Liu Jan 2016

The Influence Of Prenatal And Early Life Factors On Bmi Z Scores And The Risk Of Being Obese In Early Childhood, Junxiu Liu

Theses and Dissertations

Childhood obesity is a serious public health challenge. The underlying causes behind the rising levels of childhood obesity might be driven by prenatal and early life factors. Recently, several studies have examined the association between gestational weight gain (GWG) and the risk of obesity in the pediatric population. Findings on the association of both inadequate and excessive GWG with offspring obesity are inconsistent and vary by maternal prepregnancy body mass index (BMI) status. Inconsistent findings also exist for the association of GWG and BMIZ as a continuous outcome. Nevertheless, existing studies mainly focus on the BMIZ upper centiles using logistic …


Influence Of Thyroid Disorders On Pregnancy Outcomes, Brittany Sullivan Jan 2016

Influence Of Thyroid Disorders On Pregnancy Outcomes, Brittany Sullivan

Theses and Dissertations

Objective: The objective of this thesis is to investigate the effects of maternal thyroid dysfunction on maternal pregnancy outcomes.

Setting and Participants: The NICHD Consecutive Pregnancy data set contains information on a total of 114,679 pregnancies from 51,086 women who delivered ≥ 20 weeks of gestation. The data come from 20 different hospitals throughout the state of Utah and were collected between the years of 2002 to 2010.

Main Outcomes: Main outcomes of interest included: breech presentation, chorioamnionitis, gestational diabetes, gestational hypertension, hemorrhage, inductions, placental abruption, placental previa, preterm birth, premature rupture of membranes (PROM), preeclampsia, and …


Sleep Disorder Trends, Epigenetic Markers, And Genetic Variation Of Circadian Genes In Adenomatous Polyp Formation, Melannie Alexander Jan 2016

Sleep Disorder Trends, Epigenetic Markers, And Genetic Variation Of Circadian Genes In Adenomatous Polyp Formation, Melannie Alexander

Theses and Dissertations

Introduction: Sleep disturbances and sleep quality have fluctuated over time in the United States (US). Virtually every physiological process follows a circadian pattern, and cellular processes (i.e., cell proliferation, DNA damage response, and apoptosis) are often disrupted by sleep disturbances and other factors, potentially giving rise to adverse health outcomes such as cancer. Additionally, both genetic variation and epigenetic patterns within clock genes, which may affect sleep quality, also may increase one’s risk for developing cancer. The role of sleep disturbances in the formation of adenomas, precursor lesions to colorectal cancer (CRC), has been explored previously; however, little is …


The Waist To Height Ratio Is A Better Anthropometric Index Of Abdominal Obesity And Its Association With The Prevalence Of Diabetes Among Asian Americans, Yu Xiao Jan 2016

The Waist To Height Ratio Is A Better Anthropometric Index Of Abdominal Obesity And Its Association With The Prevalence Of Diabetes Among Asian Americans, Yu Xiao

All Master's Theses

There is limited information about diabetes prevalence among Asian Americans. Diabetes risk factors include abdominal obesity (AO), which can be assessed by measuring waist circumference (WC) or waist-to-height-ratio (WHtR). The purpose of this study was to compare the prevalence of diabetes among Asians with non-Asians in the United States and compare WC and WHtR as predictors of diabetes. Data from the National Health and Nutrition Examination Survey (NHANES) 2011-14 was analyzed using SAS 9.2. There were 8,615 adult non-pregnant non-Asians and 1,224 Asians included in this study. Despite a lower prevalence of obesity among Asians compared to non-Asians (12% vs …


Introduction To Targeted Learning, Laura Balzer Dec 2015

Introduction To Targeted Learning, Laura Balzer

Laura B. Balzer

No abstract provided.


Early Diagnosis Of Dengue Disease Severity In A Resource-Limited Asian Country, Philippe Cavailler, Arnaud Tarantola, Yee Sin Leo, Andrew A. Lover, Anne Rachline, Duch Moniboth, Rekol Huy, Ai Li Quake, Kdan Yuvatha, Veasna Duong, Jeremy L. Brett, Philippe Buchy Dec 2015

Early Diagnosis Of Dengue Disease Severity In A Resource-Limited Asian Country, Philippe Cavailler, Arnaud Tarantola, Yee Sin Leo, Andrew A. Lover, Anne Rachline, Duch Moniboth, Rekol Huy, Ai Li Quake, Kdan Yuvatha, Veasna Duong, Jeremy L. Brett, Philippe Buchy

Andrew Lover

Background: Dengue is endemic throughout Cambodia, a country faced with significant health and economic challenges. We undertook a clinical study at the National Paediatric Hospital in Phnom Penh to evaluate clinical diagnostic parameters for dengue and predictors of disease outcome. Methods: Between September 2011 and January 2013, all consecutive inpatients aged between 1 and 15 years and presenting with suspected dengue were enrolled. They were clinically assessed using both the 1997 and 2009 WHO dengue classifications. Specimens were collected upon admission and discharge and tested for dengue at Institut Pasteur in Cambodia. Results: A total of 701 patients were screened. …


Eliminate Now: Seven Critical Actions Required To Accelerate Elimination Of Plasmodium Falciparum Malaria In The Greater Mekong Subregion, Andrew A. Lover, Roly Gosling, Richard Feachem, Jim Tulloch Dec 2015

Eliminate Now: Seven Critical Actions Required To Accelerate Elimination Of Plasmodium Falciparum Malaria In The Greater Mekong Subregion, Andrew A. Lover, Roly Gosling, Richard Feachem, Jim Tulloch

Andrew Lover

The emergence in 2009 of Plasmodium falciparum parasites resistant to the primary therapies currently in use (artemisinin-based combination therapy, ACT) in Southeast Asia threatens to set back decades of global progress in malaria control and elimination. Progress to date through multiple sets of initiatives and partners to contain or eliminate these parasites has been hampered due to a wide range of organizational, financial, and health systems-level challenges. In this commentary, a set of seven specific and concrete actions are proposed to directly address these issues and to accelerate P. falciparum elimination within the Greater Mekong Subregion to avert a wider …


Serological Evidence For Localized And Persistent Antibody Response In Zika Virus-Positive Neonates With Microcephaly (Brazil, 2015)- A Secondary Analysis, Andrew A. Lover Dec 2015

Serological Evidence For Localized And Persistent Antibody Response In Zika Virus-Positive Neonates With Microcephaly (Brazil, 2015)- A Secondary Analysis, Andrew A. Lover

Andrew Lover

A recent publication in The Lancet by Cordeiro and colleagues reported levels of IgM for Zika (ZIKV) and dengue (DENV) viruses in serum and cerebrospinal fluid (CSF) of 31 infants born with microcephaly in Brazil. 1 Their study suggests higher titers in CSF relative to serum in individual neonates, but no quantitative comparisons were reported. In this short report, the differences in antibody titers are quantified and compared between sample sources; across sampling periods; and between sample sources within individual neonates to more comprehensively understand these data to inform serological surveillance. These are statistically significant differences in ZIKV titers between …