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2017

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Articles 2311 - 2340 of 2464

Full-Text Articles in Public Health

Temporary Restaurant Closures And Food Handling Violations: Inspection Reports In British Columbia, Pam Mandarino Jan 2017

Temporary Restaurant Closures And Food Handling Violations: Inspection Reports In British Columbia, Pam Mandarino

Walden Dissertations and Doctoral Studies

Unsafe food handling practices are implicated in many restaurant-associated foodborne disease outbreaks. Factors that contribute to unsafe food handling in restaurants include inadequate food safety knowledge, employees who perceive that safe food handling is not under their control, and restaurant cultures that do not prioritize food safety. The purpose of this study was to determine whether temporary restaurant closures were associated with reduced food handling violations after closure in restaurants from the Vancouver Coastal Health Authority and the Fraser Health Authority, in British Columbia, Canada. The theoretical foundations used were the health action process approach and the theory of planned …

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School Nurses' Role In The Management Of Children With Type 2 Diabetes, Rosaline Jane Martinez-Culpepper Jan 2017

School Nurses' Role In The Management Of Children With Type 2 Diabetes, Rosaline Jane Martinez-Culpepper

Walden Dissertations and Doctoral Studies

An estimated 215,000 children and adolescents younger than 20 years old were diagnosed with Type 1 or Type 2 diabetes in 2011. Management of children with Type 2 diabetes requires 24-hour care provided by health care providers, parents, and school nurses. Guided by the health belief model (HBM), the purpose of this qualitative case study was to explore and describe beliefs, attitudes, and practices of school nurses who manage children with Type 2 diabetes. A pilot study with 2 nurses was conducted to finalize interview guide. Volunteer school nurses were recruited through an e-mail announcement from their school district. Face-to-face, …

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Gender Differences In Health Service Utilization Among Veterans With Acute Kidney Injury, Freneka Fronsha Minter Jan 2017

Gender Differences In Health Service Utilization Among Veterans With Acute Kidney Injury, Freneka Fronsha Minter

Walden Dissertations and Doctoral Studies

The U.S. Department of Veterans Affairs (VA) studies on acute kidney injury (AKI) have focused on defined procedures and outcomes but not on gender differences. The purpose of this study was to investigate differences in health services utilization by gender and other predisposing factors (age and race) among hospitalized veterans with AKI during a 5-year period from 2008 to 2013. The study included a retrospective cohort design and the behavioral model of health services utilization as the underlying theoretical framework. Secondary data were collected from an existing VA cohort. Data from 1,636 hospitalized AKI veterans were subjected to t tests …

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Infant Mortality Among African American Women Compared To European American Women In New York City, Marian Taylor Jan 2017

Infant Mortality Among African American Women Compared To European American Women In New York City, Marian Taylor

Walden Dissertations and Doctoral Studies

The birth of low weight babies in the United States has not had a meaningful decline for the last 10 years.It continues to be a major predictor of fetal-infant mortality. In addition, the rate of low birth weight infants among African American women continues to be twice that of European American women. Low birth weight babies may experience breathing problems, vision problems, diabetes, hypertension, and cerebral palsy. The purpose of this study was to examine why the high infant mortality rate persist among the African American communities of Southeast Queens, New York City as compared to European American communities in …

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African American Pastors' Perspectives On Health Promotion Ministries, Brenda Ivy Watson Jan 2017

African American Pastors' Perspectives On Health Promotion Ministries, Brenda Ivy Watson

Walden Dissertations and Doctoral Studies

The centrality of the church in African American communities makes it a culturally compelling sponsor for health promotion activities targeting health disparities among the medically underserved. Pastoral support is critical in determining whether a church initiates or supports a health promotion agenda, but there is little understanding of the variables that influence this decision. The aim of the qualitative study was to investigate the perceptions of African American pastors regarding the decision to incorporate health promotion programs in their churches. This study was guided by the health belief model using a phenomenological approach. Data were collected using both semi-structured and …

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Tablet App For Child Cognitive Assessment In Low And Middle Income Countries, Patricia A. Francis-Lyon, Yasser Attiga, Rashmi Manjunath, Uma Ramasubramanian, Vaishali Chaudhuri, Tri Nguyen, Xiangyi Xu Jan 2017

Tablet App For Child Cognitive Assessment In Low And Middle Income Countries, Patricia A. Francis-Lyon, Yasser Attiga, Rashmi Manjunath, Uma Ramasubramanian, Vaishali Chaudhuri, Tri Nguyen, Xiangyi Xu

Nursing and Health Professions Faculty Research and Publications

No abstract provided.

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Individual And Institutional Level Factors That Influence Hiv Testing And Counseling Utilization During Antenatal Care In Nigeria, Modupeoluwa O. Durojaiye Jan 2017

Individual And Institutional Level Factors That Influence Hiv Testing And Counseling Utilization During Antenatal Care In Nigeria, Modupeoluwa O. Durojaiye

All ETDs from UAB

Of the estimated 150,000 new HIV infections in children in 2015, 122,000 occurred in sub-Saharan Africa (SSA), with Nigeria accounting for a third of all cases. Most of these infections were acquired via mother-to-child transmission (MTCT). HIV testing and counseling, a critical first step in the prevention of MTCT (PMTCT), can ensure that HIV-positive women access services that can reduce HIV transmission risk. Incorporating HIV testing and counseling into antenatal care (ANC) is an integral component of the World Health Organization (WHO) strategies. This dissertation aims to understand factors that influence HIV testing and counseling during ANC. It is comprised …

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Publc Hospital Conversions: A Question Of Social Capital?, Antionette Smith Epps Jan 2017

Publc Hospital Conversions: A Question Of Social Capital?, Antionette Smith Epps

All ETDs from UAB

ABSTRACT Between 1975 and 2015, the number of public hospitals decreased by 43%, from 1761 to 1003. Public hospitals have undergone changes in ownership status, structural and/or governance conversions and closures. Reasons for these changes are varied and numerous, however, many studies identify financial difficulties as a major reason that decision-makers consider an ownership change. Some public hospitals persist despite exhibiting financial issues. Therefore, there may be other factors contributing to the persistence of some public hospitals. This paper examines the potential role of social capital or community engagement and cohesion as a factor in determining if a public hospital …

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Reducing Acute Cardiovascular Hospitalizations With A Weight Management Program (Reach), Laura A. Graham Jan 2017

Reducing Acute Cardiovascular Hospitalizations With A Weight Management Program (Reach), Laura A. Graham

All ETDs from UAB

Reducing cardiovascular (CVD) risk factors such as obesity through lifestyle and behavioral interventions like weight management programs should result in better cardiovascular health. However, there is conflicting evidence on the effectiveness of these interventions in reducing long-term CVD outcomes such as acute myocardial infarction or stroke. This reflects an important gap in our understanding about factors affecting recruitment and engagement in these programs and how these factors relate to improvement in long-term cardiovascular health. To address this gap, we will use a retrospective study with up to 11 years of follow up data from the nation’s largest health care system-associated …

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Autism Spectrum Disorders And Social-Ecological Models: Understanding How Context Drives Prevalence, Anne Elizabeth Brisendine Jan 2017

Autism Spectrum Disorders And Social-Ecological Models: Understanding How Context Drives Prevalence, Anne Elizabeth Brisendine

All ETDs from UAB

Background: While there has been significant work done to explore disparities in autism spectrum disorder (ASD) diagnoses with respect to individual characteristics, little work has been done to examine the overall system and structure of the environment in which ASD identification is made and how it is related to diagnosis and services. The purpose of this study is to better understand the social-ecological factors that impact ASD diagnoses at the population level. Methods: In the first aim of this dissertation, a tailored social ecological model was developed and examined across variables in the 2011/12 National Survey of Children’s Health. In …

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Racial Disparities In The Maintenance Of Healthy Lifestyles And Their Effect On Cumulative Blood Pressure Burden And Left Ventricular Mass In African Americans And Whites: Data From The Coronary Artery Risk Development In Young Adults (Cardia) Study, John N. Booth Jan 2017

Racial Disparities In The Maintenance Of Healthy Lifestyles And Their Effect On Cumulative Blood Pressure Burden And Left Ventricular Mass In African Americans And Whites: Data From The Coronary Artery Risk Development In Young Adults (Cardia) Study, John N. Booth

All ETDs from UAB

The prevalence of healthy behaviors associated with optimal blood pressure (BP) levels and reduced risk for target-organ damage and cardiovascular disease (CVD) is lower in blacks compared with whites. Randomized controlled trials provide evidence that if healthy behaviors are maintained over the lifespan, including normal body weight, moderate physical activity, limited alcohol intake, limited sodium intake, adequate potassium intake and a rich diet of fruits and vegetables and low in high-fat dairy and saturated and total fat, then high BP may be preventable. The goal of this dissertation was to assess racial differences in the maintenance of healthy behaviors and …

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Effect Of Antihypertensive Drugs On Left Ventricular Traits In Africam American, Anh N. Do Jan 2017

Effect Of Antihypertensive Drugs On Left Ventricular Traits In Africam American, Anh N. Do

All ETDs from UAB

The purpose of this dissertation is to evaluate the association of antihypertensive treatment as well genomic variants with left ventricular (LV) hypertrophy (LVH) -related traits among African Americans (AAs) in five cross-sectional epidemiology cohorts from the United States. AAs especially those with hypertension, are overburdened by left ventricular (LV) hypertrophy (LVH) compared to other ethnic groups. LVH is associated with increased risk for cardiovascular morbidity and mortality. Antihypertensive treatments have been found to improve LVH and related echocardiographic measures (i.e. LV traits) among hypertensive patients. However, the effect of antihypertensive treatments on LVH and related traits in AAs has not …

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Phenotypic Characteristics And Dietary Treatment Of Pediatric Non-Alcoholic Fatty Liver Disease, Shima Dowla Jan 2017

Phenotypic Characteristics And Dietary Treatment Of Pediatric Non-Alcoholic Fatty Liver Disease, Shima Dowla

All ETDs from UAB

Background: Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder among children in the developed world and can progress to cirrhosis, hepatocellular carcinoma, and liver failure. Objectives: The primary objectives of this dissertation were to (1) review advances in the field of pediatric NAFLD, (2) describe the demographic, anthropometric and metabolic characteristics of children with NAFLD and evaluate whether differences existed based on ethnicity and diagnostic method, and (3) compare the effect of a carbohydrate restricted diet vs fat reduced diet on improvement in hepatic steatosis over an 8-week period among overweight and obese children diagnosed with NAFLD. …

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Statistical Tests For Confounding, Falynn Cartmill Turley Jan 2017

Statistical Tests For Confounding, Falynn Cartmill Turley

All ETDs from UAB

The use of propensity score methods have increased tremendously in the last several years. Propensity scores are used as a tool to correct the effects of confounding that can result in biased estimates of treatment effects. However, there is more than one method that employs propensity scores, and there is no guide in choosing the optimal method, in terms of Type I error and statistical power. This research aims to assess these attributes through a complex simulation study of a five variable model. The results of the simulations indicate performance of a particular propensity score method is dependent

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Comparative Analysis Of New Techniques For Hearing Conservation Program Selection, Laura Hurst Jan 2017

Comparative Analysis Of New Techniques For Hearing Conservation Program Selection, Laura Hurst

All ETDs from UAB

Hazardous noise is a widespread problem in industry and recreation. Noise induced hearing loss is one of the most frequently reported occupational health claims worldwide. While there has been much research on noise, its effects, and how to prevent hearing loss in industry, there is limited research available to help quantify the difference that monitoring noise at a lower threshold might create in the measured exposure estimate. Additionally, the studies involving the use of different noise monitoring settings do not attempt to explain how the results might change the outcomes when using data and statistical techniques to classify similar exposure …

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Alternative Methodological Approaches For Quantifying Dental Caries And Non-Water Beverage Consumptions For The Improvement Of Caries Risk Analyses In Children, Kelsey Harris Jordan Jan 2017

Alternative Methodological Approaches For Quantifying Dental Caries And Non-Water Beverage Consumptions For The Improvement Of Caries Risk Analyses In Children, Kelsey Harris Jordan

All ETDs from UAB

Researchers assume caries progress constantly, all crowned/extracted tooth surfaces are carious, and non-water beverage consumption (NWBC) habits are similar by relying on increments, dmfs scoring, and consumption frequencies, respectively. These assumptions are likely inaccurate. The purpose of this research was to evaluate and modify the use of 1) longitudinal caries disease assessment, 2) the dmfs score and 3) NWBC variables to more accurately estimate disease and identify risk factors. To investigate, young (8-18 months at baseline), healthy, poor, rural, African American, Alabamian children were observed annually for five years. Three calibrated dentists performed oral examinations (without radiographs), calculating the number …

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Sample Size Re-Estimation For Confirmatory Two-Stage Multi-Arm Trials With Normal And Binary Outcomes, Yan Li Jan 2017

Sample Size Re-Estimation For Confirmatory Two-Stage Multi-Arm Trials With Normal And Binary Outcomes, Yan Li

All ETDs from UAB

Multi-arm clinical trials comparing several treatments against a common control are more efficient than traditional multiple two-arm trials. Several flexible multi-arm designs which utilize the closed test procedure for strong familywise error rate control have been proposed to allow treatment selection and sample size re-estimation (SSR) at the interim analysis. Because of the interdependence among hypothesis tests for each treatment induced by the closed test procedure, SSR methods for two-arm trials are not directly applicable to multi-arm trials. Further, there is limited literature on methods for SSR in multi-arm trials. In paper 1, we derive SSR procedures based on the …

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A Statistical Approach To Computed Tomography Perfusion, Seth Thomas Lirette Jan 2017

A Statistical Approach To Computed Tomography Perfusion, Seth Thomas Lirette

All ETDs from UAB

Stroke is, and will continue to be, a pervasive problem in the both the United States and across the world, and computed tomography (CT) perfusion scanning will continue to be a first-line diagnostic tool to quantify where and how much blood flow occlusion is present in the brain. CT perfusion maps displaying several scalar perfusion parameters for each brain voxel will continue to be used by radiologists and other clinicians. The goal of this dissertation is to examine and improve upon current standards of practice concerning CT perfusion. We first exhibit how software that constructs perfusion maps can be implemented …

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Univariate Frailty Model For Competing Risks Data Analysis, Yuliang Liu Jan 2017

Univariate Frailty Model For Competing Risks Data Analysis, Yuliang Liu

All ETDs from UAB

Unobserved individual heterogeneity, that is frailty, is a major concern in the application of analysis for competing risks data. Unlike the study of clustered competing risks data using multivariate frailty models, we have not found a study of non-clustered competing risks data using univariate frailty model. This dissertation focuses on developing frailty models for the analysis of non-clustered competing risks data. The estimation of the effects of covariates by a parametric univariate frailty model could be a useful approach when heterogeneity must be considered in the non-clustered competing risks setting. In paper 1, we compared the performance of the Cox, …

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Formaldehyde Emissions From Laminate Flooring, Stephanie Latisha Marzette Jan 2017

Formaldehyde Emissions From Laminate Flooring, Stephanie Latisha Marzette

All ETDs from UAB

In recent years, several incidents have caused public concern about the levels of formaldehyde present in residential homes. It is one of the most prevalent and regularly detected pollutants in an indoor environment. This is due to the presence of formalde-hyde in many common products, such as household cleaners and paints, as well as build-ing materials. Formaldehyde exposure can lead to sore throat, coughing, eye and airway irritation, and increased occurrences of asthma symptoms. Due to the public health con-cerns, this research was designed to investigate the distinctive nature of formaldehyde emissions from laminate flooring and test the reliability of …

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The Association Between Cancer And Risk Of Sepsis Among Whites And Blacks In The Regards Cohort, Justin Xavier Moore Jan 2017

The Association Between Cancer And Risk Of Sepsis Among Whites And Blacks In The Regards Cohort, Justin Xavier Moore

All ETDs from UAB

Cancer is the second leading cause of morbidity and death in the United States corresponding to more than 1.7 million incident cases and responsible for more than 550,000 deaths annually. In addition, hospitalized cancer patients are nearly 10 times more likely to develop sepsis when compared to participants with no cancer history. As treatments and therapies for cancer continue to improve, the average 5-year survival is approaching 70% overall among the US population; however, to date there is very limited research that has examined the association between patients with a history of cancer and future risk of sepsis among a …

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Effective Recruiting For Subgroups In The Systolic Blood Pressure Intervention Trial (Sprint), Thomas Marshall Ramsey Jan 2017

Effective Recruiting For Subgroups In The Systolic Blood Pressure Intervention Trial (Sprint), Thomas Marshall Ramsey

All ETDs from UAB

EFFECTIVE RECRUITING FOR SUBGROUPS IN THE SYSTOLIC BLOOD PRESSURE INTERVENTION TRIAL (SPRINT) THOMAS MARSHALL RAMSEY HEALTH EDUCATION / HEALTH PROMOTION ABSTRACT Background: The Systolic Blood Pressure Intervention Trial (SPRINT) recruitment focused on participants > 50 years old with systolic blood pressure of > 140 mm Hg (hypertension) with no evidence of diabetes or previous stroke. Priority participants were targeted in non-clinical subgroups (women and minorities) as well as three clinical subgroups (pre-existing cardiovascular disease, pre-existing chronic kidney disease, > 75 years old). Objective: The objective of this secondary analysis is to determine which of the five recruiting strategies was most effective? Which recruitment …

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Modeling Depression Treatment Strategies For Human Immunodeficiency Virus (Hiv) Positive Patients, Rongbing Xie Jan 2017

Modeling Depression Treatment Strategies For Human Immunodeficiency Virus (Hiv) Positive Patients, Rongbing Xie

All ETDs from UAB

This dissertation empirically examines the associations between depression and HIV-related outcomes, simulates both care and outcomes under different depression care strategies, and compares the cost effectiveness of various depression care strategies to the current care strategy. The empirical investigations reveal the negative associations between depression and HIV-related outcomes using two longitudinal patient-level databases. Furthermore, the patterns and outcomes of depression care are identified and simulated using agent-based modeling. Finally, simulated costs and effectiveness are used to evaluate different depression care strategies for reducing new HIV infections and improving quality of life. The current standard of care for depression among patients …

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Statistical Methods In Cancer Survival Prediction And Microbiome Data Analysis, Xinyan Zhang Jan 2017

Statistical Methods In Cancer Survival Prediction And Microbiome Data Analysis, Xinyan Zhang

All ETDs from UAB

This dissertation focused on developing statistical methods in two areas, cancer survival prediction and microbiome data analysis. Heterogeneity in terms of tumor characteristics, prognosis, and survival has been a persistent problem in cancer prediction and prognosis for many decades. One of the main shortcomings of past studies is the failure to incorporate prior biological information into the predictive model, given strong evidence of pathway-based genetic nature of cancer. In paper 1, to address this problem, we propose a two-stage approach to incorporate pathway information into the prognostic modeling using large-scale gene expression data. In the first stage, we fit all …

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Comparative Performance And Clinical Utility Of Indirect Treatment Comparison Estimators, William Hillegass Jan 2017

Comparative Performance And Clinical Utility Of Indirect Treatment Comparison Estimators, William Hillegass

All ETDs from UAB

In the clinical decision between two or more discrete competing diagnostic or therapeutic patient care strategies, the main consideration is typically the expected difference in the primary outcome of interest. When head-to-head randomized trial results are unavailable or insufficient, this expected difference in outcome can be estimated with an indirect comparison in some settings. Publication of formalized indirect comparisons and proposed statistical methods in the medical literature began in 1993. Despite growing acceptance of indirect treatment comparisons as credible evidence, the statistical underpinnings, properties, and performance of these methods both individually and comparatively remain incompletely explored and defined. This dissertation …

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Implementation Of Repeat Hiv Testing During Pregnancy In Kenya, Anna Joy Graves Rogers Jan 2017

Implementation Of Repeat Hiv Testing During Pregnancy In Kenya, Anna Joy Graves Rogers

All ETDs from UAB

It is estimated that a third of all mother-to-child transmission (MTCT) of HIV occurs in women with incident HIV infection during pregnancy, potentially contributing to over 37,000 pediatric HIV infections globally and 4,300 infections in Kenya on an annual basis. Since most pregnant women with acute HIV infection test negative for HIV during routine early-pregnancy antenatal testing, they may not receive access to life-saving antiretroviral therapy (ART) for their own sake, as well as to prevent perinatal HIV transmission. A comprehensive strategy to eliminate MTCT will require identifying and addressing incident HIV infection. International recommendations suggest that pregnant women in …

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Obesity And Obesity Shape Markedly Influence Spine Biomechanics: A Subject-Specific Risk Assessment Model, Farshid Ghezelbash, Aboulfazl Shirazi-Adl, André Plamondon, Navid Arjmand, Mohammad Parnianpour Jan 2017

Obesity And Obesity Shape Markedly Influence Spine Biomechanics: A Subject-Specific Risk Assessment Model, Farshid Ghezelbash, Aboulfazl Shirazi-Adl, André Plamondon, Navid Arjmand, Mohammad Parnianpour

Études primaires

Underlying mechanisms of obesity-related back pain remain unexplored. Thus, we aim to determine the effect of obesity and its shapes on the spinal loads and the associated risks of injury. Obesity shapes were initially constructed by principal component analysis based on datasets on 5852 obese individuals. Spinal loads, cycles to vertebral failure and trunk stability margin were estimated in a subject-specific trunk model taking account of personalized musculature, passive ligamentous spine, obesity shapes, segmental weights, spine kinematics and bone mineral density. Three obesity shapes (mean and extreme abdominal circumferences) at three body weights (BWs) of 86, 98 and 109 kg …

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Use Of The Novel Derivatizing Agent 1,8-Diaminonapthalene With The Cip10 Sampler To Measure 4,4'-Methylene Diphenyl Diisocyanate Atmospheres, Silvia Puscasu, Simon Aubin, Philippe Sarazin, Lucile Richard, Mark Spence, Sébastien Gagné Jan 2017

Use Of The Novel Derivatizing Agent 1,8-Diaminonapthalene With The Cip10 Sampler To Measure 4,4'-Methylene Diphenyl Diisocyanate Atmospheres, Silvia Puscasu, Simon Aubin, Philippe Sarazin, Lucile Richard, Mark Spence, Sébastien Gagné

Études primaires

DAN is a novel derivatizing agent for isocyanate sampling which targets total reactive isocyanate group (TRIG). Field evaluations have been conducted for 4,4’-Methylene diphenyl diisocyanate (MDI) sampling using DAN as the derivatizing agent in a CIP10. The perimidone formed, selective of TRIG, was analyzed in laboratory by liquid chromatography coupled to tandem mass spectrometry. Workplaces using MDI-based polyurethane spray foam and MDI wood product binder were studied. Each study compared the data obtained between the CIP10/DAN, the CIP10/MP, and a reference method. As a first evaluation, the CIP10/DAN sampled simulated MDI spray foam atmosphere in parallel with impingers (reference method) …

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Type 2 Diabetes Mellitus And Colorectal Cancer Risk And Survival In Oman, Rose Ngozi Mafiana Jan 2017

Type 2 Diabetes Mellitus And Colorectal Cancer Risk And Survival In Oman, Rose Ngozi Mafiana

Walden Dissertations and Doctoral Studies

Type 2 diabetes mellitus (T2DM) and colorectal cancer (CRC) are 2 chronic diseases with common risk factors related to physical inactivity, obesity, and diet. Literature on T2DM as a risk factor for CRC development and survival in Oman is scarce. Using de-identified archival data provided by Sultan Qaboos University Hospital (SQUH) Oman, a retrospective, case-control, and time-to-event study designs were used to compare odds of developing CRC, and survival rates among adults with and without T2DM. The ecosocial theory provided the theoretical base for this research. Logistic regression was used to examine the odds of developing CRC among 114 cases …

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Lived Experiences Of Individuals Quality Of Life On Prolonged Home Mechanical Ventilation, Munyaradzi Ephie Rwakonda Jan 2017

Lived Experiences Of Individuals Quality Of Life On Prolonged Home Mechanical Ventilation, Munyaradzi Ephie Rwakonda

Walden Dissertations and Doctoral Studies

Improvements in technology have allowed people with tracheostomies to live at home on mechanical ventilation (HMV). Quality of life (QOL) for HMV users has been studied quantitatively, but few qualitative studies have been published. The purpose of this phenomenological study was to explore QOL for individuals with tracheostomies on prolonged HMV focusing on activities of daily living (ADLs) and the role of decision- making. The Roper, Logan, and Tierney activities of living theory were used to categorize activities. Ten participants, 18 years and older, with a tracheostomy and on HMV for at least 6 months were enrolled using purposive sampling. …

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