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Articles 1411 - 1440 of 3195
Full-Text Articles in Health Psychology
Utility Of Plasma Biomarkers In The Validation Of Reported Loc & Pta For Gcs 13-15 Patients: A Track-Tbi Pilot Study, Jeffrey Brennan
Utility Of Plasma Biomarkers In The Validation Of Reported Loc & Pta For Gcs 13-15 Patients: A Track-Tbi Pilot Study, Jeffrey Brennan
Dissertations and Theses (Open Access)
Depending on a brain injury patient to accurately report their duration of unconsciousness and amnesia is clearly flawed. We constructed biomarker-based models to validate these self-reported measurements using a GCS 13-15 subset of participants from TRACK-TBI, a multi-institutional study on traumatic brain injury. Potential covariates were assessed for significant interactions with biomarker level. We report that the predictions of LOC and PTA failed. GFAP exhibited the most consistent serum level increase between categories of both LOC and PTA. Given a number of issues with the study sample, we recommend continued investigation on the prediction of LOC and PTA using a …
The Impact Of Location On Healthcare Access For Individuals With Disabilities, Addison Kimber
The Impact Of Location On Healthcare Access For Individuals With Disabilities, Addison Kimber
Honors Scholar Theses
This paper analyzes healthcare access for individuals with disabilities living in rural areas. In current political discussion, we typically think of insurance coverage as the metric to analyze healthcare access. However, as demonstrated by studies of healthcare in the United Kingdom, people with disabilities continue to face barriers to health care even with universal healthcare systems. In particular, individuals in rural areas have less healthcare access than urban residents. This is due to factors including socioeconomic status, insurance coverage, access to competent care, and transportation. This study aims to understand if disability status exacerbates the issue of access in rural …
Mindful Yoga As A Means Of Reducing College Student Stress, Jaylee K. Oliver
Mindful Yoga As A Means Of Reducing College Student Stress, Jaylee K. Oliver
Honors Theses
Thousands of years ago, yoga was intended to refocus and prepare an individual for self-exploration. Today, the “colloquial yoga” has manifested as an exercise fad. The aim of this study was to further investigate yoga as a stress reducing technique among a sample of college students. This study examined yoga as a distinct discipline by comparing 3 separate conditions (yoga, active-control, and neutral-control). This research aimed to demonstrate an overall decrease in perceived stress, increase in self-esteem, and increase in ability to psychologically detach from stressors after engaging in a yoga practice, as compared to the two control conditions. Overall, …
An Experimental Test Of The Effects Of Sleep Deprivation On Approach Behavior, Rebecca L. Campbell
An Experimental Test Of The Effects Of Sleep Deprivation On Approach Behavior, Rebecca L. Campbell
Graduate Theses and Dissertations
Emotion regulation and sleep have been identified as mechanisms that may be involved in the development and maintenance of many mental health disorders. However, there has been little research into the relation between sleep and emotion regulation. To address this gap in knowledge, a novel study was conducted. We hypothesized that sleep deprived individuals would demonstrate less approach behavior toward a negatively valenced stimulus, as well as increased self-reported avoidance, compared to a control group. To test this, a randomized controlled experiment using a behavioral measure of approach and a self-report measure of avoidance was conducted. Fifty-two healthy individuals ages …
The Effects Of Auditory And Olfactory Cues On Visual Attention Toward Food Images Under Acute Stress, Reza Moltaji
The Effects Of Auditory And Olfactory Cues On Visual Attention Toward Food Images Under Acute Stress, Reza Moltaji
Graduate Theses and Dissertations
Psychological stress has been shown to increase preference for high calorie foods containing high levels of sugar and fat. Since excessive intake of high calorie foods may increase potential risk of obesity and other relevant health issues, relieving psychological stress may help in maintaining a balanced diet and good health status. Although a variety of strategies for relieving psychological stress has been suggested, little attention has been paid to regarding whether such strategies can result in balanced diets. Since music therapy and aromatherapy have proven popular approaches to relieving psychological stress, this thesis aimed at determining whether listening to music …
Barriers To Integrated Primary Care And Specialty Mental Health Services: Perspectives From Latinx And Non-Latinx White Primary Care Patients, Elizabeth A. Anastasia
Barriers To Integrated Primary Care And Specialty Mental Health Services: Perspectives From Latinx And Non-Latinx White Primary Care Patients, Elizabeth A. Anastasia
Graduate Theses and Dissertations
High need, low access, and rising health care costs reveal the inadequacies of the current mental health system in the U.S. Racial/ethnic minorities, including Latinxs, face substantial disparities in accessing mental health treatment compared with non-Latinx Whites. Integrated primary care (IPC) offers an alternate model for meeting mental health needs by providing care in a way that is accessible to the general population. Though it has been suggested that IPC may reduce health disparities by decreasing barriers to mental health treatment, empirical data relevant to this question are limited. A series of three studies were conducted using a mixed methodology …
Depressive Symptoms And Survival Among Lung Cancer Patients: Biomarkers And Potential Benefits Of An Ipod- And Mindfulness-Based Intervention., Chelsea J. Siwik
Depressive Symptoms And Survival Among Lung Cancer Patients: Biomarkers And Potential Benefits Of An Ipod- And Mindfulness-Based Intervention., Chelsea J. Siwik
Electronic Theses and Dissertations
Lung cancer patients experience high levels of distress, which commonly manifests as depressive symptoms. Importantly, depressive symptoms have demonstrated prognostic significance in cancer contexts, although the biological pathways by which depressive symptoms lead to poorer survival remain unclear and warrant greater attention. In addition to understanding the biological pathways by which depressive symptoms accelerate disease, identification of efficacious and effective psychological treatments for depressive symptoms are needed to improve both quality and quantity of life for cancer patients. Interventions that reduce depressive symptoms and improve downstream clinical outcomes are certainty needed; however, because many cancer patients face considerable burden, interventions …
Sample Size Calculations For Longitudinal Mediation Analysis With Continuous-Time Markov Chain Variables, Abigail Christine Sedory
Sample Size Calculations For Longitudinal Mediation Analysis With Continuous-Time Markov Chain Variables, Abigail Christine Sedory
Dissertations and Theses (Open Access)
Mediation is a type of analysis used to determine the causal mechanism linking a predictor and an outcome through a mediator variable. Various research has examined the inclusion of different variable types for the predictor, mediator, and outcome. However, no studies include the presence of a continuous-time Markov chain (CTMC) as any of the components in a mediating model. If researchers wanted to design a study with a CTMC in the mediating process, one of the first steps would be to determine the minimum number of subjects or observations needed to detect a significant mediating effect. Therefore, in this study, …
Nudging Quality Improvement In Cancer Care: Influence Of A Clinical Decision Support System To Nudge Adherance To Evidence Based Guidelines In Adult Cancers, Debra Patt
Dissertations and Theses (Open Access)
Cancer care is changing rapidly. Understanding of the increasing subtypes of cancer and exponentially increasing therapeutic interventions are unprecedented due to the rapid pace of scientific discovery and clinical innovation. This immense change within the field, lends itself to quality control initiatives, especially among general oncology providers who see a wide array of cancer types as general oncologists will see many different tumor types, and most of which have several potential treatment choices that have grown over time. Evidence-based pathways are an effective way to nudge quality control by presenting choice architecture at the point of care to facilitate guideline …
Understanding Participation In A Workplace Physical Activity Intervention Using Self-Determination Theory: The Booster Break Study, Kathleen Ochipa
Understanding Participation In A Workplace Physical Activity Intervention Using Self-Determination Theory: The Booster Break Study, Kathleen Ochipa
Dissertations and Theses (Open Access)
Abstract: Sedentary behavior can lead to premature mortality, cardiovascular disease, Type 2 diabetes, and cancer incidence. Office workers are at risk for high amounts of sedentary behavior. Even brief bouts of physical activity that interrupt sedentary behavior can improve office workers’ physical and mental health. The workplace is an optimal setting for increasing physical activity and reducing sedentary behavior among office workers. However, limited literature exists related to the characteristics of participants that adhere to workplace physical activity interventions. This study aimed to identify characteristics of participants who enrolled in the Booster Break program, a 15 minute once-daily intervention during …
Economic Evaluation Of Implementing Hpv Vaccine Promotion Interventions For Cervical Cancer In The United States, Chi-Fang Wu
Economic Evaluation Of Implementing Hpv Vaccine Promotion Interventions For Cervical Cancer In The United States, Chi-Fang Wu
Dissertations and Theses (Open Access)
The HPV vaccine has been proven as a safe and effective method for preventing cervical cancer. However, the HPV vaccine coverage rate in the U.S. is suboptimal. Various interventions have been implemented to improve HPV vaccine coverage. However, evidence of the cost-effectiveness of HPV vaccine promotion interventions is lacking. We conducted an economic evaluation to assess HPV vaccine promotion interventions of cervical cancer in the U.S. Firstly, a systematic review was conducted to review evidence on interventions aimed at increasing HPV vaccine coverage and to summarize the cost and effectiveness of these interventions. We included 56 HPV vaccine promotion studies …
Comparison Of Interactive Electronic Versus Standard Document Method For Obtaining Patient Informed Consent, Jermaine Mcmillan
Comparison Of Interactive Electronic Versus Standard Document Method For Obtaining Patient Informed Consent, Jermaine Mcmillan
Dissertations and Theses (Open Access)
The primary objective of this study was to determine whether participants who received an interactive electronic consent (EC) had a better understanding of a medical procedure (apheresis) compared to those who received the standard document (SD) consent. The study was conducted with apheresis donors whose responses were used to determine if the EC facilitated better comprehension and retention of consent information by the study participants than by SD consenting methods. By comprehension, the goal was to have participants who can understand, summarize, or make judgments based on the content presented in the informed consent. By retention, the goal was to …
A Partial Likelihood Approach To Longitudinal Categorical Data Using A Continuous Time Semi-Markov Chain Model, Kusha A. Mohammadi
A Partial Likelihood Approach To Longitudinal Categorical Data Using A Continuous Time Semi-Markov Chain Model, Kusha A. Mohammadi
Dissertations and Theses (Open Access)
Longitudinal studies have been critical in understanding the characteristics of chronic diseases or interventions. Since many processes have natural multi-categorical responses over time, multi-state stochastic models have been used to estimate the transition rates between stages. Some multi-state models applied in practice assume the Markov property. The Markov property constrains the sojourn distribution to be exponentially distributed. While useful theoretical properties arise by the Markov assumption, we will consider a more flexible framework by allowing arbitrarily distributed waiting times. This describes a semi-Markov process which has already been applied to various fields in Public Health. Similar to Markov model developments, …
Pediatric Wound Care: What Can We Learn From A Systematic Review Of The Literature? Using A Systematic Review And A Clinical Consensus Group To Assess The Quality And Content Of Systematic Reviews Focusing On Pediatric Wound Care. Then Providing And Analytical Outline For Creation Of Pediatric Wound Care Guidelines For Evidence Based Clinical Practice, Ryan Krasnosky
Dissertations and Theses (Open Access)
Background: Wound care practices for neonatal and pediatric patients including the category of products, specific products within each category, and length of application of the products have created lack of standardized evidence-based guidelines for treatments in clinical practices. This dissertation addresses this concern by encompassing three crucial steps in developing evidence-based clinical guidelines for wound care specialists. Using a three-paper method, an expert consensus group was formed, a systematic review of reviews completed and a process for creating clinical decision trees created. Methods: Criteria for selection of the consensus group members included: 1) Research graduate active in Pediatric Wound Care …
Statistical Methods For Functional Annotation-Based Rare Variant Association Analysis, Yiding Ma
Statistical Methods For Functional Annotation-Based Rare Variant Association Analysis, Yiding Ma
Dissertations and Theses (Open Access)
Despite ongoing large-scale population-based whole-genome sequencing (WGS) projects such as the TOPMed program, WGS-based association analysis of complex traits remains a tremendous challenge. External biological knowledge, such as functional annotations based on the ENCODE, Epigenomics Roadmap and GTEx projects, may be helpful in distinguishing causal rare variants from neutral ones; however, each functional annotation can only provide certain aspects of the biological functions. Our knowledge for selecting informative annotations a priori is limited and incorporating non-informative annotations will introduce noise and lose power. In the first part of this dissertation, we propose FunSPU, a versatile and adaptive test that incorporates …
An Assessment Of Outpatient Clinic Room Ventilation Systems And Possible Relationship To Disease Transmission, Kristin G. King
An Assessment Of Outpatient Clinic Room Ventilation Systems And Possible Relationship To Disease Transmission, Kristin G. King
Dissertations and Theses (Open Access)
The delivery of healthcare in the United States is shifting from a largely inpatient model to an outpatient services model, but the physical infrastructure for outpatient clinics or medical offices may not be as robust as inpatient hospitals regarding whole room ventilation requirements. Guidelines for the design of healthcare facilities and national standards for ventilation establish generally acceptable ventilation rates for outpatient clinics, but it is unclear if these standards are actually being integrated into these settings. Published peer reviewed literature indicates that inadequate ventilation rates can be a risk factor in airborne transmission of infectious diseases in outpatient clinics, …
The Influence Of Brand Equity On Prescriber Behaviour In A Multisource Drug Market, Wanjiku Kariuki
The Influence Of Brand Equity On Prescriber Behaviour In A Multisource Drug Market, Wanjiku Kariuki
Dissertations and Theses (Open Access)
When a patent expires, innovator (brand-name) drugs lose their monopoly status and new generic competitors are free to enter the market. Theoretically, free market entry and exit should lead to a drop in the price of the innovator drug as per the tenets of perfect competition. Yet instead of prices decreasing, innovator drug prices are often minimally impacted by generic competition and the innovator continues to maintain both market power and market share – a phenomenon labelled the generic competitor paradox (Scherer, 1993) That the expected supply and demand dynamic is less pronounced in multisource drug markets, suggests that non-price …
Development Of A Culinary Nutrition-Based Training For Dietitians And A Clinic-Based Nutrition Intervention To Improve Health Outcomes Among Low-Income Minority Patients, John Wesley Mcwhorter
Development Of A Culinary Nutrition-Based Training For Dietitians And A Clinic-Based Nutrition Intervention To Improve Health Outcomes Among Low-Income Minority Patients, John Wesley Mcwhorter
Dissertations and Theses (Open Access)
Substantial evidence demonstrates the relations between a healthy dietary pattern rich in fruits, vegetables, and whole grains and a lower risk of chronic diseases including type 2 diabetes. Despite well supported studies, programs, and public health campaigns presenting the health benefits of consuming a healthy dietary pattern, most Americans fall far short of the recommendations. Further, the compounding effects of food insecurity and the consumption of energy-dense and nutrient-deficient foods disproportionately affect low income minority populations. Culinary medicine (CM) and food prescription programs are gaining popularity as tools for (1) decreasing food insecurity; (2) increasing personal agency; (3) promoting healthy …
The Intersection Of Diet, Health And The Environment: Plant Based Diets And Public Health, Christine E. Jovanovic
The Intersection Of Diet, Health And The Environment: Plant Based Diets And Public Health, Christine E. Jovanovic
Dissertations and Theses (Open Access)
Both globally and within the United States, chronic disease has become a major driver of mortality and morbidity. In the United States in 2017, the top ten causes of mortality accounted for 74% of all deaths [2]; of these causes, half are closely linked to diet (heart disease, cancer, stroke, Alzheimer’s and diabetes). [3] In 2013, Ioannidis estimated that 26% of deaths and 14% of disability adjusted life years (DALYs) in the United States may be attributable to dietary risk factors, controlling for obesity. [4] At the same time, diet also has an important impact on the environment. Direct emissions …
Shared Decision Making In The Care Of Post-Acute Psychiatric Individuals With Serious Mental Illness, Natalie J. Maples
Shared Decision Making In The Care Of Post-Acute Psychiatric Individuals With Serious Mental Illness, Natalie J. Maples
Dissertations and Theses (Open Access)
Severe mental illness in adults refers to a group of mental health conditions including schizophrenia and schizoaffective, bipolar and major depressive disorders. These conditions are often characterized by recurring symptoms, multiple hospitalizations, and significant disability. The public health concern with these conditions is amplified because many individuals with severe mental illness fail to engage in outpatient treatment. Methods to support greater rates of participation in outpatient treatment are needed. Encouraging participation in medical decision making is viewed as one method to optimize patient empowerment, increase engagement in care and decrease the negative outcomes that often characterize this population. Shared Decision …
Exploring Community-Based Weight Loss Initiatives, Retention, And Motivation, Miriam Martinez
Exploring Community-Based Weight Loss Initiatives, Retention, And Motivation, Miriam Martinez
Dissertations and Theses (Open Access)
Obesity puts individuals at risk of developing diabetes, cardiovascular disease, and cancer. Traditionally obesity was primarily perceived as a personal disorder requiring treatment at the individual level. Strategies to prevent obesity have shifted to an ecological approach. Organizations such as the World Health Organization recommend population based community approaches that connect people, families, schools, and municipalities. Community programs to facilitate weight loss are an effective strategy to reach large populations. The overall goal of this study is to assess community programs, factors associated with retention, and motivation for completing a community weight-loss initiative. A systematic review was conducted to characterize …
Personalized Estimation And Causal Inference Via Deep Learning Algorithms, Yuanyuan Liu
Personalized Estimation And Causal Inference Via Deep Learning Algorithms, Yuanyuan Liu
Dissertations and Theses (Open Access)
Personalized approaches have shown great potential to transform modern medicine. As challenging as it may sound, we are making tremendous progress with the help of data sciences and machine learning. Two fundamental tasks in data sciences are prediction and inference. In this dissertation, I proposed to address these two tasks using deep learning approaches in the setting of personalized medicine. First, I developed a novel framework to estimate individualized treatment effects (ITE), which quantified the variation in response to the same treatment among patients with heterogeneous profiles. The ITE estimation has the potential to replace the one-size-fits-all average treatment effects …
Using Technology To Reduce Barriers In Community Health: An Intersection Between Broadband Access, Ehr & Telehealth Adoption In Federally Qualified Health Centers, Renita Madu
Dissertations and Theses (Open Access)
While Federally Qualified Health Centers (FQHCs) provide affordable, high quality, accessible and cost–effective primary health care to all individuals regardless of their inability to pay, patients continue to have difficulty accessing affordable primary care as well as broader specialty services that other patients may receive living near larger health systems and hospitals. Health information technology (HIT) serves as a cost-effective means to overcome barriers related to accessing care, particularly for individuals living in rural and remote areas. We examined if the key influencers of an FQHC’s structure, broadband access and/ or state and federal policies impacted the utilization of telehealth …
Estimating Means And Distributions Of Count Data From Surveys Invoking Complex Sampling Designs: Application To Measuring Cross-Sectional And Lifetime Alcohol Intake From Nhanes And Nlsy, Elysia A. Garcia
Dissertations and Theses (Open Access)
It is often of interest to measure the distribution (i.e. mean and percentiles) of count outcomes from national survey data to assess population consumption and guide public health efforts for substances such as alcohol, cigarettes, marijuana, and other illicit or licit drugs. Currently available methods for estimating the distribution of dietary intakes do not immediately lend themselves to estimating the consumption of substances measured as counts, nor do they accommodate the complex design elements – strata, cluster, and weight – characteristic of national surveys. We introduce an accurate methodology, called the Survey Adjusted Count (SAC) method, and an associated SAS …
Understanding Factors That Impact Health Behaviors And Access To Healthcare Among Youth Experiencing Homelessness, Kathryn Rosales Gallardo
Understanding Factors That Impact Health Behaviors And Access To Healthcare Among Youth Experiencing Homelessness, Kathryn Rosales Gallardo
Dissertations and Theses (Open Access)
Youth experiencing homelessness (YEH) have a high risk of adverse health outcomes and their utilization of healthcare services is low. This dissertation aims to further understand factors that impact YEH’s health behaviors and access to healthcare services. This dissertation is in the form of three manuscripts that each contribute to the overall aim. In manuscript 1, we examined the rates and correlates of human papillomavirus (HPV) vaccination initiation and completion among a sample of YEH in seven U.S. cities using logistic regression models. We found that HPV vaccination completion is low among male (19%) and female (37%) YEH. Among male …
A Mixed- Methods Examination Of The Healthcare, Social Support, And Religious Needs Of Sexual And Gender Minority (Sgm) Older Adults In Texas, Jennifer Lynn Holcomb
A Mixed- Methods Examination Of The Healthcare, Social Support, And Religious Needs Of Sexual And Gender Minority (Sgm) Older Adults In Texas, Jennifer Lynn Holcomb
Dissertations and Theses (Open Access)
Shared historical and social contexts influence a generational group’s needs, risk factors, and resiliency mechanisms. Sexual and gender minority (SGM) older adults have experienced structural exclusion and systematic discrimination throughout their lifetime. The minority stress model posits that SGM individuals experience stressors, like discrimination, unique to their social status which affect physical and mental health. SGM older adults experience worse physical and mental health outcomes than their heterosexual peers suggesting unique needs for SGM older adults. Research also points to resiliency mechanisms that offset the impact of stressors on SGM older adults. The examination of these needs and resiliency mechanisms …
Trends In Injection Drug Use In Texas Treatment Facility Admissions, Cara Dahlhausen
Trends In Injection Drug Use In Texas Treatment Facility Admissions, Cara Dahlhausen
Dissertations and Theses (Open Access)
This is a serial cross-sectional secondary analysis of drug treatment admissions records from the TEDS-A from years 2013-2017. The prevalence of injected drug use was calculated for each year and analyzed across the five-year period using a chi-square test to determine the presence of significant change in injection drug use from 2013 to 2017. Prevalence of injection drug use also will be calculated for each year by drug type (heroin, methamphetamine, and cocaine), age, sex, ethnicity and race, and will be analyzed for trends using a chi-square test.
Consider Us: Analysis Of National Mammography Screening Recommendations On African American Women, Gayla M. Ferguson
Consider Us: Analysis Of National Mammography Screening Recommendations On African American Women, Gayla M. Ferguson
Dissertations and Theses (Open Access)
Breast cancer is the second most common cause of cancer related death in women in the United States with one in eight women expected to develop the disease in their lifetime. Unfortunately, breast cancer is the leading cause of cancer related death among African American women. African American women are four times more likely to die from breast cancer that Caucasian women. Mammography screenings are the most effective method of reducing breast cancer mortality in African American women. This study aimed to determine if the changes made to the mammography screening recommendations put forth by the U.S. Preventive Services Task …
The Role Of Dna Methylation In White Matter Hyperintensity Burden: An Integrative Approach, Yunju Yang
The Role Of Dna Methylation In White Matter Hyperintensity Burden: An Integrative Approach, Yunju Yang
Dissertations and Theses (Open Access)
Cerebral white matter hyperintensities (WMH) on MRI are an indicator of cerebral small vessel disease, a major risk factor for vascular dementia and stroke. DNA methylation may contribute to the molecular underpinnings of WMH, which are highly heritable. We performed a meta-analysis of 11 epigenome-wide association studies in 6,019 middle-aged to elderly subjects, who were free of dementia and stroke and were of African (AA) or European (EA) descent. In each study, association between WMH volume and each CpG was tested within ancestry using a linear mixed model, adjusted for age, sex, total intracranial volume, white blood cell count, technical …
Social Work Involvement In Hurricane Harvey Relief Efforts, Claire Crawford
Social Work Involvement In Hurricane Harvey Relief Efforts, Claire Crawford
Dissertations and Theses (Open Access)
Hurricane Harvey brought 33 trillion gallons of rainfall to Texas and Louisiana and damaged more than 100,000 homes in August 2017. Social workers worked during and after the storm to provide services to those affected. The primary research question guiding this dissertation was: What were social workers’ experiences as they were involved in relief efforts during and immediately after Hurricane Harvey? The study group comprised 39 participants (35 female, 4 male); of these, 19 were masters-level social workers who volunteered at shelters in Houston following Hurricane Harvey, 14 were masters-level social workers who worked at a pediatric children’s hospital on …