Mental and Social Health Commons^™

Size And Power Of Tests Of Hypotheses On Survival Parameters From The Lindley Distribution With Covariates, Macaulay Okwuokenye, Karl E. Peace

Biostatistics: Faculty Publications

The Lindley model is considered as an alternative model facilitating analyses of time-to-event data with covariates. Covariate information is incorporated using the Cox’s proportional hazard model with the Lindley model at the timedependent component. Simulation studies are performed to assess the size and power of tests of hypotheses on parameters arising from maximum likelihood estimators of parameters in the Lindley model. Results are contrasted with that arising from Cox’s partial maximum likelihood estimator. The Linley model is used to analyze a publicly available data set and contrasted with other models.

Joint Modeling Of Treatment Effect On Time-To-Event Endpoint And Safety Covariates In Control Clinical Trial Data Analysis, Kao-Tai Tsai, Karl E. Peace

Biostatistics: Faculty Publications

It is a common practice to perform a separate analysis of efficacy and safety data from clinical trials to estimate the benefit and risk aspects of a particular treatment regimen. However, by doing so, one is likely to miss the complete picture of the treatment effect given that these data are generated from the same study subjects and therefore most likely will be correlated. Therefore, it is desirable to analyze these data jointly to obtain a more complete profile of the treatment regimen. A substantial number of statistical methodologies have been proposed in the last decade to model the time-to-event …

Unsilencing The Voice Within: Expressive Writing As A Therapeutic Tool, Karla L. Sapp

National Youth Advocacy & Resilience Conference

Written words are a very powerful tool that is used to facilitate self-healing, awareness, and growth through the communication of one’s deepest thoughts, emotions, and desires. The purpose of this poster session is to provide mental health providers (community, school, criminal justice) with an overview of expressive writing, forms of expressive writing that can be utilized, and implications for professional practice with At-Risk Youth.

Providing The Teen Outreach Program In School Settings, Phillippia Faust, Tina Thomas, Greg Johnson

National Youth Advocacy & Resilience Conference

MTCI will share the experiences of providing the Teen Outreach Program (TOP). The challenges of providing a year long program within school systems where most students change classes each semester will be addressed, along with effective strategies. The presenters will offer instruction regarding successful program activities for the youth service professional working with high school populations.

Inequalities And Approximations Of Weighted Distributions By Lindley Reliability Measures, And The Lindley-Cox Model With Applications, Broderick O. Oluyede, Macaulay Okwuokenye, Karl E. Peace

Biostatistics: Faculty Publications

In this note, stochastic comparisons and results for weighted and Lindley models are presented. Approximation of weighted distributions via Lindley distribution in the class of increasing failure rate (IFR) and decreasing failure rate (DFR) weighted distributions with monotone weight functions are obtained including approximations via the length-biased Lindley distribution. Some useful bounds and moment-type inequality for weighted life distributions and applications are presented. Incorporation of covariates into Lindley model is considered and an application to illustrate the usefulness and applicability of the proposed Lindley-Cox model is given.

How Long Does That 10-Year Smoke Alarm Really Last? A Survival Analysis Of Smoke Alarms Installed Through The Saife Program In Rural Georgia, Haresh Rochani, Valamar Malika Reagon, Steve Davidson

Biostatistics: Faculty Publications

Background: When functioning properly, a smoke alarm alerts individuals in the residence that smoke is near the alarm. Smoke alarms serve as a primary prevention mechanism to abate morbidity and mortality related to residential fires.

Methods: Using survival analysis, we examined the length of operability of 10-year lithium battery powered smoke alarms installed through the Georgia Public Health/CDC SAIFE program in Moultrie, Georgia. Attempts were made to reach all homes in the city limits. The premise of the study is that geographic clusters (in the case of Moultrie city quadrants) are associated with decreases in the length of time that …

Differences In Health Literacy Knowledge And Experiences Among Senior Nursing Students, Sharon S. Williamson, Joanne Chopak-Foss

Community Health: Faculty Publications

Background: Low health literacy has been identified as a significant public health problem. Also, higher expenditures due to longer hospital stays have been reported for persons with low health literacy. Nurses can assist patients with low health literacy to reduce their hospital stays and increase compliance with discharge instructions.

Methods: A quantitative, descriptive research design was employed to assess knowledge and experiences of 192 senior nursing students. These students were administered the Health Literacy Knowledge and Experiences Survey (HL-KES), a 2- part survey that included assessment of knowledge about health literacy and experience in working with populations of …

A More Efficient Nonparametric Test Of Symmetry Based On Overlapping Coefficient, Hani M. Samawi, Robert L. Vogel

Biostatistics: Faculty Publications

In this paper we provide a more efficient nonparametric test of symmetry based on the empirical overlap coefficient using kernel density estimation applied to an extreme order statistics, namely extreme ranked set sampling. Our simulation investigation reveals that our proposed test of symmetry is at least as powerful as currently available tests of symmetry. Intensive simulation is conducted to examine the power of the proposed test. An illustration is provided using cardiac output and body weight of neonates in a neonatal intensive care unit.

Overview Of Inference About Roc Curve In Medical Diagnosis, Jingjing Yin

Biostatistics: Faculty Publications

Medical diagnosis aims to identify diseased individuals through the evaluation of the measurements of some biomarkers by performing a diagnostic test based on some biomarker measurements. Biomarkers are measured on either discrete or continuous scale and continuous biomarkers are utilized more often in medical practice. This article introduces the most popular tool for evaluating continuous biomarkers: the Receiver Operating Characteristic (ROC) curve.

Lung Flute Improves Symptoms And Health Status In Copd With Chronic Bronchitis: A 26 Week Randomized Controlled Trial, Sanjay Sethi, Jingjing Yin, Pamela K. Anderson

Biostatistics: Faculty Publications

Background: Chronic obstructive pulmonary disease (COPD) is characterized by mucus hypersecretion that contributes to disease related morbidity and is associated with increased mortality. The Lung Flute® is a new respiratory device that produces a low frequency acoustic wave with moderately vigorous exhalation to increase mucus clearance. We hypothesized that the Lung Flute, used on a twice daily basis will provide clinical benefit to patients with COPD with chronic bronchitis.

Methods: We performed a 26 week randomized, non-intervention controlled, single center, open label trial in 69 patients with COPD and Chronic Bronchitis. The primary endpoint was change in respiratory symptoms measured …

The Capus Project-Innovative Solutions For Hiv/Aids Linkage To Care, Melanie Gwynn, Jamila Ealey, Kate Racoff Musgrove

9th Annual Rural HIV Research & Training Conference (2014-2019) (Archived)

“The CAPUS Project-Innovative Solutions for HIV/AIDS Linkage to Care”

Objectives: 1) Expand knowledge of the current linkage to care landscape within Georgia; 2) Identify essential components of the Resource Hub to enhance linkage to care efforts throughout Georgia; and 3)Promote effective use of the Resource Hub to facilitate HIV/AIDS linkage to care within highly impacted communities

Little Emperors And An Army Of Orphans: The Government’S Control Over The Idea Of Family In An Overpopulated World, Corinna L. Miller

Honors College Theses

This research elaborates on the connection between governmental policies for population control and the psychological effects felt by its citizens. Governments enact laws to form and shape their country, but when plans to benefit society as a whole overspill into the personal rights of families, there can be unforeseen consequences that span across cultural, economic and physiological wellbeing. These side effects can have debilitating outcomes for countless generations to come, even after the policy has been abolished. In an age where exponential population growth is a severe problem, this study attempts to understand what happens when governmental policies influence the …

A Novel Three Serum Phospholipid Panel Differentiates Normal Individuals From Those With Prostate Cancer, Nima Patel, Robert L. Vogel, Kumar Chandra-Kuntal, Wayne Glasgow, Uddhav Kelavkar

Biostatistics: Faculty Publications

Background: The results of prostate specific antigen (PSA) and digital rectal examination (DRE) screenings lead to both under and over treatment of prostate cancer (PCa). As such, there is an urgent need for the identification and evaluation of new markers for early diagnosis and disease prognosis. Studies have shown a link between PCa, lipids and lipid metabolism. Therefore, the aim of this study was to examine the concentrations and distribution of serum lipids in patients with PCa as compared with serum from controls.

Method: Using Electrospray ionization mass spectrometry (ESI-MS/MS) lipid profiling, we analyzed serum phospholipids from age-matched subjects who …

A Phylogenetic Model For Understanding The Effect Of Gene Duplication On Cancer Progression, Qin Ma, Jaxk H. Reeves, David A. Liberles, Lili Yu, Zheng Chang, Jing Zhao, Juan Cui, Ying Xu, Liang Liu

Biostatistics: Faculty Publications

As biotechnology advances rapidly, a tremendous amount of cancer genetic data has become available, providing an unprecedented opportunity for understanding the genetic mechanisms of cancer. To understand the effects of duplications and deletions on cancer progression, two genomes (normal and tumor) were sequenced from each of five stomach cancer patients in different stages (I, II, III and IV). We developed a phylogenetic model for analyzing stomach cancer data. The model assumes that duplication and deletion occur in accordance with a continuous time Markov Chain along the branches of a phylogenetic tree attached with five extended branches leading to the tumor …

Causality Is Logically Definable-Toward An Equilibrium-Based Computing Paradigm Of Quantum Agents And Quantum Intelligence (Qaqi), Wen-Ran Zhang, Karl E. Peace

Biostatistics: Faculty Publications

A survey on agents, causality and intelligence is presented and an equilibrium-based computing paradigm of quantum agents and quantum intelligence (QAQI) is proposed. In the survey, Aristotle’s causality principle and its historical extensions by David Hume, Bertrand Russell, Lotfi Zadeh, Donald Rubin, Judea Pearl, Niels Bohr, Albert Einstein, David Bohm, and the causal set initiative are reviewed; bipolar dynamic logic (BDL) is introduced as a causal logic for bipolar inductive and deductive reasoning; bipolar quantum linear algebra (BQLA) is introduced as a causal algebra for quantum agent interaction and formation. Despite the widely held view that causality is undefinable with …

Revealing The Ubiquitous Effects Of Quantum Entanglement-Toward A Notion Of God Logic, Wen-Ran Zhang, Karl E. Peace

Biostatistics: Faculty Publications

Following Spinoza-Einstein’s interpretation of God or nature, the notion “God Logic” is proposed. This notion is to serve as an elicitation for a consistent set of necessary criteria for: 1) developing the logical foundation of quantum gravity as envisaged by Einstein, 2) revealing the ubiquitous effects of quantum entanglement as suggested by Roger Penrose, and 3) programming the universe as proposed by Seth Lloyd. An evolving set of eleven criteria is proposed for the notion. The possibility of inventing such a logical system is analyzed. A supersymmetrical candidate logic of negative-positive energy dynamic equilibrium is introduced and assessed against the …

Analysis Of Subgroup Data Of Clinical Trials, Kao-Tai Tsai, Karl E. Peace

Biostatistics: Faculty Publications

Large randomized controlled clinical trials are the gold standard to evaluate and compare the effects of treatments. It is common practice for investigators to explore and even attempt to compare treatments, beyond the first round of primary analyses, for various subsets of the study populations based on scientific or clinical interests to take advantage of the potentially rich information contained in the clinical database. Although subjects are randomized to treatment groups in clinical trials, this does not imply the same degree of randomization among sub-populations of the original trials. Therefore, comparisons of treatments in sub-populations may not produce fair and …

Daily Walking And Life Expectancy Of Elderly People In The Iowa 65+ Rural Health Study, Hani M. Samawi

Biostatistics: Faculty Publications

The purpose of this paper is to investigate the hypothesis that outdoor daily walking, as an exercise, has an effect on the rate of mortality among those elderly people in the Iowa 65+ Rural Health Study (RHS). RHS is a prospective longitudinal cohort study of 8 years follow-up from 1981 to 1989. It consists of a random sample of 3,673 individuals (1,420 men and 2,253 women) aged 65 or older living in Washington and Iowa counties of the State of Iowa. Our analysis was conducted only on those non-institutional individuals who could without any help walk across a small room; …

Tailoring A Physical Activity Promotion Program For A Rural Area, Gavin T. Colquitt, Moya L. Alfonso, Ashley Walker, Vanessa Dunmore

Community Health: Faculty Presentations (1993-2018)

Background/Purpose: VERBTM Summer Scorecard (VSS) has used social marketing to successfully promote physical activity for urban and suburban youth. The purpose of this study was to adapt the program to meet the needs of a minority, rural population.

Method: Qualitative marketing research methods including focus groups were used to gather data from parents (N = 12) and their children (N =12) in April 2012. A structured, open-ended focus group guide was developed specific to parents and youth and based on the social marketing framework. Marketing topics covered included Product, Price, Place and Promotion. Attention was given to testing two previously …

Using Photovoice In Pete Programs To Initiate Positive Change, Gavin T. Colquitt, Jody Langdon, Tony A. Pritchard, Starla Mccollum

Community Health: Faculty Presentations (1993-2018)

The purpose of this presentation will be to provide teacher educators with an overview of the Photovoice methodology and its potential utility in curricular change. The National Association for Sport and Physical Education’s ([NASPE], 2008) PETE standards state educators should allow diversity to drive instructional related decision-making. Photovoice, a participatory action research methodology, is a tool teacher educators can use to be responsive to the continuously changing contexts of public schools.

The Influence Of Federally Qualified Health Centers On Selected Ambulatory Care Sensitive Conditions In Georgia, Mary W. King Mathis

College of Graduate Studies: Theses & Dissertations

Author's Abstract: Ambulatory care sensitive conditions (ACSCs) resulting in hospitalizations make up a substantial proportion of health care costs, but should not because these conditions are manageable in quality primary care settings that promote prevention in an effort to avoid exacerbations that can lead to hospitalization. The use of emergency departments (EDs) as a safety net for ACSCs has increased the burden on hospitals because patients who do not regularly utilize primary care often resort to the use of EDs for treatment of ACSCs. Federally qualified health centers (FQHCs) are designed to provide consistent, high-quality primary care to all people, …

Motivation, Need Support And Need Satisfaction In Youth Soccer Players, Erica Lippitt

College of Graduate Studies: Theses & Dissertations

Author's abstract: Physical activity levels and obesity rates vary greatly across ethnic groups in the United States (CDC, 2011). One popular way to increase physical activity levels in youth is through youth sport participation, which may be influenced by athlete motivation. Numerous studies have determined motivation levels in youth sport participants, but very little done in comparing levels across different ethnic groups. Identifying differences in motivation levels based on ethnicity can allow coaches and sport administrators to adjust practices and program setups to increase participation and meet needs of player competence. The purpose of the study was to determine if …

Ethics Of Clear Health Communication: Applying The Clean Look Approach To Communicate Biobanking Information For Cancer Research, Alexis Koskan, Mariana Arevalo, Gwen Quinn, Shalwea Noel-Thomas, John S. Luque, Kristen Wells, Cathy Meade, Clement K. Gwede

Community Health: Faculty Publications

Cancer innovations, such as biobanking technologies, are continuously evolving to improve our understanding and knowledge about cancer prevention and treatment modalities. However, the public receives little communication about biobanking and is often unaware about this innovation until asked to donate biospecimens. It is the researchers’ ethical duty to provide clear communications about biobanking and biospecimen research. Such information allows the public to understand biobanking processes and facilitates informed decision making about biospecimen donation. The aims of this paper are 1) to examine the importance of clear communication as an ethical imperative when conveying information about cancer innovations and 2) to …

Creating A Patient Navigation Model To Address Cervical Cancer Disparities In A Rural Hispanic Farmworker Community, Kristen Wells, Maria Rivera, Sara Proctor, Gloria Arroyo, Shalanda A. Bynum, Gwendolyn Quinn, John S. Luque, Marlene Rivera, Dinorah Martinez-Tyson, Cathy Meade

Community Health: Faculty Publications

This report describes the implementation of a pilot patient navigation (PN) program created to address cervical cancer disparities in a predominantly Hispanic agricultural community. Since November 2009, a patient navigator has provided services to patients of Catholic Mobile Medical Services (CMMS). The PN program has resulted in the need for additional clinic sessions to accommodate the demand for preventive care at CMMS.

Formative Research On Hpv Vaccine Acceptability With Latina Farmworkers, John S. Luque, Heide Castañeda, Dinorah Martinez Tyson, Natalia Vargas, Meade

Community Health: Faculty Publications

The purpose of this study was to identify the barriers and benefits to human papillomavirus (HPV) vaccination in a low-income, Latina farmworker population in central Florida. This study reports on formative qualitative research conducted on perceptions of benefits, barriers, costs, place, and promotion related to the HPV vaccine from surveys and interviews with a sample of 46 low-income, Latina farm workers and 19 health care workers serving this population. It was found that Latina farmworkers hold many misperceptions about the HPV vaccine and the potential links between HPV infection and cervical cancer. In addition, it was observed that HPV vaccination …

Formative Research On Perceptions Of Biobanking: What Community Members Think, John S. Luque, Gwendolyn P. Quinn, Francisco A. Montel-Ishino, Mariana Arevalo, Shalanda A. Bynum, Shalewa Noel-Thomas, Kristen J. Wells, Clement K. Gwede, Cathy D. Meade, Tampa Bay Community Cancer Network Partners

Community Health: Faculty Publications

Preparing healthy community members with timely communications prior to engaging them in a request to donate biospecimens promises to improve the experience of biobanking participation. To this end, a qualitative study was conducted to assess community member knowledge, attitudes, beliefs, and informational needs about cancer-related biospecimen collection in a large metropolitan area in southwest Florida. The study utilized purposive sampling techniques to recruit a total of 95 participants to participate in 12 focus groups, segmented by race/ethnicity and language preference (mixed race, African American only, and Spanish speaking) and age (18–29, 30–54, and 55 and older). Focus group interviews were …

Refinement Of An Educational Toolkit To Promote Cervical Cancer Screening Among Hispanic Farmworker Women In Southeast Georgia, Lisa C. Watson-Johnson, Jigar Bhagatwala, Claudia Reyes-Garcia, Andrea Hinojosa, Mondi Mason, Cathy Meade, John S. Luque

Community Health: Faculty Publications

Cervical cancer incidence and mortality continue to affect Hispanic women in the U.S. disproportionately. Our project sought to refine a cervical cancer intervention designed for use by community health workers, or promotoras, in rural southern Georgia. We collaborated with Hispanicpromotoras to refine a Spanish language educational flipchart featuring cervical cancer topic areas for use in screening promotion.

Case Study In Optimal Dosing In Duodenal Ulcer, Karl E. Peace

Biostatistics: Faculty Publications

Georgia Southern University faculty member Karl E. Peace authored "Case Study in Optimal Dosing in Duodenal Eulcer" in Peptic Ulcer Disease.

A Bayesian Model For Gene Family Evolution, Liang Liu, Lili Yu, Venugopal Kalavacharla, Zhanji Liu

Biostatistics: Faculty Publications

Background

A birth and death process is frequently used for modeling the size of a gene family that may vary along the branches of a phylogenetic tree. Under the birth and death model, maximum likelihood methods have been developed to estimate the birth and death rate and the sizes of ancient gene families (numbers of gene copies at the internodes of the phylogenetic tree). This paper aims to provide a Bayesian approach for estimating parameters in the birth and death model.

Results

We develop a Bayesian approach for estimating the birth and death rate and other parameters in the birth …

The Believe In All Your Possibilities Campaign: Updating A Social Marketing Campaign On A Shoe String Budget, Moya L. Alfonso, H. Woodcum, Sherri Reynolds, John S. Luque

Community Health: Faculty Presentations (1993-2018)

The purpose of this presentation is to provide participants with an understanding of how to revamp or refresh a brand on a limited budget using a case study approach. The ‘Believe in All Your Possibilities’ community-based prevention marketing campaign, which was targeted at reducing alcohol and tobacco use among middle school youth, was the result of a long term school-community-university partnership in Southeast Florida. This alcohol campaign has been continuously implemented for eight years. Encouraging evaluation results combined with recently acquired alcohol prevention funding served as the impetus for conducting research to determine if ‘Believe’: a) was still relevant to …