Public Health Commons^™

Characterization And Control Of Occupational Exposure To Nanoparticles And Ultrafine Particles, Maximilien Debia, Charles Beaudry, Scott Weichenthal, Robert Tardif, André Dufresne

Rapports de recherche scientifique

Cliquez ici pour la version française de ce rapport

De nombreux travailleurs sont exposés à un ensemble de particules présentes à une échelle nanométrique. En hygiène du travail, il est commun de différencier les nanoparticules (NP) manufacturées, des particules ultrafines (PUF) qui proviennent de sources naturelles, humaine ou industrielle. Étant donné qu’il existe des lacunes importantes dans les démarches usuelles d'évaluation du risque à ces particules, l’objectif de cette recherche était d’évaluer les expositions professionnelles à des PUF et des NP. L’objectif secondaire était de tester globalement les capacités d’évaluation des expositions professionnelles aux NP et aux PUF dans un …

Amélioration Des Services Et Des Soins De Fin De Vie : Mieux Comprendre Les Effets Sur La Satisfaction Et Le Bien-Être Des Infirmières, Lise Fillion, Manon Truchon, Michel L'Heureux, Céline Gélinas, Marie Bellemare, Lyse Langlois, Jean-François Desbiens, Clémence Dallaire, Réjeanne Dupuis, Geneviève Roch, Marie Anik Robitaille

Rapports de recherche scientifique

Click here for the English version of this report

Avec le vieillissement de la population, la demande de soins palliatifs (SP) de fin de vie est croissante et les services de santé s’organisent. Au Québec, les SP de fin de vie sont surtout intégrés aux soins curatifs et on retrouve peu d’unités de SP spécialisées. Ces soins s'incorporent alors aux soins à domicile ou à ceux dispensés dans les unités de soins spécialisés en centre hospitalier, comme l’oncologie et les soins critiques. Les infirmières y jouent un rôle majeur. Selon ce choix organisationnel, les infirmières vivent un contexte de travail …

Strengths And Limitations Of Qualitative Approaches To Research In Occupational Health Psychology, Irvin Sam Schonfeld, Joseph J. Mazzola

Publications and Research

Like all research methods, qualitative methods have strengths and limitations. This chapter describes seven strengths and five limitations. With an understanding of their strengths and limitations and how to minimize and/or balance them, occupational health psychology (OHP) researchers can benefit from qualitative methods. It is important to understand that qualitative findings do not establish generalizable cause-effect relations. However, qualitative methods can help an OHP researcher develop a theory of causality and derive hypotheses related to the theory and, thus, motivate quantitatively organized research designed to test the hypotheses. The challenge for the OHP researcher is to be mindful of what …

Worker Evaluation Of Manual Dexterity, Tactile Sensitivity And Comfort When Wearing Needlestick-Resistant Gloves: Exploratory Study, Chantal Gauvin, Jaime Lara

Rapports de recherche scientifique

Cliquez ici pour la version française de ce rapport

Les policiers, les agents de la paix en services correctionnels, les éboueurs et les cols bleus horticulteurs sont très préoccupés par les risques de piqûre avec des aiguilles hypodermiques. Ces piqûres les exposent à du sang potentiellement contaminé et au risque de contracter des maladies transmissibles par le sang telles que le VIH et les hépatites B et C. Ces travailleurs doivent porter des gants résistant aux piqûres d’aiguilles tout en conservant une dextérité manuelle et une sensibilité tactile adéquates. Le choix de gants de protection dont ils disposent est limité, …

Primary Care Physician Assistants In Nebraska, Soumitra S. Bhuyan, Marlene Deras, Tamara S. Ritsema, Michael J. Huckabee, Jim P. Stimpson

Reports: Center for Health Policy

No abstract provided.

Primary Care Nurse Practitioners In Nebraska, Soumitra S. Bhuyan, Marlene Deras, Mary E. Cramer, Janet Cuddigan, Jim P. Stimpson

Reports: Center for Health Policy

No abstract provided.

Center For Health Policy Inaugural Report, Jim P. Stimpson

Reports: Center for Health Policy

No abstract provided.

Male Sex Workers Who Sell Sex To Men Also Engage In Anal Intercourse With Women: Evidence From Mombasa, Kenya, Priya Mannava, Scott Geibel, Nzioki King’Ola, Marleen Temmerman, Stanley Luchters

Obstetrics and Gynaecology, East Africa

Objective: To investigate self-report of heterosexual anal intercourse among male sex workers who sell sex to men, and to identify the socio-demographic characteristics associated with practice of the behavior.

Design: Two cross-sectional surveys of male sex workers who sell sex to men in Mombasa, Kenya.

Methods: Male sex workers selling sex to men were invited to participate in surveys undertaken in 2006 and 2008. A structured questionnaire administered by trained interviewers was used to collect information on socio-demographic characteristics, sexual behaviors, HIV and STI knowledge, and health service usage. Data were analyzed through descriptive and inferential statistics. …

Diagnosis Of Schistosoma Mansoni Without The Stool: Comparison Of Three Diagnostic Tests To Detect Schiostosoma Mansoni Infection From Filtered Urine In Zambia, Nilanjan Lodh, James C. L. Mwansa, Mabel M. Mutengo, Clive J. Shiff

Clinical Lab Sciences Faculty Research and Publications

Diagnosis for intestinal Schistosoma mansoni lacks sensitivity and is arduous to conduct. The standard diagnostic tests, Kato-Katz (KK) and circulating cathodic antigen (CCA) both lack sensitivity and with KK, require obtaining, transporting, and examining fresh stool. We compared diagnostic efficacy of KK, CCA, and polymerase chain reaction (PCR) to detect S. mansoni infection (species-specific DNA) from 89 filtered urine samples collected in Zambia. The PCR was the strongest indicator of positive cases with sensitivity and specificity of 100% in comparison to CCA (67% and 60%) and KK (50% and 100%). High positive and negative predictive values (100%) were also indicative …

Mothers Who Formula Feed: Their Practices, Support Needs And Factors Influencing Their Infant Feeding Decision., Roslyn Tarrant, Margaret Sheridan-Pereira, Roberta A. Mccarthy, Katherine M. Younger, John M. Kearney

Articles

The majority of mothers in Ireland provide formula milk to their infants during the initial weeks postpartum; however, data are lacking on their formula feeding practices and support needs. This prospective Dublin-based observational study, which included 450 eligible mother-term infant pairs recruited and followed up to 6 months postpartum, aimed to advance our understanding of maternal formula feeding practices, their reasons for deciding to formula feed, sources of feeding information and perceived support needs; insights into infant formula milk consumption patterns in relation to current feeding guidelines are also provided. In summary, the vast majority of infants at 6 weeks …

Placental Corticotropin-Releasing Hormone Mediates The Association Between Prenatal Social Support And Postpartum Depression, Jennifer Hahn-Holbrook, Christine Dunkel Schetter, Chander Arora, Calvin J. Hobel

Psychology Faculty Articles and Research

Three decades of research point to both biological and psychological risk factors for postpartum depression, but very little research integrates the two. This study bridged this gap by testing whether prenatal social support predicted depressive symptoms at 8 weeks postpartum in a multiethnic sample of 210 women and whether the stress hormone placental corticotropinreleasing hormone (pCRH), measured at 19, 29, and 37 weeks’ gestation, mediated this relationship. We found that prenatal family support predicted significantly fewer depressive symptoms postpartum and more gradual increases in pCRH from 29 to 37 weeks’ gestation. Furthermore, steeper increases in pCRH during this same period …

Social And Behavioral Sti Risk Factors: Comparing A Two-Year Community College Setting To A Four-Year University Setting, Oswald M. Attin

Faculty Publications and Presentations

No abstract provided.

Biomarker Validation Of Recent Unprotected Sexual Intercourse In A Prospective Study Of Young Women Engaged In Sex Work In Phnom Penh, Cambodia, J L. Evans, Marie-Claude Couture, E S. Stein, N Sansothy, L Maher, K Page, Young Women’S Health Study Collaborative

Nursing and Health Professions Faculty Research and Publications

Summary—A study of female sex workers in Phnom Penh, Cambodia found self-reported condom use to be of questionable validity, particularly among amphetamine-type stimulant (ATS) users and those with multiple partners.

Background—Accurate measurement of unprotected sex is essential in HIV prevention research. Since 2001, the 100% Condom Use Program targeting female sex workers (FSW) has been a central element of the Cambodian National HIV/AIDS Strategy. We sought to assess the validity of self-reported condom use using the rapid prostate-specific antigen (PSA) test among Cambodian FSW.

Methods—From 2009 to 2010 we enrolled 183 FSW in Phnom Penh in a prospective study of …

Photothermal Desorption Of Toluene From Single Walled Carbon Nanotube And Activated Carbon Sorbents, Evan Lee Floyd

All ETDs from UAB

Millions of workers are occupationally exposed to volatile organic compounds (VOC) annually, requiring exposure assessments through air sampling. Reducing time to knowledge while maintaining adequate sensitivity and affordability is a constant struggle. Sorbent sampling is the preferred technique for VOC exposure assessments. Chemical desorption of sorbents is the most common desorption technique, but sensitivity is limited due to the small injection fraction. Thermal desorption has excellent sensitivity, but provides only one analysis per sample and is cost prohibitive. The goal of this dissertation was to develop a desorption technique that bridges the sensitivity gap between chemical desorption (0.1%) and thermal …

The Relationship Of Maternal Depressive Symptoms Among First Time Adolescent And Adult Mothers And Their Safe Parenting Practices And Child Injuries, Angela Warren Baumann

All ETDs from UAB

Maternal depressive symptoms have been associated with deficits in parenting practices that protect children from injuries; however, few studies have been conducted to examine these relationships. Using data from a multisite longitudinal study of 252 first-time mothers, the relationships between the use of safe parenting practices and maternal depressive symptoms was examined, taking into account mother's resources (as defined by age and education level) and race at five time points during the first 3 years of the child's life. Depressive symptoms were assessed using the Beck Depression Inventory. Measures of maternal depressive symptoms, safe parenting practices (use of car seat, …

Harnessing The Power Of The Grassroots To Conduct Public Health Research In Sub-Saharan Africa: A Case Study From Western Kenya In The Adaptation Of Community-Based Participatory Research (Cbpr) Approaches, Allan Kamanda, Lonnie Embleton, David Ayuku, Lukoye Atwoli, Peter Gisore, Samuel Ayaya, Rachel Vreeman, Paula Braitstein

Internal Medicine, East Africa

Background: Community-based participatory research (CBPR) is a collaborative approach to research that involves the equitable participation of those affected by an issue. As the field of global public health grows, the potential of CBPR to build capacity and to engage communities in identification of problems and development and implementation of solutions in sub-Saharan Africa has yet to be fully tapped. The Orphaned and Separated Children’s Assessments Related to their Health and Well-Being (OSCAR) project is a longitudinal cohort of orphaned and non-orphaned children in Kenya. This paper will describe how CBPR approaches and principles can be incorporated and adapted into …

Gender Norms, Sexual And Reproductive Behaviors And Acceptability Of Male Circumcision Among Men In Western Jamaica, Melonie Walcott

All ETDs from UAB

This dissertation consists of three papers designed to assess the association between gender norms and men's sexual behaviors, reproductive practices, and acceptability of male circumcision (MC). The data for this study were obtained from a cross-sectional, interviewer-administered questionnaire survey of 549 men aged 19-54 years, conducted in the western region of Jamaica between June to August 2011. In the first paper we found increased odds of reporting multiple sex partners among men with moderate (AOR =2.2; 95% CI=1.4 - 3.5) and high (AOR = 4.4; 95% CI =2.2 - 8.8) support for inequitable gender norms. Similarly, men with moderate (AOR= …

The Relationship Of Religiosity, Spirituality And High-Risk, Tommie Lee Watkins

All ETDs from UAB

Religion and spirituality are important concepts for many Black MSM. While many social factors may be associated with the increasing disparity of HIV infection among Black MSM, high levels of religiosity and spirituality prevalent in Black culture may be correlated with high risk behavior among Black MSM and may help explain this population's increasing incidence of HIV infection. Research supports a relationship between religiosity, spirituality, and high risk behavior among populations. Some research has suggested that religiosity and spirituality among Black MSM may be correlated but are multifaceted constructs. Conclusions suggest that among Black MSM these constructs account for certain …

Apparent Change In Obesity-Mortality Associations: Methodological Issues In Survival Analyses With Censored Outcomes, Tapan Shirish Mehta

All ETDs from UAB

Analyses of the National Health and Nutrition Examination Survey (NHANES) have suggested that the mortality rate (MR) associated with obesity has decreased over calendar time. However, there has been conflicting evidence about the apparent change in the obesity-MR over calendar time. This dissertation investigates some of the empirical and methodological issues involved in assessing the longitudinal change in the obesity-mortality associations. In the first manuscript, Obesity and Mortality: Are the Risks Declining? Evidence from Multiple Prospective Studies in the U.S., a multiple longitudinal design is proposed and implemented to evaluate whether the obesity-mortality associations have declined over calendar time after …

High Density Genotyping For Immunogenetic Polymorphisms Associated With Transmission And Control Of Hiv-1 Infection In Zambian Heterosexual Serodiscordant Couples, Heather Prentice

All ETDs from UAB

Understanding host genetic correlates of HIV-1 outcomes in sub-Saharan African populations is of continued importance due to the disproportionate disease burden in this population. We sought to identify genetic variants associated with HIV-1 acquisition in a sample of 439 initially seronegative individuals enrolled in the Zambia-Emory HIV Research Project, as well as novel variants associated with viral load (VL) in a sample of 172 seroconverters (SCs) with an estimated date of infection and 449 seroprevalent individuals (SPs). We were unable to detect any statistically significant associations in our analysis of HIV-1 acquisition, though one signal in the HLA-DOA gene associated …

A Study Of Multi-Group And Multivariate Tests Of Equivalence With Application To Microarray And, Celeste Yang

All ETDs from UAB

In this dissertation we have adapted two multi-group equivalence tests to be performed on high-dimensional data. The F and Range test for multi-group equivalence were applied to the public microarray dataset GSE11291 to detect equivalently expressed genes. They were also evaluated in terms of type I error and power using single gene simulation and a high-dimension simulation. The F test has higher power than the Range for the same simulated data and parameter settings, in the single gene simulations. The power of the two tests is similar in the high-dimension simulation. The multi-group equivalence tests that were applied to the …

Predictors Of Colorectal Cancer Surveillance Among Survivors Of Childhood Cancer At High Risk For Subsequent Colorectal Malignancies, Casey Leigh Daniel

All ETDs from UAB

Childhood cancer survivors who were treated with ionizing radiation are at a significantly higher risk of developing a subsequent colorectal cancer (CRC) compared to the general population. The Children's Oncology Group (COG) recommends that children and adolescents who were treated with radiation therapy of 30 Gy or more to the abdomen, pelvis, or spine undergo a colonoscopy every five years, beginning at age 35 or 10 years after completion of radiation. Despite these recommendations, research indicates low adherence rates to CRC screening among high-risk childhood cancer survivors. Determining the predictors of attending subsequent colorectal cancer surveillance among individuals in this …

Tuberculosis Screening And Treatment Outcomes In Zambia, Jennifer Harris

All ETDs from UAB

Zambia is a country in Southern Africa with dual HIV and tuberculosis (TB) epidemics. The annual TB incidence is 444/100,000 and 64% of TB patients are co-infected with HIV. Accurate screening and diagnosis for TB is challenging since it often presents with non-specific signs and symptoms and the available diagnostics are neither sensitive nor specific. Papers one and two of this dissertation focus on the derivation of TB screening rules to more accurately identify high-risk persons in two Zambian populations: inmates and HIV clinic patients. Among inmates, being HIV positive and having a body mass index < 18.5 most strongly predicted HIV disease. Chest pain was also strongly associated, but this may have been a chance finding. For HIV clinic patients, we developed four rules with increasing complexity of clinical tools used for screening. Sensitivity was very high with all rules; the addition of vital signs and pulmonary exam findings to symptom-based screening rules greatly increased the rules' specificity. Furthermore, a rule incorporating pulmonary exam findings performed similarly to a rule with chest radiography suggesting pulmonary exam may be an inexpensive alternative to x-ray. The final paper looks at TB incidence, mortality and intermediate clinical outcomes in a cohort of HIV clinic patients with and without TB during their first 12 months of HIV care. TB incidence was very high during this time period, despite thorough screening at baseline. Mortality was elevated in both culture-confirmed and clinically-diagnosed TB patients, with much of the elevated risk concentrated in TB patients who had culture-confirmed but clinically-unapparent disease. Looking at intermediate outcomes among patients who started anti-retroviral therapy, the change in CD4 cell count was similar for patients with and without TB. TB patients started off with lower mean body weights and hemoglobin concentrations but also showed greater increases over 12 months, thus `catching up' with the TB-negative patients. If these findings are replicable in other cohorts they could have substantial impact on TB screening and diagnostic procedures in resource limited, high burden countries like Zambia.

Review Of Ear Health And Hearing Among Indigenous Peoples, Jane Burns, Neil Thomson

Research outputs pre 2011

This review of ear health and hearing among Indigenous Australians has been prepared by the Australian Indigenous HealthInfoNet as a part of our contributions to ‘closing the gap’ in health between Indigenous people1 and other Australians. The aim is to make relevant, high quality knowledge and information easily accessible to policy makers, health service providers, program managers, clinicians, researchers and the general community. The review is an example of the HealthInfoNet’s translational research, defined as ‘comprehensive applied research that strives to translate the available knowledge and render it operational’

The main purpose of the review, which follows the model of …

Plain Language Review Of Physical Activity Among Indigenous Australians, Caitlin Gray

Research outputs 2014 to 2021

This review provides information on physical activity among Aboriginal and Torres Strait Islander people. It is a valuable overview for people working in the area and aims to assists in the development/refinement of policies, strategies and programs. This review of physical activity among Aboriginal and Torres Strait Islander Australians has been prepared by the Australian Indigenous HealthInfoNet as a part of our contributions to 'closing the gap' in health between Aboriginal and Torres Strait Islander people and other Australians by making relevant, high quality knowledge and information easily accessible to policy makers, health service providers, program managers, clinicians, researchers …

Regulating Small Firm Safety Via The Supply Chain: Implications Of The Australian Work Health And Safety Act, Susanne Bahn, John Kitching

Research outputs 2013

The impact of the Work Health and Safety Act (WHS Act) highlights subcontractor working practices. By motivating contractors to influence subcontractor working practices, regulation influences the latter’s health and safety performance. Indirect routes of regulatory influence, working via supply chains, might prove to be a more effective means of improving small firm health and safety than placing obligations upon subcontractors directly, and limit contractor exposure to their new liability for subcontractor breach.

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 …

Emerging Technologies: Webcams And Crowd-Sourcing To Identify Active Transportation, J. Aaron Hipp, Deepti Adlakha, Bill Chang, Amy A. Eyler, Robert B. Pless

Brown School Faculty Publications

Over 25% of adults in the US are obese, contributing to 300,000 deaths and costing the US healthcare system $147 billion annually. Federal governments to local non-profit agencies have instituted policy and built environment (BE) changes in effort to reduce obesity and increase physical activity (PA). A challenge in evaluating the success of policy and BE change is the capacity to capture a priori PA behaviors and the ability to eliminate researcher and respondent bias in assessing post-change environments. A novel transdisciplinary collaboration between public health and computer science is presented here with the goal of automatically analyzing existing public …

Geographical Proximity To Health Facilities And Breast Cancer Morbidity And Mortality Among Women In South Carolina's Best Chance Network, Leepao Khang

Theses and Dissertations

Death rates for breast cancer have steadily decreased in women due to early detection, such as mammography, and improved treatments. Despite the benefit of mammography, many women are not up-to-date on screening and do not receive timely follow-up after abnormal mammogram finding. Breast cancer is a major contributor to morbidity and mortality among women in South Carolina. To reduce the disproportionate burden of breast cancer and cervical cancer among women in South Carolina, the South Carolina Best Chance Network (BCN) was established to provide service delivery and ensures timely and complete diagnostic follow-up and treatment initiation for underserved women.

The …

Association Between Breastfeeding And Infant Growth: A Probable Reverse Causality, Shraddha Vyas

Theses and Dissertations

Background: Much conflicting results exist in the association between breastfeeding and infant growth. One of these confusions is related to the temporal sequence between breastfeeding practice and infant growth.

Objective: This study aimed at examining the association and investigating a possible reverse causality between breastfeeding and infant growth.

Method: Infant Feeding Practices Survey II, a national longitudinal database with repeated measurements, following women prenatally and until one year postpartum (N=2914) was used. Mixed linear model assessed the impact of breastfeeding from the 2nd, 4th, 6th and 9th months on infant growth at the 3rd, 5th, 7th and 12th months, respectively. …