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Full-Text Articles in Medicine and Health Sciences

Gender In The Time Of Covid-19: Evaluating National Leadership And Covid-19 Fatalities, Leah C. Windsor, Gina Yannitell Reinhardt, Alistair J. Windsor, Robert Ostergard, Susan Allen, Courtney Burns, Jarod Giger, Reed Wood Dec 2020

Gender In The Time Of Covid-19: Evaluating National Leadership And Covid-19 Fatalities, Leah C. Windsor, Gina Yannitell Reinhardt, Alistair J. Windsor, Robert Ostergard, Susan Allen, Courtney Burns, Jarod Giger, Reed Wood

Social Work Faculty Publications

In this paper we explore whether countries led by women have fared better during the COVID-19 pandemic than those led by men. Media and public health officials have lauded the perceived gender-related influence on policies and strategies for reducing the deleterious effects of the pandemic. We examine this proposition by analyzing COVID-19-related deaths globally across countries led by men and women. While we find some limited support for lower reported fatality rates in countries led by women, they are not statistically significant. Country cultural values offer more substantive explanation for COVID-19 outcomes. We offer several potential explanations for the pervasive …


“We’Re, Like, The Most Unhealthy People In The Country”: Employing An Equity Lens To Reduce Barriers To Healthy Food Access In Rural Appalachia, Kathryn Cardarelli, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Natalie Jones, Janet Tietyen Mullins Dec 2020

“We’Re, Like, The Most Unhealthy People In The Country”: Employing An Equity Lens To Reduce Barriers To Healthy Food Access In Rural Appalachia, Kathryn Cardarelli, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Natalie Jones, Janet Tietyen Mullins

Dietetics and Human Nutrition Faculty Publications

Introduction

Obesity disproportionately affects rural communities, and Appalachia has some of the highest obesity rates in the nation. Successful policy, systems, and environmental (PSE) interventions to reduce obesity must reflect the circumstances of the population. We used a health equity lens to identify barriers and facilitators for healthy food access in Martin County, Kentucky, to design interventions responsive to social, cultural, and historical contexts.

Methods

We conducted 5 focus groups in Martin County, Kentucky, in fall 2019 to obtain perspectives on the local food system and gauge acceptability of PSE interventions. We used grounded theory to identify perceived barriers and …


Experimental Manipulations To Test Theory-Driven Mechanisms Of Cognitive Behavior Therapy, Matthew W. Southward, Shannon Sauer-Zavala Dec 2020

Experimental Manipulations To Test Theory-Driven Mechanisms Of Cognitive Behavior Therapy, Matthew W. Southward, Shannon Sauer-Zavala

Psychology Faculty Publications

Despite decades of randomized-controlled trials demonstrating the efficacy of cognitive-behavior therapy (CBT), the mechanisms by which CBT achieves its effects remain unclear. Here, we describe how one adaptive intervention, the sequential multiple assignment randomized trial (SMART), can be used to randomize patients at multiple decision points in treatment to draw stronger causal claims about mechanisms unfolding in the course of CBT. We illustrate this design using preliminary data and case examples from an ongoing SMART in which we are testing the role of aversive reactions to negative emotions as a hypothesized mechanism of change in the Unified Protocol. Finally, we …


Cellphone Laws And Teens' Calling While Driving: Analysis Of Repeated Cross-Sectional Surveys In 2013, 2015, 2017, And 2019, Li Li, Caitlin N. Pope, Rebecca R. Andridge, Julie K. Bower, Guoqing Hu, Motao Zhu Dec 2020

Cellphone Laws And Teens' Calling While Driving: Analysis Of Repeated Cross-Sectional Surveys In 2013, 2015, 2017, And 2019, Li Li, Caitlin N. Pope, Rebecca R. Andridge, Julie K. Bower, Guoqing Hu, Motao Zhu

Graduate Center for Gerontology Faculty Publications

BACKGROUND: Distracted driving among teens is a public health and safety concern. Most states in the U.S. have sought to restrict cellphone use while driving by enacting laws. This study examines the difference in prevalence of self-reported calling while driving (CWD) between states with different cellphone bans.

METHODS: Demographics and CWD data were extracted from state Youth Risk Behavior Surveys (YRBS) from 14 states in 2013, 2015, 2017, and 2019. The state YRBS is conducted every 2 years with a representative sample of 9th through 12th grade students attending public school. States were grouped by type of cellphone law(s): no …


Developing A Health Communication Campaign For Disposal Of Unused Opioid Medications, Kathleen L. Egan, Mark Wolfson, Kaylee M. Lukacena, Carina Mazariegos Zelaya, Monique S. Mcleary, Donald W. Helme Dec 2020

Developing A Health Communication Campaign For Disposal Of Unused Opioid Medications, Kathleen L. Egan, Mark Wolfson, Kaylee M. Lukacena, Carina Mazariegos Zelaya, Monique S. Mcleary, Donald W. Helme

Communication Faculty Publications

Introduction

Communities throughout the United States have implemented medicine disposal programs to prevent diversion of unused opioid analgesics from homes but a general lack of awareness may contribute to low rates of utilization. The objective of this study was to develop and test community-based campaign messages promoting appropriate disposal of unused opioids at disposal programs.

Methods

In Fall 2019, 491 residents (79% female, 97% White, mean age: 40 years) of five rural, Appalachian counties (3 in Kentucky and 2 in North Carolina) completed a web-based, experimental survey. Participants were randomly exposed to two of four messages and rated each message …


An Experimental Investigation Into Promoting Mental Health Service Use On Social Media: Effects Of Source And Comments, Zhaomeng Niu, Lun Hu, David C. Jeong, Jared Brickman, Jerod L. Stapleton Oct 2020

An Experimental Investigation Into Promoting Mental Health Service Use On Social Media: Effects Of Source And Comments, Zhaomeng Niu, Lun Hu, David C. Jeong, Jared Brickman, Jerod L. Stapleton

Health, Behavior & Society Faculty Publications

Mental health is an increasingly prevalent topic of public interest, but remains a complex area requiring focused research that must account for negative perceptions surrounding mental health issues. The current work explores the roles of social media information source credibility and valence of social media comments on health outcomes in such a mental health context. We used a 2 (message source: professional vs. layperson) × 3 (valence of comments: positive vs. negative vs. mixed) online experiment to examine the effects of source and valence of comments on trust, attitudes and intentions related to mental health information and services among 422 …


Measuring The Spread Of Covid-19 In Kentucky: Do We Have The Right Data?, Kenneth R. Troske, Paul A. Coomes Oct 2020

Measuring The Spread Of Covid-19 In Kentucky: Do We Have The Right Data?, Kenneth R. Troske, Paul A. Coomes

Institute for the Study of Free Enterprise Working Papers

We examine various measures of COVID-19 infections, hospitalizations and deaths, with an emphasis on data for Kentucky. We find that: Data on the number of new reported cases of the disease obtained from convenience samples (as opposed to representative random samples) is an inaccurate measure of the spread of the disease in the State. Using CDC data and national studies, it appears that there were ten times the number of infections in March than reported for Kentucky at the time and by September the State is still capturing only one out of two people infected.

A better measure of new …


Preterm Birth Prevention In Appalachian Kentucky: Understanding Barriers And Facilitators Related To Transvaginal Ultrasound Cervical Length Surveillance Among Prenatal Care Providers, Anna Hansen, Mairead E. Moloney, Cynthia Cockerham-Morris, Jing Li, Niraj R. Chavan Sep 2020

Preterm Birth Prevention In Appalachian Kentucky: Understanding Barriers And Facilitators Related To Transvaginal Ultrasound Cervical Length Surveillance Among Prenatal Care Providers, Anna Hansen, Mairead E. Moloney, Cynthia Cockerham-Morris, Jing Li, Niraj R. Chavan

Sociology Faculty Publications

Background: Appalachian Kentucky has higher-than-average rates of preterm birth (PTB)—a health disparity associated with increased maternal and fetal/neonatal morbidity and neonatal mortality. Transvaginal ultrasound (TVU) cervical length measurement is the best predictor of PTB risk, but is underutilized in Appalachia. This study explores prenatal care providers' TVU-related knowledge and practices, and identifies barriers and facilitators, which impact the adoption of this evidence-based technology.

Materials and Methods: This study recruited providers from three Appalachian Kentucky health care sites. Prenatal care providers took part in semistructured interviews and completed brief survey scales. Questions focused on PTB knowledge, TVU-related barriers, and suggestions for …


Rural Snap Participants And Food Insecurity: How Can Communities Leverage Resources To Meet The Growing Food Insecurity Status Of Rural And Low-Income Residents?, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Kathryn Cardarelli, Stacey A. Slone, Alison A. Gustafson Aug 2020

Rural Snap Participants And Food Insecurity: How Can Communities Leverage Resources To Meet The Growing Food Insecurity Status Of Rural And Low-Income Residents?, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Kathryn Cardarelli, Stacey A. Slone, Alison A. Gustafson

Dietetics and Human Nutrition Faculty Publications

The burden of obesity disproportionately influences poor health outcomes in rural communities in the United States. Various social and environmental factors contribute to inadequate food access and availability in rural areas, influencing dietary intakes and food insecurity rates. This study aims to identify patterns related to food insecurity and fruit and vegetable consumption within a SNAP-eligible and low-income, highly obese rural Appalachian community. A prospective cohort was implemented to identify gaps in resources addressing obesity and food insecurity challenges. SAS 9.4 software was used to examine differences in dietary intakes and shopping practices among SNAP participants. Among participants (n …


Are College Students’ Attitudes Related To Their Application Of Sanctions For Campus Sexual Assault Cases?, Jaspreet K. Chahal, Caihong R. Li, Diane R. Follingstad, Claire M. Renzetti Aug 2020

Are College Students’ Attitudes Related To Their Application Of Sanctions For Campus Sexual Assault Cases?, Jaspreet K. Chahal, Caihong R. Li, Diane R. Follingstad, Claire M. Renzetti

CRVAW Faculty Journal Articles

With growing attention to adjudication of campus sexual assault cases, more is known regarding students’ views of sexual assault, but little the literature focuses on how students perceive “justice” in terms of assigning sanctions or guilt/responsibility for such cases. The present study focused on understanding whether college students’ preformed attitudes and beliefs were associated with the severity of sanctions they applied across a range of sexual assault cases as well as their assignments of guilt and responsibility to the parties involved. To determine students’ attitudes and beliefs mediating effects on sanction choices, five scales (i.e., rape myth acceptance, downplaying the …


Sex Differences In Problem Alcohol Use In High School As A Function Of Recent Sexual Violence Victimization Or Perpetration, Christal L. Badour, Samuel C. Bell, Emily R. Clear, Ann L. Coker Aug 2020

Sex Differences In Problem Alcohol Use In High School As A Function Of Recent Sexual Violence Victimization Or Perpetration, Christal L. Badour, Samuel C. Bell, Emily R. Clear, Ann L. Coker

Psychology Faculty Publications

To investigate sex differences in associations between sexual violence victimization (SVV), sexual violence perpetration (SVP), and binge drinking and/or alcohol problems among high school students. While SVV has been linked to problem alcohol use among young women, little research has addressed the unique associations of SVV and SVP on alcohol use/problems within both sexes. A cross-sectional analysis of 16,992 high school students’ self-reports of past-year SVP and SVV was used where SVV/SVP was defined by three tactics (sexual coercion, drug/alcohol-facilitated or incapacitated sex, and physically forced sex). Alcohol measures included past-month binge drinking and past-year alcohol problems. Rates of SVV …


Insufficient Sun Exposure Has Become A Real Public Health Problem, Lars Alfredsson, Bruce K Armstrong, D. Allan Butterfield, Rajiv Chowdhury, Frank R. De Gruijl, Martin Feelisch, Cedric F. Garland, Prue H. Hart, David G. Hoel, Ramune Jacobsen, Pelle G. Lindqvist, David J. Llewellyn, Henning Tiemeier, Richard B. Weller, Antony R. Young Jul 2020

Insufficient Sun Exposure Has Become A Real Public Health Problem, Lars Alfredsson, Bruce K Armstrong, D. Allan Butterfield, Rajiv Chowdhury, Frank R. De Gruijl, Martin Feelisch, Cedric F. Garland, Prue H. Hart, David G. Hoel, Ramune Jacobsen, Pelle G. Lindqvist, David J. Llewellyn, Henning Tiemeier, Richard B. Weller, Antony R. Young

Chemistry Faculty Publications

This article aims to alert the medical community and public health authorities to accumulating evidence on health benefits from sun exposure, which suggests that insufficient sun exposure is a significant public health problem. Studies in the past decade indicate that insufficient sun exposure may be responsible for 340,000 deaths in the United States and 480,000 deaths in Europe per year, and an increased incidence of breast cancer, colorectal cancer, hypertension, cardiovascular disease, metabolic syndrome, multiple sclerosis, Alzheimer's disease, autism, asthma, type 1 diabetes and myopia. Vitamin D has long been considered the principal mediator of beneficial effects of sun exposure. …


Racial And Ethnic Disparities In Covid-19: Evidence From Six Large Cities, Joseph Benitez, Charles J. Courtemanche, Aaron Yelowitz Jul 2020

Racial And Ethnic Disparities In Covid-19: Evidence From Six Large Cities, Joseph Benitez, Charles J. Courtemanche, Aaron Yelowitz

Institute for the Study of Free Enterprise Working Papers

As of June 2020, the coronavirus pandemic has led to more than 2.3 million confirmed infections and 121 thousand fatalities in the United States, with starkly different incidence by race and ethnicity. Our study examines racial and ethnic disparities in confirmed COVID-19 cases across six diverse cities – Atlanta, Baltimore, Chicago, New York City, San Diego, and St. Louis – at the ZIP code level (covering 436 “neighborhoods” with a population of 17.7 million). Our analysis links these outcomes to six separate data sources to control for demographics; housing; socioeconomic status; occupation; transportation modes; health care access; long-run opportunity, as …


Risk And Protective Factors Of Dementia Among Adults With Post-Traumatic Stress Disorder: A Systematic Review Protocol, Karen A. Lawrence, Theresia M. Pachner, Molly M. Long, Stephanie Henderson, Donna L. Schuman, Brenda L. Plassman Jun 2020

Risk And Protective Factors Of Dementia Among Adults With Post-Traumatic Stress Disorder: A Systematic Review Protocol, Karen A. Lawrence, Theresia M. Pachner, Molly M. Long, Stephanie Henderson, Donna L. Schuman, Brenda L. Plassman

Social Work Faculty Publications

INTRODUCTION: Post-traumatic stress disorder (PTSD) is associated with an increased risk of dementia. Individual epidemiological studies have controlled for several confounders of the relationship between PTSD and increased dementia risk, yet particular risk factors underlying this relationship have not been determined. This systematic review protocol aims to identify risk and protective factors of dementia among adults with PTSD.

METHODS AND ANALYSIS: We will conduct an electronic search of the databases: PubMed, CINAHL, PsychINFO, The Cochrane Library, Scopus and ProQuest Dissertation and Theses Global. After screening the studies, quantitative synthesis will be performed, if possible. Otherwise, a narrative synthesis will be …


Evaluating The Feasibility And Acceptability Of Internet-Based Cognitive Behavioral Therapy For Insomnia In Rural Women, Mairead Eastin Moloney, Madeline Dunfee, Matthew Rutledge, Nancy Schoenberg May 2020

Evaluating The Feasibility And Acceptability Of Internet-Based Cognitive Behavioral Therapy For Insomnia In Rural Women, Mairead Eastin Moloney, Madeline Dunfee, Matthew Rutledge, Nancy Schoenberg

Sociology Faculty Publications

Background: Insomnia, one of the most common sleep disorders among women in midlife, is associated with multiple negative health outcomes. Rural Appalachian women are disproportionately affected by insufficient sleep, but their barriers to care (e.g., health care shortages, cultural norms) may prevent intervention. This study assessed the feasibility and acceptability of Sleep Healthy Using the Internet (SHUTi) an Internet-based version of cognitive behavioral therapy for insomnia in Appalachian women ages 45+ years.

Materials and Methods: We used mixed methods to assess feasibility (through summaries of recruitment and retention data) and acceptability (quantitatively through online survey scales and qualitatively …


Incentive Sensitization For Exercise Reinforcement To Increase Exercise Behaviors, Kyle D. Flack, Harry M. Hays, Jack Moreland Apr 2020

Incentive Sensitization For Exercise Reinforcement To Increase Exercise Behaviors, Kyle D. Flack, Harry M. Hays, Jack Moreland

Dietetics and Human Nutrition Faculty Publications

Individuals can be sensitized to the reinforcing effects of exercise, although it is unknown if this process increases habitual exercise behavior. Sedentary men and women (body mass index: 25–35 kg/m2, N = 52) participated in a 12-week aerobic exercise intervention. Exercise reinforcement was determined by how much work was performed for exercise relative to a sedentary alternative in a progressive ratio schedule task. Habitual physical activity was assessed via accelerometry. Post-intervention increases in exercise reinforcement predicted increases in physical activity bouts among those who expended over 2000 kcal per week in exercise and who compensated for less than …


Rural Caregivers: Identification Of Informational Needs Through Telemedicine Questions, Shoshana H. Bardach, Allison Gibson, Kelly Parsons, April Stauffer, Gregory A. Jicha Apr 2020

Rural Caregivers: Identification Of Informational Needs Through Telemedicine Questions, Shoshana H. Bardach, Allison Gibson, Kelly Parsons, April Stauffer, Gregory A. Jicha

Sanders-Brown Center on Aging Faculty Publications

OBJECTIVES: The prevalence of Alzheimer's disease and associated disorders is increasing. Rural residents in the United States have less access to memory care specialists and educational and community resources than in other areas of the country. Over a decade ago, we initiated an interdisciplinary rural caregiving telemedicine program to reach Kentucky residents in areas of the state where resources for supporting individuals with dementia are limited. Telemedicine programs involve a short informational presentation followed by a question and answer session; programs are offered 4 times a year. The purpose of this study was to explore questions asked over 1 year …


Did Social-Distancing Measures In Kentucky Help To Flatten The Covid-19 Curve?, Charles J. Courtemanche, Joseph Garuccio, Anh Le, Joshua C. Pinkston, Aaron Yelowitz Apr 2020

Did Social-Distancing Measures In Kentucky Help To Flatten The Covid-19 Curve?, Charles J. Courtemanche, Joseph Garuccio, Anh Le, Joshua C. Pinkston, Aaron Yelowitz

Institute for the Study of Free Enterprise Working Papers

In the absence of a vaccine or more effective treatment options, containing the spread of novel coronavirus disease 2019 (COVID-19) must rely on non-pharmaceutical interventions. All U.S. states adopted social-distancing measures in March and April of 2020, though they varied in both timing and scope. Kentucky began by closing public schools and restaurant dining rooms on March 16th before progressing to closing other non-essential businesses and eventually issuing a “Healthy at Home” order with restrictions similar to the shelter-in-place (SIPO) orders adopted by other states. We aim to quantify the impact of these measures on COVID-19 case growth in the …


Development And Psychometrics Of The English Version Of The Itch Cognitions Questionnaire, Carolyn J. Heckman, Christina Schut, Mary Riley, Anke Ehlers, Rodrigo Valdes-Rodriguez, Jörg Kupfer, Uwe Gieler, Jerod L. Stapleton Mar 2020

Development And Psychometrics Of The English Version Of The Itch Cognitions Questionnaire, Carolyn J. Heckman, Christina Schut, Mary Riley, Anke Ehlers, Rodrigo Valdes-Rodriguez, Jörg Kupfer, Uwe Gieler, Jerod L. Stapleton

Health, Behavior & Society Faculty Publications

BACKGROUND: The aim of this study was to validate the English version of the Itch Cognition Questionnaire in a sample of patients with chronic itch due to psoriasis or atopic dermatitis. An English-language version of an instrument assessing itch-related cognitions is needed since cognitions can contribute to a worsening of itch, and chronic itch is prevalent in English-speaking counties and internationally.

METHODS: The German Itch Cognitions Questionnaire was translated into English, and cognitive interviewing was conducted to finalize item wording. Internal and test-retest reliability, item discrimination, responsiveness to change, and construct, convergent, and discriminant validity were assessed in a national …


Development Of An International Data Repository And Research Resource: The Prospective Studies Of Acute Child Trauma And Recovery (Pact/R) Data Archive, Nancy Kassam-Adams, Justin A. Kenardy, Douglas L. Delahanty, Meghan L. Marsac, Richard Meiser-Stedman, Reginald D. V. Nixon, Markus A. Landolt, Patrick A. Palmieri Mar 2020

Development Of An International Data Repository And Research Resource: The Prospective Studies Of Acute Child Trauma And Recovery (Pact/R) Data Archive, Nancy Kassam-Adams, Justin A. Kenardy, Douglas L. Delahanty, Meghan L. Marsac, Richard Meiser-Stedman, Reginald D. V. Nixon, Markus A. Landolt, Patrick A. Palmieri

Pediatrics Faculty Publications

Background: Studies that identify children after acute trauma and prospectively track risk/protective factors and trauma responses over time are resource-intensive; small sample sizes often limit power and generalizability. The Prospective studies of Acute Child Trauma and Recovery (PACT/R) Data Archive was created to facilitate more robust integrative cross-study data analyses.

Objectives: To (a) describe creation of this research resource, including harmonization of key variables; (b) describe key study- and participant-level variables; and (c) examine retention to follow-up across studies.

Methods: For the first 30 studies in the Archive, we described study-level (design factors, retention rates) and participant-level …


A Population-Based Investigation Of Health-Care Needs And Preferences In American Adults With Multiple Sclerosis, Chungyi Chiu, Malachy Bishop, Bradley Mcdaniels, Byung-Jin Kim, Lebogang Tiro Feb 2020

A Population-Based Investigation Of Health-Care Needs And Preferences In American Adults With Multiple Sclerosis, Chungyi Chiu, Malachy Bishop, Bradley Mcdaniels, Byung-Jin Kim, Lebogang Tiro

Early Childhood, Special Education, and Counselor Education Faculty Publications

Background: Comprehensive and effective multiple sclerosis (MS) health care requires understanding of patients’ needs, preferences, and priorities. Objective: To evaluate priorities of patients with MS for their MS care. Methods: Participants included 3003 Americans with MS recruited through the National MS Society and the North American Research Committee on Multiple Sclerosis patient registry. Participants completed a comprehensive questionnaire on aspects of their health-care experiences. Results: Participants identified the top 3 health-care priorities as (1) the affordability of MS health care, (2) ensuring that non-MS health-care providers have more education about MS and how it can interact with other conditions, and …


Students’ Perceptions Of Justice: Application Of Sanctions, Guilt, And Responsibility In Campus Sexual Assault Cases, Diane R. Follingstad, Caihong R. Li, Jaspreet K. Chahal, Claire M. Renzetti Jan 2020

Students’ Perceptions Of Justice: Application Of Sanctions, Guilt, And Responsibility In Campus Sexual Assault Cases, Diane R. Follingstad, Caihong R. Li, Jaspreet K. Chahal, Claire M. Renzetti

CRVAW Faculty Journal Articles

Despite growing attention to adjudication of campus sexual assault cases, little is known how students perceive “justice” for such cases. The present study examined whether victim, perpetrator, and assault characteristics influenced students’ perceptions of: whether a sanctionable violation occurred; the type of sanction to be applied; perceived severity of the sanction; proportion of guilt attributable to the victim and perpetrator; and level of responsibility of the victim and perpetrator. Fourteen factors pertaining to potential negative evaluation of rape victims were derived; thus, a non-factorial vignette survey design focusing only on each main effect was employed. 846 college students responded to …


Mentoring Multi-College Bystander Efficacy Evaluation – An Approach To Growing The Next Generation Of Gender-Based Interpersonal Violence Intervention And Prevention (Vip) Researchers, Ann L. Coker, Danielle Davidov, Heather M. Bush, Emily R. Clear Jan 2020

Mentoring Multi-College Bystander Efficacy Evaluation – An Approach To Growing The Next Generation Of Gender-Based Interpersonal Violence Intervention And Prevention (Vip) Researchers, Ann L. Coker, Danielle Davidov, Heather M. Bush, Emily R. Clear

Obstetrics and Gynecology Faculty Publications

The Centers for Disease Control and Prevention provided funding (U01 CE002668) to evaluate bystander program efficacy to reduce gender-based violence on college campuses (Aim 1) and to create a mentoring network (Aim 2) for young campus-based researchers interested in violence intervention or prevention (VIP). While an evaluation of this mentoring program is ongoing, our purpose here was to document the strategies used to create, implement, and begin evaluation of this national multi-college mentoring network. As each public college was recruited into this evaluation named multi-college Bystander Efficacy Evaluation (mcBEE), each college was invited to nominate a researcher interested in receiving …


Time Spent Exercising And Obesity: An Application Of Lewbel’S Instrumental Variables Method, Charles J. Courtemanche, Joshua C. Pinkston, Jay Stewart Jan 2020

Time Spent Exercising And Obesity: An Application Of Lewbel’S Instrumental Variables Method, Charles J. Courtemanche, Joshua C. Pinkston, Jay Stewart

Institute for the Study of Free Enterprise Working Papers

This paper examines the role physical activity plays in determining body mass using data from the American Time Use Survey. Our work is the first to address the measurement error that arises when time use during a single day—rather than average daily time use over an extended period—is used as an explanatory variable. We show that failing to account for day-to-day variation in activities results in the effects of time use on a typical day being understated. Furthermore, we account for the possibility that physical activity and body mass are jointly determined by implementing Lewbel’s instrumental variables estimator that exploits …


Will "Social Distancing" Lead To Future "Research Distancing": A Reflection On Covid-19 Impacts On Alzheimer's Disease Research, Shoshana H. Bardach, Allison K. Gibson, Elizabeth K. Rhodus, Gregory A. Jicha Jan 2020

Will "Social Distancing" Lead To Future "Research Distancing": A Reflection On Covid-19 Impacts On Alzheimer's Disease Research, Shoshana H. Bardach, Allison K. Gibson, Elizabeth K. Rhodus, Gregory A. Jicha

Sanders-Brown Center on Aging Faculty Publications

Coronavirus disease 19 (COVID-19) has dramatically altered everyday life, including the field of Alzheimer's disease (AD) research. This perspective article explores some of the ways in which COVID-19 has already impacted the field, anticipates some of the long-lasting effects, and explores strategies for addressing current and future needs. Areas of impact include study integrity, regulatory and industry issues, and participant engagement. Proposed strategies for addressing these challenges include analytic methods to deal with large degrees of missing data and development of patient-centered, user-friendly, remote data collection tools and assessments. We also highlight the importance of maintaining participant well-being as a …