1
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Allen CG, Jefferson M, Magwood G, Melvin C, Babatunde OA, Halbert CH. Understanding men's beliefs and concerns about linking health data in the context of precision medicine. J Clin Transl Sci 2023; 7:e150. [PMID: 37456269 PMCID: PMC10346034 DOI: 10.1017/cts.2023.573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 05/01/2023] [Accepted: 05/30/2023] [Indexed: 07/18/2023] Open
Abstract
Background/Objective Linking data is a critical feature of precision medicine initiatives that involves integrating information from multiple sources to improve researchers' and clinicians' ability to deliver care. We have limited understanding of how individuals perceive linking data as it relates to precision medicine. The aim of this study was to identify how sociodemographics, comorbidities, and beliefs about precision medicine influence two outcomes related to linking data: beliefs about linking data and concerns about linking data among men. Methods We recruited 124 adult men from primary care practices at a large clinical research university to complete a cross-sectional survey that included questions about sociodemographic characteristics, comorbidities, beliefs, benefits, and limitations of precision medicine, and two outcomes of interest: beliefs about the value of linking data and concerns about linking data. Descriptive statistics, bivariate associations, and multivariable regression were conducted. Results Participants had positive beliefs about linking data for precision medicine (M = 4.05/5) and average concern about linking data (M = 2.1/5). Final multivariable models revealed that higher levels of loneliness are associated with more positive beliefs about linking data (β = 0.41, p = 0.027). Races other than African American (β = -0.64, p = 0.009) and those with lower perceived limitations of precision medicine were less likely to be concerned about linking data (β = -0.75, p = 0.0006). Conclusion Our results advance the literature about perceptions of linking data for use in clinical and research studies among men. Better understanding of factors associated with more positive perceptions of data linkages could help improve how researchers recruit and engage participants.
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Affiliation(s)
- Caitlin G. Allen
- Department of Public Health Sciences, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Melanie Jefferson
- Department of Psychiatry and Behavioral Sciences, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Gayenell Magwood
- Department of Biobehavioral Health and Nursing Science, College of Nursing, University of South Carolina, Charleston, SC, USA
| | - Cathy Melvin
- Department of Public Health Sciences, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Oluwole Adeyemi Babatunde
- Department of Psychiatry and Behavioral Sciences, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Chanita Hughes Halbert
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
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2
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Booth A, Colorado H, Magwood G, Forster E, Axon RN, Curran T. Far from home: the role of travel distance and care fragmentation in surgical outcomes for inflammatory bowel disease. Crohn's & Colitis 360 2023; 5:otad015. [PMID: 37016719 PMCID: PMC10066839 DOI: 10.1093/crocol/otad015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Indexed: 03/11/2023] Open
Abstract
Abstract
Background
Fragmented care for inflammatory bowel disease is known to correlate negatively with outcomes, but it is unclear which aspects of care fragmentation are relevant and potentially modifiable. Furthermore, there is little data on the relationship between travel distance and the benefits of integrated care models. Hypothesizing care coordination in the preoperative period may have a significant impact on surgical outcomes, we explored associations between integrated care, travel distance, and surgical outcomes.
Methods
A single-center retrospective cohort study of patients undergoing index abdominal surgery was done to compare the rate of surgical complications with and without long travel distance and non-integrated preoperative care. Multivariable logistic regression was used to identify factors independently associated with complications.
Results
157 patients were included. Complications were more common among patients with travel distance >75 miles (47.6% vs 27.4%, p=0.012). Integrated preoperative care was not significant on bivariate (p=0.381) or multivariable analysis but had a stronger association among patients with travel distance <75 miles (20.9% integrated vs 36.7%, p=0.138). After adjustment, new ileostomy, open surgical approach, and distance >75 miles were independently associated with complications.
Conclusions
Patients with longer travel distances to the hospital were twice as likely to have a surgical complication after adjusting for other risk factors. Without significant accommodations for remote patients, potential benefits of an integrated model for IBD care may be limited to patients who live close to the medical center. Future efforts addressing continuity of care should consider tactics to mitigate the impact of travel distance on outcomes.
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Affiliation(s)
- Alexander Booth
- Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston , SC, United States of America
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston , SC, United States of America
| | - Henry Colorado
- Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston , SC, United States of America
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, Charleston , SC, United States of America
| | - Erin Forster
- Division of Gastroenterology, Hepatology and Nutrition, Medical University of South Carolina , Charleston, SC, United States of America
| | - Robert N Axon
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston , SC, United States of America
| | - Thomas Curran
- Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston , SC, United States of America
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3
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Booth A, Ford W, Brennan E, Magwood G, Forster E, Curran T. Towards Equitable Surgical Management of Inflammatory Bowel Disease: A Systematic Review of Disparities in Surgery for Inflammatory Bowel Disease. Inflamm Bowel Dis 2022; 28:1405-1419. [PMID: 34553754 DOI: 10.1093/ibd/izab237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Existing evidence for disparities in inflammatory bowel disease is fragmented and heterogenous. Underlying mechanisms for differences in outcomes based on race and socioeconomic status remain undefined. We performed a systematic review of the literature to examine disparities in surgery for inflammatory bowel disease in the United States. METHODS Electronic databases were searched from 2000 through June 11, 2021, to identify studies addressing disparities in surgical treatment for adults with inflammatory bowel disease. Eligible English-language publications comparing the use or outcomes of surgery by racial/ethnic, socioeconomic, geographic, and/or institutional factors were included. Studies were grouped according to whether outcomes of surgery were reported or surgery itself was the relevant end point (utilization). Quality was assessed using the Newcastle-Ottawa Scale for observational studies. RESULTS Forty-five studies were included. Twenty-four reported surgical outcomes and 21addressed utilization. Race/ethnicity was considered in 96% of studies, socioeconomic status in 44%, geographic factors in 27%, and hospital/surgeon factors in 22%. Although study populations and end points were heterogeneous, Black and Hispanic patients were less likely to undergo abdominal surgery when hospitalized; they were more likely to have a complication when they did have surgery. Differences based on race were correlated with socioeconomic factors but frequently remained significant after adjustments for insurance and baseline health. CONCLUSIONS Surgical disparities based on sociologic and structural factors reflect unidentified differences in multidisciplinary disease management. A broad, multidimensional approach to disparities research with more granular and diverse data sources is needed to improve health care quality and equity for inflammatory bowel disease.
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Affiliation(s)
- Alexander Booth
- Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston, SC, USA.,Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC, USA
| | - Wilson Ford
- College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Emily Brennan
- Colbert Education Center and Library, Medical University of South Carolina, Charleston, SC, USA
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, Charleston, SC, USA
| | - Erin Forster
- Division of Gastroenterology, Hepatology and Nutrition, Medical University of South Carolina, Charleston, SC, USA
| | - Thomas Curran
- Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston, SC, USA
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Abstract
Stroke exerts a tremendous burden on individuals, families, communities, and health systems globally. Even more troublesome are the striking disparities faced across diverse populations. These disparities are further exacerbated by the COVID-19 pandemic. Despite efforts to advance stroke research, substantial gaps remain in understanding factors that contribute to stroke disparities, including the Social Determinants of Health. Strategically designed studies and tailored interventions are needed to bridge the inequities high-risk populations face and to meet their specific needs. Community-based participatory research offers an approach to equitably partner with community members to understand and work collaboratively to address community-specific health priorities. In this focused update, we highlight the main processes of community-based participatory research studies and share exemplars from our team's work in stroke research and from the literature. As we continue to face an increasing prevalence of stroke, compounded by the COVID-19 pandemic and ongoing implications of the Social Determinants of Health, partnering with communities to address community-driven health priorities can inform interventions targeted to overcome the disparities faced by certain populations.
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Affiliation(s)
- Michelle Nichols
- College of Nursing, Medical University of South Carolina,
Charleston, SC, USA,South Carolina Clinical and Translational Research
Institute, Charleston, SC, USA
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina,
Charleston, SC, USA
| | - Michelle Woodbury
- College of Health Professions, Medical University of South
Carolina, Charleston, SC USA
| | - Kimberly Brown
- South Carolina Clinical and Translational Research
Institute, Charleston, SC, USA
| | - Carolyn Jenkins
- College of Nursing, Medical University of South Carolina,
Charleston, SC, USA
| | - Mayowa Owolabi
- Department of Medicine, University of Ibadan, Ibadan,
Nigeria
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5
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Abraham-Hilaire LM, Magwood G, Turner DP, Abbott A, Savage SJ, Salley J, Ford ME. Abstract PO-053: South Carolina Cancer Disparities Research Center's (SC CADRE) culturally-sensitive, state-of-the-art treatment to eliminate cancer disparities conference. Cancer Epidemiol Biomarkers Prev 2022. [DOI: 10.1158/1538-7755.disp21-po-053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
BACKGROUND: The South Carolina Cancer Disparities Research Center (SC CADRE) U54 conducted the Culturally-Sensitive, State-of-the-Art Treatment to Eliminate Cancer Disparities Conference in February of 2021. This virtual live webinar was a cancer-disparities-focused Continuing Medical Education (CME) Conference, held for health professionals and community stakeholders to improve the quality of cancer care in South Carolina and to bridge the gap in health care. PURPOSE: The course objective included identifying and/or implementing new cancer treatments to decrease cancer disparities rates in South Carolina, pertaining to rural cancer screening, advanced glycation end products (AGES), breast cancer, and prostate cancer. This conference was designated as a virtual live webinar; therefore, the format included lectures and question-and-answer segments. This conference also served as an enduring activity; therefore, this program was recorded and made available on the South Carolina Area Health Education Center (AHEC) Learning Platform for additional health professionals to attain CME credits. The Medical University of South Carolina designated this live and enduring activity for a maximum of 3.00 AMA PRA Category 1 Credit(s)TM. METHOD: The CME co-course director moderated the virtual conference in WebEx. The first presentation addressed the rural cancer disparities in the United States and in South Carolina. The second presentation addressed AGES, lifestyle, and disease. The third presentation addressed breast cancer incidence in the United States and in South Carolina. The fourth presentation addressed prostate cancer screening and treatment considerations. Conference participants placed their questions in the chat box for presenters to address. Conference participants were sent a program evaluation electronically, and it resulted in a 72% response rate. RESULTS: Fifty-three health care professionals participated in the conference. Seventy-seven percent of the conference attendees were women. The course/conference participants consisted of the following: medical physicians (7.5%), health administrators (13%), registered nurses (16%), nurse practitioners (5%), social workers (16%), retiree (1%), other health care providers (13%), public health providers (11%), Ph.D. Researcher (3%), clinical lab scientists (1%), student (1%), pediatrician (1%), health education specialists (1%), and physician assistants (1%). CONCLUSIONS: At completion of this course, health care professionals and community stakeholders are able to increase the awareness of the social determinants of health in relation to rural cancer disparities, define AGES, learn how AGES can damage the body, what to do to combat AGES, and interventions. In addition, course/conference participants would learn about existing disparities in breast cancer screening, and treatment and how minorities are affected by breast cancer. In conclusion, conference participants would learn about prostate cancer screening, diagnosis and treatment.
Citation Format: Latecia M. Abraham-Hilaire, Gayenell Magwood, David P Turner, Andrea Abbott, Stephen J. Savage, Judith Salley, Marvella E. Ford. South Carolina Cancer Disparities Research Center's (SC CADRE) culturally-sensitive, state-of-the-art treatment to eliminate cancer disparities conference [abstract]. In: Proceedings of the AACR Virtual Conference: 14th AACR Conference on the Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; 2021 Oct 6-8. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2022;31(1 Suppl):Abstract nr PO-053.
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Affiliation(s)
| | | | | | - Andrea Abbott
- 1Medical University of South Carolina, Charleston, SC,
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6
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Aycock D, Harden JT, Salazar L, Magwood G, Clark P. Tailoring Stroke Counseling for Risk Reduction Intervention to African American Men. Innov Aging 2021. [PMCID: PMC8680452 DOI: 10.1093/geroni/igab046.1630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Early life course achievement and maintenance of ideal cardiovascular health is associated with reduced risk of developing stroke later in life. The Stroke Counseling for Risk Reduction (SCORRE) intervention is an age-and-culturally relevant intervention originally designed to correct inaccurate stroke risk perceptions and improve lifestyle behaviors to reduce stroke risk in AAs age 20-35. In a study testing SCORRE, fewer men participated, but most were not at a stage of readiness for behavior change; many did not think they were at risk despite averaging three modifiable risk factors, and while improvements in outcomes were observed in women they were not in men. These differences led to tailoring SCORRE to young AA men. The methods for tailoring SCORRE and resulting strategies for attracting, engaging, and empowering them towards stroke risk reduction, including hypotheses concerning food supply, housing, economic and social relationships, education, and mental health care will be raised for discussion.
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Affiliation(s)
- Dawn Aycock
- Georgia State University, Atlanta, Georgia, United States
| | | | - Laura Salazar
- Georgia State University, Atlanta, Georgia, United States
| | - Gayenell Magwood
- Medical University of South Carolina, Charleston, South Carolina, United States
| | - Patricia Clark
- Georgia State University, Atlanta, Georgia, United States
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7
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Jefferson M, Magwood G, Melvin C, Babatunde O, Halbert CH, Allen CG. Abstract PO-074: Understanding men’s concerns about linking health data in the context of precision medicine. Cancer Epidemiol Biomarkers Prev 2020. [DOI: 10.1158/1538-7755.disp20-po-074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
Background and Importance: Linking data is a critical feature of precision medicine initiatives that involves integrating information from multiple sources to improve researchers’ and clinicians’ ability to deliver care. To date, we have limited understanding of how racial and ethnic minorities perceive linking data as it relates to precision medicine. Objective: The aim of this study was to identify how demographics, co-morbidities, and beliefs about precision medicine influence two outcomes related to linking data: beliefs about linking data and concerns about linking data among minority men. Methods: Adult individuals were recruited from primary care practices at a large clinical research university. 375 individuals were invited to participate and 124 completed a cross-sectional survey that included questions about demographic characteristics, comorbidities, beliefs, benefits, and limitations of precision medicine, and two outcomes of interest: beliefs about the value of linking data and concerns about linking data. Descriptives, bivariate, and multivariable regression were conducted in SAS version 9.4. Results: Participants had positive perceptions about beliefs about linking data for precision medicine (M=4.05/5) and average concern about linking data (M=2.1/5). Final multivariable models revealed that higher levels of loneliness are associated with more positive beliefs about linking data (B=0.41, p=0.027). Races other than Black or African American (B=-0.64, p=0.009) and those with lower perceived limitations of precision medicine were less likely to be concerned about linking data (B=-0.75, p=-.0006).
Conclusion and Relevance: Our results contribute to the lack of literature about perceptions of linking data for use in clinical and research studies among men. Better understanding of factors associated with more positive perceptions of data linkages could help improve how researchers recruit and engage participants.
Citation Format: Melanie Jefferson, Gayenell Magwood, Cathy Melvin, Oluwole Babatunde, Chanita Hughes Halbert, Caitlin G. Allen. Understanding men’s concerns about linking health data in the context of precision medicine [abstract]. In: Proceedings of the AACR Virtual Conference: Thirteenth AACR Conference on the Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; 2020 Oct 2-4. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2020;29(12 Suppl):Abstract nr PO-074.
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Affiliation(s)
| | | | - Cathy Melvin
- 1Medical University of South Carolina, Charleston, SC,
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8
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Walter KR, Ford FE, Gregoski MJ, Kramer RM, Knight KD, Spruill L, Nogueira LM, Krisanits BA, Taylor MH, La Rue AC, Lilly MB, Ambs S, Chan K, Turner TF, Varner H, Singh S, Uribarri J, Garrett-Mayer E, Armeson KE, Hilton EJ, Clair M, Findlay VJ, Peterson LL, Magwood G, Turner DP. Abstract C024: Lifestyle-associated advanced glycation end products are elevated in ER+ positive breast cancer patients, alter response to therapy, and can be targeted by lifestyle intervention. Cancer Epidemiol Biomarkers Prev 2020. [DOI: 10.1158/1538-7755.disp18-c024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
Lifestyle factors associated with personal behavior can alter tumor-associated biologic pathways and thereby increase cancer risk, growth and disease recurrence. Advanced glycation end products (AGEs) are reactive metabolites produced endogenously as a byproduct of normal metabolism. A Western lifestyle consisting of high-fat, high-sugar and processed foods as well as little exercise can lead to a significant increase in AGE accumulation in the body and is also associated with driving cancer disparity. Increased AGE accumulation promotes disease phenotypes through modification of the genome, protein crosslinking and dysfunction, and aberrant cell signaling. We evaluated AGE levels in biospecimens from ER+ and ER- breast cancer patients, examined their role in therapy resistance, and assessed the ability of a lifestyle intervention to reduce circulating AGE levels in ER+ breast cancer survivors. A correlation between ER status and AGE levels was observed in tumor and serum samples. AGE treatment of ER+ breast cancer cells impacted pathways associated with ER regulation. We observed a significant increase in phosphorylation of ERalpha following AGE treatment when compared to untreated control with no change in total ERalpha levels. We also observed a significant increase in both AKT and ERK phosphorylation in ER+ cell lines in response to AGE treatment in a time-dependent manner. Inhibition of AKT with Ly294002 and inhibition of ERK with the MEK inhibitor U0126 significantly reduced ERalpha phosphorylation in the presence of AGE. Significantly, ER+ cells treated with AGEs no longer responded to hormonal therapy with tamoxifen. In a proof-of-concept study we examined the ability of a defined exercise and dietary intervention (i.e., cardiac rehabilitation) to reduce circulatory AGE levels in ER+ breast cancer survivors. A significant increase in average very active minutes and average calories burned was observed as a result of the intervention. This was accompanied by a significant reduction in dietary-AGE intake and also showed significant reductions in circulating AGE levels when fasting serum samples were analyzed by ELISA. An analysis of IL6 and CRP levels by ELISA in the same AGE assessed samples revealed no significant differences at any time point. There is a potential prognostic and therapeutic role for lifestyle-derived AGEs in cancer disparity. Given the potential benefits of lifestyle intervention on cancer incidence and mortality, opportunities exist for the development of community health and nutritional programs aimed at reducing AGE exposure in order to improve cancer prevention and treatment outcomes. Lifestyle interventions that lower AGE levels may then be utilized to reduce breast cancer incidence and improve prognosis in cancer disparity populations.
Citation Format: Katherine R. Walter, Ford E. Ford, Mathew J. Gregoski, Rita M. Kramer, Kendrea D. Knight, Laura Spruill, Lourdes M. Nogueira, Bradley A. Krisanits, Marian H. Taylor, Amanda C. La Rue, Michael B. Lilly, Stefan Ambs, King Chan, Tonya F. Turner, Heidi Varner, Shweta Singh, Jaime Uribarri, Elizabeth Garrett-Mayer, Kent E. Armeson, Ebony J. Hilton, Mark Clair, Victoria J. Findlay, Lindsay L. Peterson, Gayenell Magwood, David P. Turner. Lifestyle-associated advanced glycation end products are elevated in ER+ positive breast cancer patients, alter response to therapy, and can be targeted by lifestyle intervention [abstract]. In: Proceedings of the Eleventh AACR Conference on the Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; 2018 Nov 2-5; New Orleans, LA. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2020;29(6 Suppl):Abstract nr C024.
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9
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Ford ME, Bauza CE, Findlay VJ, Turner DP, Abraham-Hilaire LM, Moore LA, Magwood G, Alberg AJ, Gaymon K, Knight KD, Hilton E, Malek AM, Kramer RM, Peterson LL, Bolick S, Hurley D, Mosley C, Hazelton TR, Burshell DR, Nogueira L, Mack F, Brown ET, Salley JD, Whitfield KE, Cunningham JE. Abstract B102: Body mass index, physical activity, and breast cancer subtype in European American, African American, and Sea Island breast cancer survivors. Cancer Epidemiol Biomarkers Prev 2020. [DOI: 10.1158/1538-7755.disp19-b102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
BACKGROUND: Breast cancer (BCa) is the second leading cause of cancer death among women in the United States and large racial/ethnic disparities are evident. Higher levels of body mass index (BMI), lower rates of physical activity (PA), and hormone receptor-negative BCa sub-type are associated with poorer BCa treatment outcomes. PURPOSE: To evaluate the prevalence of high BMI, low PA level, and BCa sub-type among three BCa survivor groups: European Americans (EAs), African Americans without Sea Island ancestry (AAs), and AAs with SI ancestry (SIs). METHODS: A state central cancer registry database was used to identify 137 (42 EAs, 66 AAs, and 29 SIs) women diagnosed with BCa between May 2012 and October 2013, who were within 6-21 months of diagnosis at the time of the study. RESULTS: Regardless of racial/ethnic group, most participants (82%) were overweight/obese (p=0.46). BMI was highest in younger AAs (p=0.02). The CDC PA guidelines (≥150 minutes/week) were met by only 28% of participants. In terms of BCa sub-type, among the 86 participants who provided saliva samples, the frequency of triple-negative BCa and estrogen-receptor-negative BCa was lower in EAs and SIs than in AAs (p< 0.05). CONCLUSIONS: This is the first study to identify differences in obesity rates, PA rates, and BCa sub-type in EAs, AAs, and SIs. Future research could explore dietary and PA behavioral interventions to reduce BCa recurrence risk, and could evaluate potential differential immune responses linked to the frequency of triple-negative BCa in AAs.
Citation Format: Marvella E Ford, Colleen E Bauza, Victoria J Findlay, David P Turner, Latecia M Abraham-Hilaire, Leslie A Moore, Gayenell Magwood, Anthony J Alberg, Kadeidre Gaymon, Kendrea D Knight, Ebony Hilton, Angela M Malek, Rita M Kramer, Lindsay L Peterson, Susan Bolick, Deborah Hurley, Catishia Mosley, Tonya R Hazelton, Dana R Burshell, Lourdes Nogueira, Franshawn Mack, Erika T Brown, Judith D Salley, Keith E Whitfield, Joan E Cunningham. Body mass index, physical activity, and breast cancer subtype in European American, African American, and Sea Island breast cancer survivors [abstract]. In: Proceedings of the Twelfth AACR Conference on the Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; 2019 Sep 20-23; San Francisco, CA. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2020;29(6 Suppl_2):Abstract nr B102.
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Affiliation(s)
| | - Colleen E Bauza
- 2Johns Hopkins All Children’s Hospital, St. Petersburg, FL, USA,
| | | | - David P Turner
- 1Medical University of South Carolina, Charleston, SC, USA,
| | | | - Leslie A Moore
- 1Medical University of South Carolina, Charleston, SC, USA,
| | | | | | | | | | - Ebony Hilton
- 4University of Virgina, Charlottesville, VA, USA,
| | - Angela M Malek
- 1Medical University of South Carolina, Charleston, SC, USA,
| | - Rita M Kramer
- 1Medical University of South Carolina, Charleston, SC, USA,
| | | | - Susan Bolick
- 6South Carolina Department of Health and Environmental Control, Columbia, SC, USA,
| | - Deborah Hurley
- 6South Carolina Department of Health and Environmental Control, Columbia, SC, USA,
| | - Catishia Mosley
- 6South Carolina Department of Health and Environmental Control, Columbia, SC, USA,
| | | | - Dana R Burshell
- 7University of North Carolina Chapel Hill, Chapel Hill, NC, USA,
| | | | | | | | | | | | - Joan E Cunningham
- 11The National Coalition of Independent Scholars, San Antonia, TX, USA
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10
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Buie JNJ, Zhao Y, Burns S, Magwood G, Adams R, Sims-Robinson C, Lackland DT. Racial Disparities in Stroke Recovery Persistence in the Post-Acute Stroke Recovery Phase: Evidence from the Health and Retirement Study. Ethn Dis 2020; 30:339-348. [PMID: 32346280 DOI: 10.18865/ed.30.2.339] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background and Purpose Blacks have a higher burden of post-stroke disability. Factors associated with racial differences in long-term post-stroke disability are not well-understood. Our aim was to assess the long-term racial differences in risk factors associated with stroke recovery. Methods We examined Health and Retirement Study (HRS) longitudinal interview data collected from adults living with stroke who were aged >50 years during 2000-2014. Analysis of 1,002 first-time, non-Hispanic, Black (210) or White (792) stroke survivors with data on activities of daily living (ADL), fine motor skills (FMS) and gross motor skills (GMS) was conducted. Ordinal regression analysis was used to assess the impact of sex, race, household residents, household income, comorbidities, and the time since having a stroke on functional outcomes. Results Black stroke survivors were younger compared with Whites (69 ± 10.4 vs 75 ± 11.9). The majority (~65%) of Black stroke survivors were female compared with about 54% White female stroke survivors (P=.007). Black stroke survivors had more household residents (P<.001) and comorbidities (P<.001). Aging, being female, being Black and a longer time since stroke were associated with a higher odds of having increased difficulty in ADL, FMS and/or GMS. Comorbidities were associated with increased difficulty with GMS. Black race increased the impact of comorbidities on ADL and FMS in comparison with Whites. Conclusion Our data suggest that the effects of aging, sex and unique factors associated with race should be taken into consideration for future studies of post-stroke recovery and therapy.
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Affiliation(s)
- Joy N J Buie
- WISSDOM Center, Medical University of South Carolina, Charleston, SC
| | - Yujing Zhao
- Division of Infectious Diseases, Medical University of South Carolina, Charleston, SC
| | - Suzanne Burns
- WISSDOM Center, Medical University of South Carolina, Charleston, SC.,School of Occupational Therapy, Texas Women's University, Denton, TX
| | - Gayenell Magwood
- WISSDOM Center, Medical University of South Carolina, Charleston, SC.,College of Nursing Medical University of South Carolina, Charleston, SC
| | - Robert Adams
- WISSDOM Center, Medical University of South Carolina, Charleston, SC
| | | | - Daniel T Lackland
- WISSDOM Center, Medical University of South Carolina, Charleston, SC
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11
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Buie JN, Magwood G, Sims-Robinson C, Lackland D, Adams R. Abstract WP485: Racial Differences in the Association Between Central Hemodynamic Parameters and Neuropsychological Assessments. Stroke 2020. [DOI: 10.1161/str.51.suppl_1.wp485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Despite a significantly younger at time of stroke, African Americans are at increased risk for post-stroke cognitive impairment compared to whites. Although central arterial stiffness is a well-established correlate of cognitive function in whites, its predictive value in African Americans is not well characterized. We hypothesized that arterial stiffness measures previously associated with declines in cognition may be more robust in African Americans compared to whites.
Methods:
We administered the Mini Mental State Examination (MMSE), Trail Making Test Part-A (TMTA) and Part-B (TMTB), and Symbol Digit Modalities Test (SDMT) to 54 stroke-free adults (28 African Americans and 26 whites). Central hemodynamic parameters including carotid-femoral pulse wave velocity (PWV), central systolic blood pressure (cSBP), central pulse pressure (cPP), and heart rate-corrected augmentation index (AIx@75) were recorded for each study participant. Univariate analysis was used to evaluate age, sex and mean arterial pressure (MAP) mean-adjusted differences in central hemodynamics. We also evaluated associations between central hemodynamics and neuropsychological test by race.
Results:
Mean-adjusted PWV values were significantly higher in African Americans compared to whites with values ranging from 8.8 m/s to 7.8 m/s, respectively. Adjusted mean cSBP and AIx@75 were also significantly increased in African Americans. Among whites, unadjusted PWV values were negatively associated with TMTA and TMTB z-scores. Unadjusted AIx@75 was negatively associated with TMTB z-scores in African Americans but not whites. African Americans with MMSE and SDMT z-scores <0 had higher PWV values compared to whites ((9.4 m/s vs 7.9 m/s) and (9.7 m/s vs 7.7 m/s), respectively) and those with TMTB z-scores <0 had higher cSBP values (123.1 mmHg vs 114.4 mmHg).
Conclusion:
African Americans had higher arterial stiffness compared to whites. Neuropsychological test were associated with arterial stiffness in white study participants but only arterial wave reflections in African Americans. Longitudinal follow-up is warranted to assess specific central hemodynamic parameters associated with cognitive impairments and dementia in African Americans.
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Affiliation(s)
- Joy N Buie
- Neurology, Med Univ of South Carolina, Charleston, SC
| | | | | | | | - Robert Adams
- Neurology, Med Univ of South Carolina, Charleston, SC
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12
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Buie JNJ, Hammad SM, Nietert PJ, Magwood G, Adams RJ, Bonilha L, Sims-Robinson C. Differences in plasma levels of long chain and very long chain ceramides between African Americans and whites: An observational study. PLoS One 2019; 14:e0216213. [PMID: 31067249 PMCID: PMC6505935 DOI: 10.1371/journal.pone.0216213] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 04/16/2019] [Indexed: 01/01/2023] Open
Abstract
Background Population-wide reductions in cardiovascular disease (CVD) have not been equally shared in the African American community due to a higher burden of CVD risk factors such as metabolic disorders and obesity. Differential concentrations of sphingolipids such as ceramide, sphingosine, and sphingosine 1-phosphate (S1P) has been associated with the development of CVD, metabolic disorders (MetD), and obesity. Whether African Americans have disparate expression levels of sphingolipids that explain higher burdens of CVD remains unknown. Methods A cross sectional analysis of plasma concentrations of ceramides, sphingosine, and S1P were measured from 8 whites and 7 African Americans without metabolic disorders and 7 whites and 8 African Americans with metabolic disorders using high performance liquid chromatography/tandem mass spectrometry methodology (HPLC/MS-MS). Subjects were stratified by both race and metabolic status. Subjects with one or more of the following physician confirmed diagnosis: diabetes, hypertension, hypercholesterolemia, or dyslipidemia were classified as having metabolic disease (MetD). Data was analyzed using a Two-Way ANOVA and Tukey’s post hoc test. Results Total ceramide levels were increased in African Americans compared to African Americans with MetD. Ceramide C16 levels were higher in whites with MetD compared to African Americans with MetD (p<0.05). Ceramide C20 levels were higher in whites with MetD compared to whites. Ceramide C20 levels were higher in African Americans compared to African Americans with MetD. Furthermore, whites with MetD had higher levels of C20 compared to African Americans with MetD (p<0.0001). Ceramide C24:0 and C24:1 in African Americans was higher compared to African Americans with MetD (p<0.05). The plasma concentration of Sph-1P ceramide was higher in African Americans vs whites (p = 0.01). Lastly, ceramide C20 negatively correlated with hemoglobin A1c (HbA1c) levels in our study cohort. Conclusions Plasma ceramide concentration patterns are distinct in African Americans with MetD. Further research with larger samples sizes are needed to confirm these findings and to understand whether racial disparities in sphingolipid concentrations have potential therapeutic implications for CVD-related health outcomes.
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Affiliation(s)
- Joy N. Jones Buie
- WISSDOM Center, Medical University of South Carolina, Charleston, SC, United States of America
- Department of Neurology, Medical University of South Carolina, Charleston, SC, United States of America
| | - Samar M. Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, United States of America
| | - Paul J. Nietert
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States of America
| | - Gayenell Magwood
- WISSDOM Center, Medical University of South Carolina, Charleston, SC, United States of America
- College of Nursing, Medical University of South Carolina, Charleston, SC, United States of America
| | - Robert J. Adams
- WISSDOM Center, Medical University of South Carolina, Charleston, SC, United States of America
- Department of Neurology, Medical University of South Carolina, Charleston, SC, United States of America
| | - Leonardo Bonilha
- WISSDOM Center, Medical University of South Carolina, Charleston, SC, United States of America
- Department of Neurology, Medical University of South Carolina, Charleston, SC, United States of America
| | - Catrina Sims-Robinson
- WISSDOM Center, Medical University of South Carolina, Charleston, SC, United States of America
- Department of Neurology, Medical University of South Carolina, Charleston, SC, United States of America
- * E-mail:
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13
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Burns SP, Mueller M, Magwood G, White BM, Lackland D, Ellis C. Racial and ethnic differences in post-stroke subjective cognitive decline exist. Disabil Health J 2019; 12:87-92. [DOI: 10.1016/j.dhjo.2018.08.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 07/27/2018] [Accepted: 08/01/2018] [Indexed: 11/26/2022]
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14
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Walter KR, Ford ME, Gregoski MJ, Kramer RM, Knight KD, Spruill L, Nogueira LM, Krisanits BA, Phan V, La Rue AC, Lilly MB, Ambs S, Chan K, Turner TF, Varner H, Singh S, Uribarri J, Garrett-Mayer E, Armeson KE, Hilton EJ, Clair MJ, Taylor MH, Abbott AM, Findlay VJ, Peterson LL, Magwood G, Turner DP. Advanced glycation end products are elevated in estrogen receptor-positive breast cancer patients, alter response to therapy, and can be targeted by lifestyle intervention. Breast Cancer Res Treat 2018; 173:559-571. [PMID: 30368741 PMCID: PMC6394600 DOI: 10.1007/s10549-018-4992-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/03/2018] [Indexed: 12/18/2022]
Abstract
Purpose Lifestyle factors associated with personal behavior can alter tumor-associated biological pathways and thereby increase cancer risk, growth, and disease recurrence. Advanced glycation end products (AGEs) are reactive metabolites produced endogenously as a by-product of normal metabolism. A Western lifestyle also promotes AGE accumulation in the body which is associated with disease phenotypes through modification of the genome, protein crosslinking/dysfunction, and aberrant cell signaling. Given the links between lifestyle, AGEs, and disease, we examined the association between dietary-AGEs and breast cancer. Methods We evaluated AGE levels in bio-specimens from estrogen receptor-positive (ER+) and estrogen receptor-negative (ER−) breast cancer patients, examined their role in therapy resistance, and assessed the ability of lifestyle intervention to reduce circulating AGE levels in ER+ breast cancer survivors. Results An association between ER status and AGE levels was observed in tumor and serum samples. AGE treatment of ER+ breast cancer cells altered ERα phosphorylation and promoted resistance to tamoxifen therapy. In a proof of concept study, physical activity and dietary intervention was shown to be viable options for reducing circulating AGE levels in breast cancer survivors. Conclusions There is a potential prognostic and therapeutic role for lifestyle derived AGEs in breast cancer. Given the potential benefits of lifestyle intervention on incidence and mortality, opportunities exist for the development of community health and nutritional programs aimed at reducing AGE exposure in order to improve breast cancer prevention and treatment outcomes. Electronic supplementary material The online version of this article (10.1007/s10549-018-4992-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Katherine R Walter
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Marvella E Ford
- Department of Public Health Sciences, MUSC, Charleston, SC, USA. .,Hollings Cancer Center, MUSC, Charleston, SC, USA. .,James E. Clyburn Research Center Medical University of South Carolina, Charleston, SC, 29425, USA.
| | - Mathew J Gregoski
- Department of Exercise Science, College of Arts and Sciences, Campbell University, Buies Creek, NC, USA
| | | | | | - Laura Spruill
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Lourdes M Nogueira
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Bradley A Krisanits
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Van Phan
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Amanda C La Rue
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA.,Hollings Cancer Center, MUSC, Charleston, SC, USA.,Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, USA
| | - Michael B Lilly
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Stefan Ambs
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - King Chan
- Cancer Research Technology Program, Leidos Biomedical Research, Frederick National Laboratory, Frederick, MD, USA
| | | | - Heidi Varner
- Department of Public Health Sciences, MUSC, Charleston, SC, USA
| | - Shweta Singh
- Department of Public Health Sciences, MUSC, Charleston, SC, USA
| | - Jaime Uribarri
- Department of Medicine/Renal Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Elizabeth Garrett-Mayer
- Department of Public Health Sciences, MUSC, Charleston, SC, USA.,Hollings Cancer Center, MUSC, Charleston, SC, USA
| | - Kent E Armeson
- Department of Public Health Sciences, MUSC, Charleston, SC, USA.,Hollings Cancer Center, MUSC, Charleston, SC, USA
| | - Ebony J Hilton
- Department of Anesthesia and Perioperative Medicine, MUSC, Charleston, SC, USA
| | - Mark J Clair
- Department of Medicine, Division of Cardiology, MUSC, Charleston, SC, USA
| | - Marian H Taylor
- Department of Medicine, Division of Cardiology, MUSC, Charleston, SC, USA
| | | | - Victoria J Findlay
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA.,Department of Public Health Sciences, MUSC, Charleston, SC, USA
| | | | | | - David P Turner
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), Charleston, SC, USA. .,Department of Public Health Sciences, MUSC, Charleston, SC, USA. .,James E. Clyburn Research Center Medical University of South Carolina, Charleston, SC, 29425, USA.
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15
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Bauza C, Yeatts SD, Borg K, Magwood G, Martin RH, Selassie A, Ford ME. Determining the joint effect of obesity and diabetes on functional disability at 3-months and on all-cause mortality at 1-year following an ischemic stroke. BMC Endocr Disord 2018; 18:40. [PMID: 29914457 PMCID: PMC6006988 DOI: 10.1186/s12902-018-0255-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 05/03/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Obesity and diabetes mellitus, or diabetes, are independently associated with post-ischemic stroke outcomes (e.g., functional disability and all-cause mortality). Although obesity and diabetes are also associated with post-ischemic stroke outcomes, the joint effect of obesity and diabetes on these post-ischemic stroke outcomes has not been explored previously. The purpose of the current study was to explore whether the effect of obesity on post-ischemic stroke outcomes differed by diabetes status in a cohort of acute ischemic stroke subjects with at least a moderate stroke severity. METHODS Data from the Interventional Management of Stroke (IMS) III clinical trial was analyzed for this post-hoc analysis. A total of 656 subjects were enrolled in IMS III and were followed for one year. The joint effects of obesity and diabetes on functional disability at 3-months and all-cause mortality at 1-year were examined. RESULTS Of 645 subjects with complete obesity and diabetes information, few were obese (25.74%) or had diabetes (22.64%). Obese subjects with diabetes and non-obese subjects without diabetes had similar odds of functional disability at 3-months following an ischemic stroke (adjusted common odds ratio, 1.038, 95% CI: 0.631, 1.706). For all-cause mortality at 1-year following an ischemic stroke, obese subjects with diabetes had a similar hazard compared with non-obese subjects without diabetes (adjusted hazard ratio, 1.005, 95% CI: 0.559, 1.808). There was insufficient evidence to declare a joint effect between obesity and diabetes on either the multiplicative scale or the additive scale for both outcomes. CONCLUSIONS In this post-hoc analysis of data from the IMS III clinical trial of acute ischemic stroke patients with at least a moderate stroke severity, there was not sufficient evidence to determine that the effect of obesity differed by diabetes status on post-ischemic stroke outcomes. Additionally, there was not sufficient evidence to determine that either factor was independently associated with all-cause mortality. Future studies could differentiate between metabolically healthy and metabolically unhealthy patients within BMI categories to determine if the effect of obesity on post-stroke outcomes differs by diabetes status.
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Affiliation(s)
- Colleen Bauza
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
- Department of Health Informatics, Johns Hopkins All Children’s Hospital, 601 5th Street South, Suite 707, St. Petersburg, FL 33701 USA
| | - Sharon D. Yeatts
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
| | - Keith Borg
- Department of Emergency Medicine, Medical University of South Carolina, Charleston, SC USA
| | - Gayenell Magwood
- Department of Nursing, Medical University of South Carolina, Charleston, SC USA
| | - Renee’ H. Martin
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
| | - Anbesaw Selassie
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
| | - Marvella E. Ford
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
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16
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Burns SP, White BM, Magwood G, Ellis C, Logan A, Jones Buie JN, Adams RJ. Racial and ethnic disparities in stroke outcomes: a scoping review of post-stroke disability assessment tools. Disabil Rehabil 2018; 41:1835-1845. [PMID: 29569497 DOI: 10.1080/09638288.2018.1448467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Purpose: To identify how post-stroke disability outcomes are assessed in studies that examine racial/ethnic disparities and to map the identified assessment content to the International Classification of Functioning, Disability, and Health (ICF) across the time course of stroke recovery. Methods: We conducted a scoping review of the literature. Articles published between January 2001 and July 2017 were identified through Scopus, PubMed, CINAHL, and PsycINFO according to predefined inclusion and exclusion criteria. Results: We identified 1791 articles through database and hand-searching strategies. Of the articles, 194 met inclusion criteria for full-text review, and 41 met inclusion criteria for study inclusion. The included studies used a variety of outcome measures encompassing domains within the ICF: body functions, activities, participation, and contextual factors across the time course of stroke recovery. We discovered disproportionate representation among racial/ethnic groups in the post-stroke disability disparities literature. Conclusions: A wide variety of assessments are used to examine disparities in post-stroke disability across the time course of stroke recovery. Several studies have identified disparities through a variety of assessments; however, substantial problems abound from the assessments used including inconsistent use of assessments, lacking evidence on the validity of assessments among racial/ethnic groups, and inadequate representation among all racial/ethnic populations comprising the US. Implications for Rehabilitation An enhanced understanding of racial/ethnic disparities in post-stroke disability outcomes is inherently important among rehabilitation practitioners who frequently engage with racial/ethnic minority populations across the time course of stroke recovery. Clinicians should carefully consider the psychometric properties of assessment tools to counter potential racial bias. Clinicians should be aware that many assessments used in stroke rehabilitation lack cultural sensitivity and could result in inaccurate assessment findings.
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Affiliation(s)
- Suzanne Perea Burns
- a WISSDOM Center , Medical University of South Carolina , Charleston , SC , USA
| | - Brandi M White
- b College of Health Sciences , University of Kentucky , Lexington , KY , USA
| | - Gayenell Magwood
- a WISSDOM Center , Medical University of South Carolina , Charleston , SC , USA.,c College of Nursing , Medical University of South Carolina , Charleston , SC , USA
| | - Charles Ellis
- d Department of Communication Sciences and Disorders , East Carolina University , Greenville , NC , USA
| | - Ayaba Logan
- e Department of Library Science and Informatics , Medical University of South Carolina , Charleston , SC , USA
| | - Joy N Jones Buie
- a WISSDOM Center , Medical University of South Carolina , Charleston , SC , USA
| | - Robert J Adams
- a WISSDOM Center , Medical University of South Carolina , Charleston , SC , USA.,f Department of Neurology , Medical University of South Carolina , Charleston , SC , USA
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Adams RJ, Ellis C, Magwood G, Kindy MS, Bonilha L, Lackland DT. Commentary: Addressing Racial Disparities in Stroke: The Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM). Ethn Dis 2018; 28:61-68. [PMID: 29467568 DOI: 10.18865/ed.28.1.61] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Racial-ethnic disparities in stroke recovery are well-established in the United States but the underlying causes are not well-understood. The typical assumption that racial-ethnic disparities in stroke recovery are explained by health care access inequities may be simplistic as access to stroke-related rehabilitation, for example, does not adequately explain the observed disparities. To approach the problem in a more comprehensive fashion, the Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM) was developed to bring together scientists from Regenerative Medicine, Neurology, Rehabilitation, and Nursing to examine disparities in stroke "recovery." As a result, three related projects (basic science, clinical science and population science) were designed utilizing animal modeling, mapping of brain connections, and community-based interventions. In this article we describe: 1) the goals and objectives of the individual projects; and 2) how these projects could provide critical evidence to explain why racial-ethnic minorities traditionally experience recovery trajectories that are worse than Whites.
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Affiliation(s)
- Robert J Adams
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,Department of Neurology, Medical University of South Carolina, Charleston, SC
| | - Charles Ellis
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,Department of Communication Sciences and Disorders, East Carolina University, Greenville, NC
| | - Gayenell Magwood
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,College of Nursing, Medical University of South Carolina, Charleston, SC
| | - Mark S Kindy
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,Department of Molecular Pharmacology & Physiology, University of South Florida, Tampa, FL
| | - Leonardo Bonilha
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,Department of Neurology, Medical University of South Carolina, Charleston, SC
| | - Daniel T Lackland
- Wide Spectrum Investigation of Stroke Outcome Disparities on Multiple Levels (WISSDOM), Charleston, SC.,Department of Neurology, Medical University of South Carolina, Charleston, SC
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18
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Ellis C, Magwood G, White BM. Racial Differences in Patient-Reported Post-Stroke Disability in Older Adults. Geriatrics (Basel) 2017; 2:geriatrics2020016. [PMID: 31011026 PMCID: PMC6371106 DOI: 10.3390/geriatrics2020016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/24/2017] [Accepted: 05/21/2017] [Indexed: 11/16/2022] Open
Abstract
Longstanding disparities have been reported in stroke-related outcomes with blacks experiencing more post-stroke disabilities. Little is known about long-term disability outcomes among older stroke survivors. This study was a retrospective analysis of data from the 2015 National Health Interview Survey (NHIS). A group of 655 stroke survivors (541 white and 114 black) age 65 and older were asked to rate their ability to complete 10 functional tasks without special equipment. Univariate comparisons were completed using t-tests and chi-square statistics for racial comparisons of disability reports. Multinomial logistic regression was used to determine odds of reporting disability after controlling for relevant covariates. The mean age of the sample was 76.6 years. After controlling for relevant covariates, white stroke survivors were less likely to report the following tasks being "very difficult/can't do at all" without using special equipment compared to blacks: reach overhead (OR = 0.39, 95% CI 0.23⁻0.65; p = 0.000) and grasp small objects (OR = 0.42, 95% CI 0.25⁻0.73; p = 0.002). Both black and white older stroke survivors experience significant post-stroke disability across a range of functional tasks. Slightly greater long term post-stroke disability appears to exist among older blacks.
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Affiliation(s)
- Charles Ellis
- Department of Communication Sciences & Disorders, College of Allied Health Sciences, East Carolina University, 3310H Health Sciences Building, MS 668, Greenville, NC 27834, USA.
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, 97 Jonathan Lucas Ave, Charleston, SC 29425, USA.
| | - Brandi M White
- Division of Healthcare Studies, College of Health Professions, Medical University of South Carolina, 151-B Rutledge Ave, Charleston, SC 29425, USA.
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Abstract
We examined beliefs about genetically targeted care (GTC) among African American men and women in a hospital-based sample and identified sociodemographic, cultural, and clinical factors having significant independent associations with these beliefs. Specifically, beliefs about GTC were evaluated after respondents were randomly primed with a racial or non-racial cue about race and genetics. Despite priming with a racial or non-racial cue, many respondents had positive beliefs about GTC. But, 49% believed that GTC would limit access to medical treatment, 46% believed that people will not trust GTC, and 20% believed that people like them would not benefit from GTC. Racial and non-racial priming did not have significant associations with negative beliefs about GTC. However, cultural beliefs related to temporal orientation were associated significantly with believing that genetically targeted care will limit access to medical treatment. Greater levels of future temporal orientation were associated with a reduced likelihood of endorsing this belief (OR = 0.70, 95% CI = 0.49, 1.01, p = 0.05). Respondents who had a chronic medical condition had an almost three-fold greater likelihood of believing that they would not benefit from GTC (OR = 2.90, 95% CI = 1.00, 8.37, p = 0.05). Greater exposure to information about genetic testing for chronic conditions was also associated with a reduced likelihood of believing that they would not benefit from GTC (OR = 0.40, 95% CI = 0.64, 0.91, p = 0.02). African Americans have diverse beliefs about GTC that should be considered as genetic and genomic services are offered.
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Affiliation(s)
- Chanita Hughes Halbert
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA; Health Equity and Rural Outreach Center, Ralph H. Johnson Department of Medical Affairs, Charleston, SC, USA.
| | - Jasmine A McDonald
- Department of Epidemiology, Columbia University, Mailman School of Public Health, New York, NY, USA
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, Charleston, SC, USA
| | - Melanie Jefferson
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
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Peterson LL, Ford ME, Gregoski MJ, Knight KD, Hilton EJ, Magwood G, Turner DP. Abstract P6-07-12: A physical activity and dietary counseling intervention in breast cancer survivors and changes in known and novel prognostic biomarkers. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p6-07-12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
High rates of overweight/obesity are commonly seen in breast cancer (BC) survivors. Observational data show an association between post-treatment increased weight and lack of physical activity (PA) and risk of BC recurrence and death. Increases in prognostic inflammatory associated biomarkers (BM) such as interleukin-6 (IL6) and C-reactive protein (CRP), and their downstream effects, are linked to overweight/obesity and provide a potential mechanistic explanation for this increase in recurrence risk, but studies are mixed regarding the effect of lifestyle interventions on these BM. In addition, better BM may exist. The Getting on Board with an Active Lifestyle (GOAL) study tested the feasibility of a PA and dietary counseling (DC) intervention in BC survivors and included known BM (IL6 , CRP) as well as a novel BM (advanced glycation end-products [AGEs]). AGEs are reactive metabolites produced by an uncontrolled reaction between sugars and proteins and were selected because they are seen in chronic diseases including: diabetes, neuro-degenerative disorders, stroke, heart disease and more recently, BC. Further, dietary AGEs are consumed in high fat and highly processed foods that contribute to overweight/obesity.
Methods: Ten overweight/obese women (BMI≥25) within 36 months of BC diagnosis (stage I-III) participated in a 12-week supervised PA and DC intervention consisting of two supervised PA sessions per week and weekly DC sessions. Body mass index (BMI), resting heart rate (HR) and blood pressure (BP) and blood samples were collected at baseline, week 4, 8, 12, 24, 36, 52. IL-6, CRP and AGEs were assessed in serum using commercially available 96-well format ELISAs. Data through week 12 is presented here.
Results: Ten participants (four African American) completed the 12-week intervention. The age range of participants was 50-68 years (mean 56 years). The average number of daily active minutes increased significantly between baseline (45) and week 11 (71). There was a drop off at week 12 due to right-censoring of the data. Dietary AGE intake decreased in 8 of 10 participants from baseline to week 12 (average reduction 53%). Significant reductions in mean serum AGEs were seen (baseline=53 ug/ml, week 12=38ug/ml, p<0.001). No correlating reductions in CRP or IL6 were found. Correlations were seen between AGE levels and AGE intake (r=0.24 at week 12). There were no significant correlations between AGE levels and IL6 or CRP. Decreases in BMI (average change -.54 kg/m2), resting HR and BP corroborated with AGE reductions.
Conclusions: The GOAL intervention has the potential to improve PA and dietary AGE intake among overweight/obese BC patients. Participants improved weight, resting HR, BP, and number of daily active minutes; which are important metrics for overall health. There were no changes in IL6 and CRP, but reductions in AGEs correlated with reductions in dietary AGE levels, indicating that serum AGEs may be reduced through diet and PA. Serum AGEs may represent a better BM than IL6 and CRP in BC survivors. Further investigation of AGEs in BC survivors is warranted.
Citation Format: Peterson LL, Ford ME, Gregoski MJ, Knight KD, Hilton EJ, Magwood G, Turner DP. A physical activity and dietary counseling intervention in breast cancer survivors and changes in known and novel prognostic biomarkers [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P6-07-12.
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Affiliation(s)
- LL Peterson
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - ME Ford
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - MJ Gregoski
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - KD Knight
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - EJ Hilton
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - G Magwood
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
| | - DP Turner
- Washington University, St. Louis, MO; Medical University of South Carolina, Charleston, SC
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Ford ME, Magwood G, Brown ET, Cannady K, Gregoski M, Knight KD, Peterson LL, Kramer R, Evans-Knowell A, Turner DP. Disparities in Obesity, Physical Activity Rates, and Breast Cancer Survival. Adv Cancer Res 2016; 133:23-50. [PMID: 28052820 PMCID: PMC6598680 DOI: 10.1016/bs.acr.2016.08.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The significantly higher breast cancer (BCa) mortality rates of African-American (AA) women compared to non-Hispanic (NHW) white women constitute a major US health disparity. Investigations have primarily focused on biological differences in tumors to explain more aggressive forms of BCa in AA women. The biology of tumors cannot be modified, yet lifestyle changes can mitigate their progression and recurrence. AA communities have higher percentages of obesity than NHWs and exhibit inefficient access to care, low socioeconomic status, and reduced education levels. Such factors are associated with limited healthy food options and sedentary activity. AA women have the highest prevalence of obesity than any other racial/ethnic/gender group in the United States. The social ecological model (SEM) is a conceptual framework on which interventions could be developed to reduce obesity. The SEM includes intrapersonal factors, interpersonal factors, organizational relationships, and community/institutional policies that are more effective in behavior modification than isolation from the participants' environmental context. Implementation of SEM-based interventions in AA communities could positively modify lifestyle behaviors, which could also serve as a powerful tool in reducing risk of BCa, BCa progression, and BCa recurrence in populations of AA women.
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Affiliation(s)
- M E Ford
- Medical University of South Carolina, Charleston, SC, United States; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States.
| | - G Magwood
- Medical University of South Carolina, Charleston, SC, United States
| | - E T Brown
- Morehouse School of Medicine, Atlanta, GA, United States
| | - K Cannady
- Medical University of South Carolina, Charleston, SC, United States; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - M Gregoski
- Campbell University, Buies Creek, NC, United States
| | - K D Knight
- Medical University of South Carolina, Charleston, SC, United States; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - L L Peterson
- Washington University School of Medicine, St. Louis, MO, United States
| | - R Kramer
- Medical University of South Carolina, Charleston, SC, United States
| | - A Evans-Knowell
- South Carolina State University, Orangeburg, SC, United States
| | - D P Turner
- Medical University of South Carolina, Charleston, SC, United States; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
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Nichols M, Nemeth LS, Magwood G, Odulana A, Newman S. Exploring the Contextual Factors of Adolescent Obesity in an Underserved Population Through Photovoice. Fam Community Health 2016; 39:301-309. [PMID: 27536935 DOI: 10.1097/fch.0000000000000118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Obesity, a global health epidemic, requires targeted interventions to promote sustainable health behavior change; yet, prior efforts have not yielded significant improvements in obesity rates. Using Photovoice as a data collection approach, this community-engaged research study partnered with a weight management program to understand participants' perspectives on access to physical activity and nutritious food. Twelve adolescent-parent dyads participated. Barriers, facilitators, and opportunities for change were identified and categorized through adolescent photographs, interviews, and participant focus groups, according to the social ecological model. A community-engaged research approach can identify areas to increase health promotion and prevention efforts regarding physical activity and nutrition.
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Affiliation(s)
- Michelle Nichols
- Colleges of Nursing (Drs Nichols, Nemeth, Magwood, and Newman) and Medicine (Dr Odulana), Medical University of South Carolina, Charleston
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Ford ME, Turner DP, Gregoski MJ, Peterson LL, Knight KD, Hilton EJ, Magwood G. Abstract B07: Design and preliminary outcomes of a study to reduce cancer-associated reactive metabolite levels in breast cancer survivors – The RCAM Study. Cancer Epidemiol Biomarkers Prev 2016. [DOI: 10.1158/1538-7755.disp15-b07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
Breast cancer (BCa) is the 2nd leading cause of cancer death in women in the US. African American (AA) women have higher BCa mortality rates and higher obesity rates compared to other women. It is well known that exercise and a healthier diet can improve prognosis among BCa survivors but little is known about their positive effects on common biological pathways involved in BCa recurrence. The RCAM Study is a 1-year study designed to identify bio-behavioral pathways that may impact BCa recurrence. The study evaluates the effect of the intervention on a novel biomarker associated with cancer recurrence advanced glycation end products (AGEs). The intervention, adapted from the highly successful Diabetes Prevention Program (DPP), consists of a 12-week physical activity and dietary counseling program. The supervised physical activity component is conducted twice a week at a local health system's cardiopulmonary rehabilitation center; the individualized dietary counseling component is conducted weekly at the health system's weight management center. The study participants consist of overweight or obese women who received surgery for invasive BCa and who are within 36 months of diagnosis. In addition, adjuvant therapy must have been received at least four weeks prior to study enrollment. To date, 10 participants have completed the 12-week intervention and will be followed for 1 year. Preliminary ELISA data from blood samples collected pre- and post-12 week intervention show significant post-intervention reductions in inflammatory biomarker levels. Commensurate decreases in body mass, resting heart rate, and blood pressure were also seen. The average pre-/post-intervention decrease in AGE levels was not as dramatic for the AA participants, most of whom were morbidly obese at enrollment, as for the European American (EA) women, most of whom were overweight at enrollment. These data demonstrate the high potential of the RCAM intervention in improving prognosis among BCa survivors and show the need to tailor the intervention to meet the specific needs of AA women.
Citation Format: Marvella E. Ford, David P. Turner, Mathew J. Gregoski, Lindsay L. Peterson, Kendrea D. Knight, Ebony J. Hilton, Gayenell Magwood. Design and preliminary outcomes of a study to reduce cancer-associated reactive metabolite levels in breast cancer survivors – The RCAM Study. [abstract]. In: Proceedings of the Eighth AACR Conference on The Science of Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; Nov 13-16, 2015; Atlanta, GA. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2016;25(3 Suppl):Abstract nr B07.
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Affiliation(s)
- Marvella E. Ford
- 1Medical University of South Carolina (MUSC) Hollings Cancer Center, Charleston, SC,
| | - David P. Turner
- 2Medical University of South Carolina (MUSC), Charleston, SC,
| | - Mathew J. Gregoski
- 3Medical University of South Carolina (MUSC) College of Nursing, Charleston, SC
| | - Lindsay L. Peterson
- 1Medical University of South Carolina (MUSC) Hollings Cancer Center, Charleston, SC,
| | - Kendrea D. Knight
- 1Medical University of South Carolina (MUSC) Hollings Cancer Center, Charleston, SC,
| | - Ebony J. Hilton
- 2Medical University of South Carolina (MUSC), Charleston, SC,
| | - Gayenell Magwood
- 3Medical University of South Carolina (MUSC) College of Nursing, Charleston, SC
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Abstract
OBJECTIVE Understanding body size perceptions and discrepancies among African American women may have implications for effective weight-loss interventions. The purpose of this study is to examine body size perceptions of economically disadvantaged, overweight and obese African American women. DESIGN Cross-sectional using baseline data from a randomized controlled trial. SETTING 18 census tracts in a central South Carolina city where ≥ 25% of residents were below poverty income. PARTICIPANTS 147 economically disadvantaged, overweight and obese African American women. MAIN OUTCOME MEASURES Using Pulvers' figure rating scale, participants chose the figure: 1) closest to their current figure; 2) they would be satisfied with; and 3) with a body weight that would be a health problem for the average person. Mean body mass indices corresponding to each figure were compared with those in a large sample of White women. RESULTS Most participants wanted to be smaller (mean=2.6 figures smaller) than their current size. A majority (67%) chose the largest figure as representing a body size that could lead to a health problem, and most (60%) chose a current figure smaller than the figure they believed would be associated with health problems. The mean body mass index for women selecting any given figure as their current size was significantly larger (5.2-10.8 kg/m(2) larger, P<.0001) than those established in the sample of White women. CONCLUSIONS Although women desired a smaller body size, there nonetheless were misperceptions of body size and the associated health consequences. Body size misperceptions and/or satisfaction may pose barriers for effective weight-loss.
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Affiliation(s)
- Meghan Baruth
- 1. Department of Health Science, Saginaw Valley State University
| | | | | | - Sara Wilcox
- 3. Department of Exercise Science and Prevention Research Center at the University of South Carolina
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Hughes Halbert C, Welch B, Lynch C, Magwood G, Rice L, Jefferson M, Riley J. Social determinants of family health history collection. J Community Genet 2015; 7:57-64. [PMID: 26280996 DOI: 10.1007/s12687-015-0251-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 08/06/2015] [Indexed: 11/28/2022] Open
Abstract
Family health history (FHH) is the most basic form of genomic information. Although public health efforts have been made to promote FHH collection, empirical data on the extent to which community residents in rural areas actively collect FHH is limited. Therefore, we examined rates of FHH collection in a community-based sample of South Carolina residents. We conducted a structured telephone survey in a random sample of black and white South Carolina residents. Respondents were asked if they had ever actively collected FHH from relatives using an item developed by the Centers for Disease Control and Prevention. Overall, 42 % of respondents reported that they had actively collected their FHH. Blacks were significantly more likely than whites to have collected their FHH in bivariate analysis, but race did not have a significant association with FHH collection in the multivariate model (OR = 1.36, 95 % CI = 0.79, 2.35, p = 0.26). The likelihood of collecting FHH was increased among respondents whose last medical visit occurred in the past year compared to those whose last medical visit was more than 1 year ago (OR = 2.00, 95 % CI = 1.12, 3.56, p = 0.02). In addition, older respondents had a reduced likelihood of collecting their FHH (OR = 0.69, 95 % CI = 0.53, 0.90, p = .01). Lastly, women were about twice as likely as men to have collected their FHH (OR = 1.83, 95 % CI = 1.12, 2.99, p = 0.02). Greater efforts are needed to increase the collection of FHH information; these efforts may need to target men, the elderly, and individuals who have not had a recent medical visit.
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Affiliation(s)
- Chanita Hughes Halbert
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, 68 President Street, Suite BE103, Charleston, SC, 29425, USA.
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA.
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Veteran Administration Medical Center, Charleston, SC, USA.
| | - Brandon Welch
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Cheryl Lynch
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Veteran Administration Medical Center, Charleston, SC, USA
- Department of Medicine, Division of General Internal Medicine and Geriatrics, Medical University of South Carolina, Charleston, SC, USA
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, Charleston, SC, USA
| | - LaShanta Rice
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, 68 President Street, Suite BE103, Charleston, SC, 29425, USA
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Melanie Jefferson
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, 68 President Street, Suite BE103, Charleston, SC, 29425, USA
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Jodie Riley
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, 68 President Street, Suite BE103, Charleston, SC, 29425, USA
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
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Nichols M, Newman S, Nemeth LS, Magwood G. The influence of parental participation on obesity interventions in african american adolescent females: an integrative review. J Pediatr Nurs 2015; 30:485-93. [PMID: 25648656 DOI: 10.1016/j.pedn.2014.12.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 12/10/2014] [Accepted: 12/10/2014] [Indexed: 11/25/2022]
Abstract
African American adolescent females have the highest prevalence rates of obesity among those age 18 and under. The long-term health effects and associated comorbidities of obesity within this cohort threaten the health and well-being of a major section of the U.S. population. There is a need to understand the influence of parental support in reducing obesity related health disparities. Using a social ecological framework to explore parental influence on adolescent obesity interventions allows for greater insight into the complex and dynamic influences affecting the lives of African American adolescent females who are obese.
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Affiliation(s)
- Michelle Nichols
- Medical University of South Carolina, Charleston, SC; Hunter Holmes McGuire VA Medical Center, Richmond, VA.
| | - Susan Newman
- Medical University of South Carolina, Charleston, SC
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Andrews JO, Mueller M, Newman SD, Magwood G, Ahluwalia JS, White K, Tingen MS. The association of individual and neighborhood social cohesion, stressors, and crime on smoking status among African-American women in southeastern US subsidized housing neighborhoods. J Urban Health 2014; 91:1158-74. [PMID: 25316192 PMCID: PMC4242849 DOI: 10.1007/s11524-014-9911-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The purpose of this study was to examine the associations between individual and neighborhood social contextual factors and smoking prevalence among African-American women in subsidized neighborhoods. We randomly sampled 663 adult women in 17 subsidized neighborhoods in two Southeastern US states. The smoking prevalence among participants was 37.6%, with an estimated neighborhood household prevalence ranging from 30 to 68%. Smokers were more likely to be older, have lower incomes, have lower BMI, and live with other smokers. Women with high social cohesion were less likely to smoke, although living in neighborhoods with higher social cohesion was not associated with smoking prevalence. Women with higher social cohesion were more likely to be older and had lived in the neighborhood longer. Women with high stress (related to violence and disorder) and who lived in neighborhoods with higher stress were more likely to smoke. Younger women were more likely to have higher stress than older women. There were no statistically significant associations with objective neighborhood crime data in any model. This is the first study to examine both individual and neighborhood social contextual correlates among African-American women in subsidized neighborhoods. This study extends findings about smoking behaviors and neighborhood social contexts in this high-risk, urban population. Future research is needed to explore age and residential stability differences and perceptions of social cohesion, neighborhood disorder, and perceived violence in subsidized housing. Further research is also warranted on African-American women, subsidized housing, smoking, social context, health disparities' effective strategies to address these individual and contextual factors to better inform future ecological-based multilevel prevention, and cessation intervention strategies.
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28
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Spruill IJ, Coleman BL, Powell-Young YM, Williams TH, Magwood G. Non-Biological (Fictive Kin and Othermothers): Embracing the Need for a Culturally Appropriate Pedigree Nomenclature in African-American Families. J Natl Black Nurses Assoc 2014; 25:23-30. [PMID: 27134343 PMCID: PMC4847537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Although the Family Health History (FHH) is the most cost-effective tool in the staratification of disense risk, it is not designed to collect information from non-biological family members (NBFM). Significant NBFM, defined as "fictive kin and othermothers," tend to play a major role in the transmission of culture, health promotion, and decision-making; yet, their influence cannot be captured using the standard FHH. Participants attending the National Black Nurses Association (NBNA) 2012 genetic workshop were divided into groups to role-play FHH. All participants (N = 50) indicated difficulties with the standard FHH, ranking collection of sensitive data as the number 1 challenge. Consequently, a new symbol was developed with support from NBNA genetics workshop participants. Having such a symbol afforts an apportunity for inclusion of all NBFM to help guide risk-specific recommendations for disense management, prevention, and health promotion of common chronic diseases. This report will describe the process, presentation, and adoption of the symbol.
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Affiliation(s)
- Ida J Spruill
- Medical University of South Carolina, College of Nursing, Charleston, SC
| | - Bernice L Coleman
- Nursing Research and Development, Nurse Practitioner, Heart Transplant and Mechanical Assist Device Programs, Heart Institute at Cedars Sinai Medical Center, Los Angeles, CA
| | | | - Tiffany H Williams
- Medical University of South Carolina, College of Nursing, Charleston, SC
| | - Gayenell Magwood
- Medical University of South Carolina, College of Nursing, Charleston, SC
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McDonald JA, Vadaparampil S, Bowen D, Magwood G, Obeid JS, Jefferson M, Drake R, Gebregziabher M, Hughes Halbert C. Intentions to donate to a biobank in a national sample of African Americans. Public Health Genomics 2014; 17:173-82. [PMID: 24942180 DOI: 10.1159/000360472] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 02/07/2014] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND/AIMS Despite the investments being made to develop biobanks, African Americans are under-represented in genomic studies. We identified factors having significant independent associations with intentions to donate personal health information and blood and/or tissue samples to a biobank in a national random sample of African Americans (n = 1,033). METHODS We conducted a national survey from October 2010 through February 2011. RESULTS Twenty-three percent of respondents reported that it was not at all likely that they would donate to a biobank, 18% reported it was a little likely, 36% reported it was somewhat likely, and 23% reported it was very likely. Respondents who were likely to donate to a biobank had greater positive expectations about participating in cancer genetics research and reported more participation facilitators relative to barriers. Respondents who were distrustful of researchers had a significantly lower likelihood of being willing to donate to a biobank compared to those who were less distrustful. CONCLUSIONS African Americans have diverse attitudes about participating in genetics research, and many are likely to donate to a biobank based on expectations of positive outcomes. It may be important to address attitudes about genetics research as part of recruitment to enhance the quality of informed consent for participation in biobanks among African Americans.
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Affiliation(s)
- Jasmine A McDonald
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, N.Y., USA
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30
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Zapka J, Amella E, Magwood G, Madisetti M, Garrow D, Batchelor-Aselage M. Challenges in efficacy research: the case of feeding alternatives in patients with dementia. J Adv Nurs 2014; 70:2072-2085. [PMID: 24612316 DOI: 10.1111/jan.12365] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2014] [Indexed: 11/28/2022]
Abstract
AIMS To explore factors at the family caregiver and nursing home administrative levels that may affect participation in a clinical trial to determine the efficacy of hand feeding vs. percutaneous gastrostomy tube feeding in persons with late-stage dementia. BACKGROUND Decision-making regarding use of tube feeding vs. hand feeding for persons with late-stage dementia is fraught with practical, emotional and ethical issues and is not informed by high levels of evidence. DESIGN Qualitative case study. METHODS Transcripts of focus groups with family caregivers were reviewed for themes guided by behavioural theory. Analyses of notes from contacts with nursing home administrators and staff were reviewed for themes guided by an organizational readiness model. Data were collected between the years 2009-2012. RESULTS Factors related to caregiver willingness to participate included understanding of the prognosis of dementia, perceptions of feeding needs and clarity about research protocols. Nursing home willingness to participate was influenced by corporate approval, concerns about legal and regulatory issues, and prior relationships with investigators. CONCLUSION Participation in rigorous trials requires lengthy navigation of complex corporate requirements and training competent study staff. Objective deliberation by caregivers will depend on appropriate recruitment timing, design of recruitment materials and understanding of study requirements. The clinical standards and policy environment and the secular trends there-in have relevance to the responses of people at all levels.
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Affiliation(s)
- Jane Zapka
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Elaine Amella
- College of Nursing, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Gayenell Magwood
- College of Nursing, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Mohan Madisetti
- College of Nursing, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Donald Garrow
- Gulf Comprehensive Gastroenterology, Englewood, Florida, USA
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31
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Andrews JO, Tingen MS, Jarriel SC, Caleb M, Simmons A, Brunson J, Mueller M, Ahluwalia JS, Newman SD, Cox MJ, Magwood G, Hurman C. Application of a CBPR framework to inform a multi-level tobacco cessation intervention in public housing neighborhoods. Am J Community Psychol 2012; 50:129-40. [PMID: 22124619 PMCID: PMC4448934 DOI: 10.1007/s10464-011-9482-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
African American women in urban, high poverty neighborhoods have high rates of smoking, difficulties with quitting, and disproportionate tobacco-related health disparities. Prior research utilizing conventional "outsider driven" interventions targeted to individuals has failed to show effective cessation outcomes. This paper describes the application of a community-based participatory research (CBPR) framework to inform a culturally situated, ecological based, multi-level tobacco cessation intervention in public housing neighborhoods. The CBPR framework encompasses problem identification, planning and feasibility/pilot testing, implementation, evaluation, and dissemination. There have been multiple partners in this process including public housing residents, housing authority administrators, community health workers, tenant associations, and academic investigators. The advisory process has evolved from an initial small steering group to our current institutional community advisory boards. Our decade-long CBPR journey produced design innovations, promising preliminary outcomes, and a full-scaled implementation study in two states. Challenges include sustaining engagement with evolving study partners, maintaining equity and power in the partnerships, and long-term sustainability of the intervention. Implications include applicability of the framework with other CBPR partnerships, especially scaling up evolutionary grassroots involvement to multi-regional partnerships.
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Affiliation(s)
- Jeannette O Andrews
- College of Nursing, Medical University of South Carolina, 99 Jonathon Lucas Street, MSC 160, Charleston, SC 29426-1600, USA.
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Davis BH, Pope C, Mason PR, Magwood G, Jenkins CM. "It's a wild thing, waiting to get me": stance analysis of African Americans with diabetes. Diabetes Educ 2011; 37:409-18. [PMID: 21515541 DOI: 10.1177/0145721711404439] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE This mixed methods study uses a unique approach from social science and linguistics methodologies, a combination of positioning theory and stance analysis, to examine how 20 African Americans with type 2 diabetes make sense of the practices that led to recurrent emergency department visits to identify needs for more effective intervention. METHODS In a purposive sample of postemergency department visit interviews with a same-race interviewer, people responded to open-ended questions reflecting on the decision to seek emergency department care. As applied to diabetes education, positioning theory explains that people use their language to position themselves toward their disease, their medications, and the changes in their lives. Transcriptions were coded using discourse analysis to categorize themes. As a form of triangulation, stance analysis measured language patterns using factor analysis to see when and how speakers revealed affect, attitude, and agentive choices for action. CONCLUSION Final analysis revealed that one third of the sample exhibited high scores for positive agency or capacity for decision-making and self-management, while the rest expressed less control and more negative emotions and fears that may preclude self-management. This approach suggests a means to tailor diabetes education considering alternative approaches focused on communication for those facing barriers.
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Affiliation(s)
- Boyd H Davis
- The Department of English/Applied Linguistics, University of North Carolina at Charlotte, North Carolina (Dr Davis)
| | - Charlene Pope
- Charleston REAP, Ralph H. Johnson Department of Veterans Affairs Medical Center, (Dr Pope),Medical University of South Carolina College of Nursing, Charleston, South Carolina (Dr Pope, Dr Magwood, Dr Jenkins)
| | - Peyton R Mason
- Next Generation Marketing Insights, Charlotte, North Carolina (Dr Mason)
| | - Gayenell Magwood
- Medical University of South Carolina College of Nursing, Charleston, South Carolina (Dr Pope, Dr Magwood, Dr Jenkins)
| | - Carolyn M Jenkins
- Medical University of South Carolina College of Nursing, Charleston, South Carolina (Dr Pope, Dr Magwood, Dr Jenkins)
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Jenkins C, Pope C, Magwood G, Vandemark L, Thomas V, Hill K, Linnen F, Beck LS, Zapka J. Expanding the chronic care framework to improve diabetes management: the REACH case study. Prog Community Health Partnersh 2010; 4:65-79. [PMID: 20364080 DOI: 10.1353/cpr.0.0108] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Reducing the burden of chronic conditions among minorities requires novel approaches to prevent and manage disease. OBJECTIVES This paper describes the expansion of the Chronic Care Model (CCM) to include a community focus for improving diabetes self-management and reducing health disparities. METHODS The literature review assesses the concept of "community" in improving outcomes as viewed by proponents of the CCM for chronic disease. The CCM was then modified and informed by experiences of a major community-based participatory action initiative to improve diabetes outcomes, the Racial and Ethnic Approaches to Community Health (REACH) Charleston and Georgetown Diabetes Coalition. RESULTS Based on our experiences with community-based and health systems diabetes interventions, we present examples of improvements within both health delivery practice sites and other community systems that are essential for improving diabetes outcomes and reducing disparities. Building on the Centers for Disease Control and Prevention's (CDC) principles of community involvement, our coalition activities provide examples of working with community partners to frame this enhanced ecologically grounded Community CCM (CCCM). CONCLUSION The resulting CCCM integrates expanded conceptual frameworks, evidence-based practice, community-based evidence and participatory actions, and highlights the possibilities and challenges for improving chronic disease outcomes and reducing disparities via community programs that foster individual, systems, community, and policy change.
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Affiliation(s)
- Carolyn Jenkins
- Medical University of South Carolina, College of Nursing, SC, USA
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Carlson BA, Neal D, Magwood G, Jenkins C, King MG, Hossler CL. A community-based participatory health information needs assessment to help eliminate diabetes information disparities. Health Promot Pract 2006; 7:213S-22S. [PMID: 16760247 DOI: 10.1177/1524839906288694] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This article describes the participatory research process, results, action plan, and implications of the community health information needs assessment conducted within the African American community in two South Carolina counties. The REACH 2010: Charleston and Georgetown Diabetes Coalition library program is a partnership among community organizations, public and health sciences libraries, and lay community health advisors. A planning committee studied digital divide issues related to health information, designed and implemented a survey, held focus groups, analyzed data, identified needs and assets, and formulated an action plan to increase the dissemination of diabetes information. Key survey findings show that older (older than 60) and less educated (fewer than 12 years of education) African Americans in Charleston and Georgetown counties lack skills to access Internet and library services and suffer disparities in health information. Based on assessment evidence, the community plans to increase Internet access points and provide a train-the-trainer program to teach people skills for using Internet and library resources to get high-quality information about diabetes and its complications. This process taps community resources, builds local capacities and technical skills, educates about health, and empowers participants as active partners in their own health and their community's health.
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Affiliation(s)
- Barbara A Carlson
- REACH 2010 Charleston and Georgetown Diabetes Coalition, Department of Library Science and Informatics, Medical University of South Carolina in Charleston, South Carolina, USA.
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Neal D, Magwood G, Jenkins C, Hossler CL. Racial Disparity in the Diagnosis of Obesity among People with Diabetes. J Health Care Poor Underserved 2006. [DOI: 10.1353/hpu.2006.0077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
Studies have suggested that many of the estimated 30.5% of all adults, and 54.8% of adults with diabetes, who have a body mass index (BMI) of 30 or greater do not have a diagnosis of obesity. The records of 265 people with diabetes in the Racial and Ethnic Approaches to Community Health (REACH) 2010 Charleston community were audited for race, sex, BMI, and a documentation of obesity, to determine the likelihood of a diagnosis of obesity for people with BMI of 30 or greater, based on race and sex. Significant differences in diagnosis were observed by race, with three times as many records of obese White people with diabetes containing a diagnosis of obesity as of diabetic African Americans. Disparities in prevalence of obesity based on a BMI of 30 or greater were observed as well, with a higher proportion of African Americans meeting the criteria. Studies suggest that these disparities may contribute to the increased burden of disease experienced by African Americans with diabetes.
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Affiliation(s)
- Diane Neal
- College of Nursing, Medical University of South Carolina, Charleston, South Carolina, USA
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Jenkins C, McNary S, Carlson BA, King MG, Hossler CL, Magwood G, Zheng D, Hendrix K, Beck LS, Linnen F, Thomas V, Powell S, Ma'at I. Reducing disparities for African Americans with diabetes: progress made by the REACH 2010 Charleston and Georgetown Diabetes Coalition. Public Health Rep 2004; 119:322-30. [PMID: 15158111 PMCID: PMC1497632 DOI: 10.1016/j.phr.2004.04.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Racial and Ethnic Approaches to Community Health (REACH 2010) is a U.S. Centers for Disease Control and Prevention demonstration program that responds to the U.S. Department of Health and Human Services' goal to eliminate racial and ethnic disparities in health status by the year 2010. As part of REACH 2010, community projects were funded to develop, implement, and evaluate community action plans to improve health care and outcomes for racial and ethnic populations. This article describes the program and details the progress of the REACH 2010: Charleston and Georgetown Diabetes Coalition in reducing disparities in care. Approaches employed by the Coalition included community development, empowerment, and education related to diabetes; health systems change associated with access, care, and education; and coalition advocacy. Racial disparities were identified for 12,000 African Americans with diabetes in this urban/rural South Carolina community. After 24 months, significant differences that initially ranged from 11% to 28% in African Americans (when compared with whites/others) were not observed on 270 chart audits for A1C, lipid and kidney testing, eye examinations, and blood pressure control. Future efforts will focus on maintaining progress, eliminating other disparities, and identifying the contributions of each intervention in eliminating racial disparities.
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Affiliation(s)
- Carolyn Jenkins
- College of Nursing, Medical University of South Carolina, Charleston, SC 29425, USA.
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King MG, Jenkins C, Hossler C, Carlson B, Magwood G, Hendrix K. People with diabetes: knowledge, perceptions, and applications of recommendations for diabetes management. Ethn Dis 2004; 14:S128-33. [PMID: 15682782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
The purpose of this paper is to report results of the People with Diabetes survey conducted as part of the REACH 2010: Charleston and Georgetown Diabetes Coalition. The pilot data revealed that African Americans (AAs) (N=80) reported fewer A1c, lipid, and kidney testing, feet and eye exams, and less nutrition and diabetes self-management counseling during 1999-2000 than did Caucasians (Cs) (N=23). The survey was repeated in 2002 when data were collected from a convenience sample of 160 AAs and 150 Cs using the revised self-reported survey instrument. African Americans (AAs) were significantly likely to report that their understanding of results for the kidney function test were good as compared to Cs (P<.001) and were more likely to report receiving nutrition education (P=.003). Otherwise, there were no significant differences between AAs and Cs on the remaining items in the survey. Since REACH 2010 was actively involved in the AA community for 2 years between the pilot survey and the repeated survey, these results were anticipated and are also reflected in results of chart audits conducted within healthcare systems used by the same AA population.
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Affiliation(s)
- Marilyn Givens King
- Medical University of South Carolina College of Nursing, Charleston, South Carolina 29425, USA.
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Abu-Realh MH, Magwood G, Narayan MC, Rupprecht C, Suraci M. The use of complementary therapies by cancer patients. Nursingconnections 1996; 9:3-12. [PMID: 9110793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Since the beginning of time, persons with acute or chronic diseases have sought added control over their fates in the form of whatever therapies offered hope. Although conventional treatments for cancer have been proven to lower mortality rates significantly, patients continue to look for more ways to combat their illnesses. Little in the literature supports the actual frequency of use of such therapies, nor do we have published data to support the general assumption that their popularity is growing. This group of researchers reanalyzed data from the Cancer Survivorship Questionnaire of the 1992 National Health Interview Survey to compare the use of self-healing and psychosocial techniques before and after 1987. Using Martha Roger's conceptual framework of the Science of Unitary Human Beings, these therapies were viewed as unitary field practice modalities. Results of the secondary analysis of data from 2970 patients revealed that use of additional therapies increased by 63.9% after 1987.
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Affiliation(s)
- M H Abu-Realh
- Health Policy Office, George Mason University, Fairfax, Va., USA
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