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Mendenhall E, Musau A, Bosire E, Mutiso V, Ndetei D, Rock M. What drives distress? Rethinking the roles of emotion and diagnosis among people with diabetes in Nairobi, Kenya. Anthropol Med 2020; 27:252-267. [PMID: 32755267 DOI: 10.1080/13648470.2019.1650243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Type 2 diabetes mellitus is a condition that both results from and produces social and psychological suffering. As 'diabetes' increases among low income patients in poorer nations, new challenges arise that drive, co-occur, and result from the condition. In this article, we describe how social suffering produces diabetes by way of addressing the varied social, psychological, and biological factors that drive diabetes and are reflected in diabetes experiences among patients seeking care at a public hospital in Nairobi, Kenya. We recruited a non-probability sample to participate in a cross-sectional study of 100 patients (aged 35-65 years), where half of the participants sought care from a diabetes clinic and half sought care from the primary healthcare clinic. We obtained informed consent in writing, and collected life history narratives, surveys, anthropometrics, and biomarkers. This paper evaluates survey data using frequencies and regression tables. We found that social factors as opposed to disease factors were major drivers of psychological distress among those with and without diabetes. Psychological distress was associated with female gender and feelings of financial and personal insecurity. We also found insulin resistance was common among those undiagnosed with diabetes, suggesting that many seeking primary care for other health conditions did not receive a routine diabetes test (most likely because it is an out-of-pocket cost, or other competing social factors) and therefore delayed their diagnosis and care. Thus, social and economic factors may drive not only emotional distress among people with diabetes but also delayed care seeking, testing, and self-care as a result of cost and other social challenges.
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Affiliation(s)
- Emily Mendenhall
- School of Foreign Service, Georgetown University, Washington, DC, USA
| | | | - Edna Bosire
- Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | | | - David Ndetei
- Africa Mental Health Foundation, Nairobi, Kenya.,Department of Psychiatry, University of Nairobi, Nairobi, Kenya
| | - Melanie Rock
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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Paquet C, Chaix B, Howard NJ, Coffee NT, Adams RJ, Taylor AW, Thomas F, Daniel M. Geographic Clustering of Cardiometabolic Risk Factors in Metropolitan Centres in France and Australia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13050519. [PMID: 27213423 PMCID: PMC4881144 DOI: 10.3390/ijerph13050519] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 04/22/2016] [Accepted: 05/16/2016] [Indexed: 11/16/2022]
Abstract
Understanding how health outcomes are spatially distributed represents a first step in investigating the scale and nature of environmental influences on health and has important implications for statistical power and analytic efficiency. Using Australian and French cohort data, this study aimed to describe and compare the extent of geographic variation, and the implications for analytic efficiency, across geographic units, countries and a range of cardiometabolic parameters (Body Mass Index (BMI) waist circumference, blood pressure, resting heart rate, triglycerides, cholesterol, glucose, HbA1c). Geographic clustering was assessed using Intra-Class Correlation (ICC) coefficients in biomedical cohorts from Adelaide (Australia, n = 3893) and Paris (France, n = 6430) for eight geographic administrative units. The median ICC was 0.01 suggesting 1% of risk factor variance attributable to variation between geographic units. Clustering differed by cardiometabolic parameters, administrative units and countries and was greatest for BMI and resting heart rate in the French sample, HbA1c in the Australian sample, and for smaller geographic units. Analytic inefficiency due to clustering was greatest for geographic units in which participants were nested in fewer, larger geographic units. Differences observed in geographic clustering across risk factors have implications for choice of geographic unit in sampling and analysis, and highlight potential cross-country differences in the distribution, or role, of environmental features related to cardiometabolic health.
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Affiliation(s)
- Catherine Paquet
- Centre for Population Health Research, School of Health Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide SA 5001, Australia.
- Research Center of the Douglas Mental Health University Institute, Montréal, QC H4H 1R3, Canada.
| | - Basile Chaix
- Inserm, UMR-S 1136, Pierre Louis Institute of Epidemiology and Public Health, Nemesis Team, Paris 75012, France.
- Sorbonne Universités, UPMC Univ Paris 06, UMR-S 1136, Pierre Louis Institute of Epidemiology and Public Health, Nemesis Team, Paris 75012, France.
| | - Natasha J Howard
- Centre for Population Health Research, School of Health Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide SA 5001, Australia.
| | - Neil T Coffee
- Centre for Population Health Research, School of Health Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide SA 5001, Australia.
| | - Robert J Adams
- Discipline of Medicine, The University of Adelaide, Adelaide SA 5001, Australia.
| | - Anne W Taylor
- Discipline of Medicine, The University of Adelaide, Adelaide SA 5001, Australia.
| | - Frédérique Thomas
- Centre d'Investigations Préventives et Cliniques, Paris 75116, France.
| | - Mark Daniel
- Centre for Population Health Research, School of Health Sciences, Sansom Institute for Health Research, University of South Australia, Adelaide SA 5001, Australia.
- Department of Medicine, The University of Melbourne, St Vincent's Hospital, Melbourne, Fitzroy VIC 3065, Australia.
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Campbell D. Economies through Application of Nonmedical Primary-Preventative Health: Lessons from the Healthy Country Healthy People Experience of Australia's Aboriginal People. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:400. [PMID: 27482574 PMCID: PMC4847062 DOI: 10.3390/ijerph13040400] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 03/24/2016] [Indexed: 12/02/2022]
Abstract
The World Health Organization reports noncommunicable disease as a global pandemic. While national and international health research/policy bodies, such as the World Health Organization and the Australian Institute of Health and Welfare, emphasize the importance of preventative health, there is a continuing distortion in the allocation of resources to curative health as a result of government failure. Government failure is, in part, the result of a political response to individual preference for certainty in receiving treatment for specific health conditions, rather than the uncertainty of population-based preventative intervention. This has led to a failure to engage with those primary causative factors affecting chronic disease, namely the psychosocial stressors, in which the socioeconomic determinants are an important component. Such causal factors are open to manipulation through government policies and joint government-government, government-private cooperation through application of nonmedical primary-preventative health policies. The health benefits of Aboriginal people in traditional land management, or caring-for-country, in remote to very remote Australia, is used to exemplify the social benefits of nonmedical primary-preventative health intervention. Such practices form part of the "healthy country, health people" concept that is traditionally relied upon by Indigenous peoples. Possible health and wider private good and public good social benefits are shown to occur across multiple disciplines and jurisdictions with the possibility of substantial economies. General principles in the application of nonmedical primary-preventative health activities are developed through consideration of the experience of Afboriginal people participation in traditional caring-for-country.
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Trevisi E, Bertoni G. Some physiological and biochemical methods for acute and chronic stress evaluationin dairy cows. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2009.s1.265] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Sarnyai Z, Berger M, Jawan I. Allostatic load mediates the impact of stress and trauma on physical and mental health in Indigenous Australians. Australas Psychiatry 2016; 24:72-5. [PMID: 26646603 DOI: 10.1177/1039856215620025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES A considerable gap exists in health and social emotional well-being between Indigenous people and non-Indigenous Australians. Recent research in stress neurobiology highlights biological pathways that link early adversity and traumas as well as life stresses to ill health. We argue that the neurobiological stress response and its maladaptive changes, termed allostatic load, provide a useful framework to understand how adversity leads to physical and mental illness in Indigenous people. In this paper we review the biology of allostatic load and make links between stress-induced systemic hormonal, metabolic and immunological changes and physical and mental illnesses. CONCLUSIONS Exposure to chronic stress throughout life results in an increased allostatic load that may contribute to a number of metabolic, cardiovascular and mental disorders that shorten life expectancy in Indigenous Australians.
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Affiliation(s)
- Zoltán Sarnyai
- Associate Professor of Pharmacology, College of Public Health, Medical and Veterinary Sciences, Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
| | - Maximus Berger
- Graduate Student, College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
| | - Isabella Jawan
- Medical Student, College of Medicine and Dentistry, James Cook University, Townsville, QLD, Australia
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Riva M, Plusquellec P, Juster RP, Laouan-Sidi EA, Abdous B, Lucas M, Dery S, Dewailly E. Household crowding is associated with higher allostatic load among the Inuit. J Epidemiol Community Health 2014; 68:363-9. [PMID: 24385548 DOI: 10.1136/jech-2013-203270] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Household crowding is an important problem in some aboriginal communities that is reaching particularly high levels among the circumpolar Inuit. Living in overcrowded conditions may endanger health via stress pathophysiology. This study examines whether higher household crowding is associated with stress-related physiological dysregulations among the Inuit. METHODS Cross-sectional data on 822 Inuit adults were taken from the 2004 Qanuippitaa? How are we? Nunavik Inuit Health Survey. Chronic stress was measured using the concept of allostatic load (AL) representing the multisystemic biological 'wear and tear' of chronic stress. A summary index of AL was constructed using 14 physiological indicators compiled into a traditional count-based index and a binary variable that contrasted people at risk on at least seven physiological indicators. Household crowding was measured using indicators of household size (total number of people and number of children per house) and overcrowding defined as more than one person per room. Data were analysed using weighted Generalised Estimating Equations controlling for participants' age, sex, income, diet and involvement in traditional activities. RESULTS Higher household crowding was significantly associated with elevated AL levels and with greater odds of being at risk on at least seven physiological indicators, especially among women and independently of individuals' characteristics. CONCLUSIONS This study demonstrates that household crowding is a source of chronic stress among the Inuit of Nunavik. Differential housing conditions are shown to be a marker of health inequalities among this population. Housing conditions are a critical public health issue in many aboriginal communities that must be investigated further to inform healthy and sustainable housing strategies.
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Affiliation(s)
- Mylene Riva
- Axe Santé des populations et pratiques optimales en santé, Centre de Recherche du CHU de Québec, , Québec, Canada
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Maple-Brown LJ, Brimblecombe J, Connelly PW, Harris SB, Mamakeesick M, Zinman B, O'Dea K, Hanley AJ. Similarities and differences in cardiometabolic risk factors among remote Aboriginal Australian and Canadian cohorts. Diabetes Res Clin Pract 2013; 100:133-41. [PMID: 23312484 DOI: 10.1016/j.diabres.2012.12.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Revised: 11/12/2012] [Accepted: 12/17/2012] [Indexed: 01/16/2023]
Abstract
AIM Indigenous populations of Australia and Canada experience disproportionately high rates of chronic disease. We hypothesized that despite the common outcome of increased diabetes prevalence, differences in cardiometabolic risk profile may exist between these populations. METHODS We compared community-based data on cardiometabolic risks in Aboriginal Australians (n=297 without, 45 with diabetes), and Aboriginal Canadians (n=409 without, 87 with diabetes). RESULTS Despite strikingly lower weight (62 vs 83 kg, p<0.0001) and body mass index (BMI, 22 vs 29 kg/m(2), p<0.0001), Aboriginal Australians without diabetes had similar waist-hip ratio (WHR, 0.91 vs 0.91, p=0.732), lower HDL-cholesterol (0.97 vs 1.25 mmol/L, p<0.0001) and higher HbA1c (5.4 vs 5.2%, p<0.0001) than Aboriginal Canadians without diabetes. Waist was the obesity measure most strongly related to diabetes or cardiometabolic risk in Australians while BMI performed similarly to other obesity measures only in Canadians. Multiple regression of HbA1c revealed age and fasting glucose as independent predictors in each study group, with the addition of WHR in Aboriginal Australians. CONCLUSION The notable finding was that waist or WHR are preferred obesity measures to appropriately reflect cardiometabolic risk in Aboriginal Australians, who although leaner by BMI criteria, displayed a similarly adverse risk profile to Aboriginal Canadians. Waist or WHR should be routinely included in clinical assessment in these high-risk populations.
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Affiliation(s)
- Louise J Maple-Brown
- Menzies School of Health Research, Charles Darwin University, Casuarina, Australia.
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Maple-Brown LJ, Cunningham J, Zinman B, Mamakeesick M, Harris SB, Connelly PW, Shaw J, O'Dea K, Hanley AJ. Cardiovascular disease risk profile and microvascular complications of diabetes: comparison of Indigenous cohorts with diabetes in Australia and Canada. Cardiovasc Diabetol 2012; 11:30. [PMID: 22455801 PMCID: PMC3340324 DOI: 10.1186/1475-2840-11-30] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 03/28/2012] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Indigenous populations of Australia and Canada experience disproportionately high rates of chronic disease. Our goal was to compare cardiovascular (CVD) risk profile and diabetes complications from three recent comprehensive studies of diabetes complications in different Indigenous populations in Australia and Canada. METHODS We compared participants from three recent studies: remote Indigenous Australians (2002-2003, n = 37 known diabetes), urban Indigenous Australians (2003-2005, n = 99 known diabetes), and remote Aboriginal Canadians (2001-2002, n = 188 known diabetes). RESULTS The three groups were similar for HbA1c, systolic BP, diabetes duration. Although leaner by body-mass-index criteria, remote Indigenous Australians displayed a more adverse CVD risk profile with respect to: waist-hip-ratio (1.03, 0.99, 0.94, remote Indigenous Australians, urban Indigenous Australians, remote Canadians, p < 0.001); HDL-cholesterol (0.82, 0.96, 1.17 mmol/L, p < 0.001); urine albumin-creatinine-ratio (10.3, 2.4, 4.5 mg/mmol); and C-reactive protein. With respect to diabetes complications, microalbuminuria (50%, 25%, 41%, p = 0.001) was more common among both remote groups than urban Indigenous Australians, but there were no differences for peripheral neuropathy, retinopathy or peripheral vascular disease. CONCLUSIONS Although there are many similarities in diabetes phenotype in Indigenous populations, this comparison demonstrates that CVD risk profiles and diabetes complications may differ among groups. Irrespective, management and intervention strategies are required from a young age in Indigenous populations and need to be designed in consultation with communities and tailored to community and individual needs.
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Affiliation(s)
- Louise J Maple-Brown
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
- Division of Medicine, Royal Darwin Hospital, Darwin, NT, Australia
- Leadership Sinai Centre for Diabetes, Mt Sinai Hospital, Toronto, Canada
| | - Joan Cunningham
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
| | - Bernard Zinman
- Leadership Sinai Centre for Diabetes, Mt Sinai Hospital, Toronto, Canada
- Division of Endocrinology, University of Toronto, Toronto, Canada
| | - Mary Mamakeesick
- Sandy Lake Health and Diabetes Project, Sandy Lake First Nation, London, ON, Canada
| | - Stewart B Harris
- Centre for Studies in Family Medicine at The Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada
| | - Philip W Connelly
- Keenan Research Centre in the Li Ka Shing Knowledge Institute of St Michael's Hospital, Toronto, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Jonathan Shaw
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia
| | - Kerin O'Dea
- Sansom Institute for Health Research, University of South Australia, Adelaide, South, Australia
| | - Anthony J Hanley
- Leadership Sinai Centre for Diabetes, Mt Sinai Hospital, Toronto, Canada
- Division of Endocrinology, University of Toronto, Toronto, Canada
- Department of Nutritional Sciences and Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
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Iwasaki Y, Bartlett J, MacKay K, Mactavish J, Ristock J. Social Exclusion and Resilience as Frameworks of Stress and Coping among Selected Non-dominant Groups. INTERNATIONAL JOURNAL OF MENTAL HEALTH PROMOTION 2012. [DOI: 10.1080/14623730.2005.9721870] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Degeling C, Rock M. Hemoglobin A1c as a diagnostic tool: public health implications from an actor-network perspective. Am J Public Health 2011; 102:99-106. [PMID: 22095361 DOI: 10.2105/ajph.2011.300329] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Public health arguments for collecting hemoglobin A1c (HbA1c) data, particularly in clinical settings, should be reframed to place more emphasis on nonmedical determinants of population health. We compare individual- with population-level interpretations of HbA1c titers. This comparison reveals that public health researchers need to pay close attention to diagnostic tests and their uses, including rhetorical uses. We also synthesize historical and current evidence to map out 2 possible scenarios for the future. In the first scenario, prevention efforts emphasize primary care and focus almost entirely downstream. The second scenario anticipates downstream interventions but also upstream interventions targeting environments. Our analysis adapts actor-network theory to strategic planning and forecasting in public health.
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Affiliation(s)
- Chris Degeling
- Population Health Intervention Research Centre, Calgary Institute of Population and Public Health, University of Calgary, Calgary, Alberta, Canada.
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Kritharides L, Brown A, Brieger D, Ridell T, Zeitz C, Jeremy R, Tonkin A, Walsh W, White H. Overview and determinants of cardiovascular disease in indigenous populations. Heart Lung Circ 2010; 19:337-43. [PMID: 20378406 DOI: 10.1016/j.hlc.2010.02.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Cardiovascular disease (CV) is an important problem among the 400 million Indigenous Populations around the world, and has been included in the World Health Organization (WHO) "2008-2013 Action Plan for Non-Communicable Diseases". Our understanding of the causes of CV disease in the Indigenous populations of Australia and New Zealand will be facilitated by better understanding the causes of CV disease in Indigenous populations around the world. The opening scientific presentations of the Inaugural CSANZ Conference on Indigenous Cardiovascular Health were from two international speakers notable for their commitment to Indigenous Health as a global problem.
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Daniel M, Lekkas P, Cargo M. Environments and cardiometabolic diseases in aboriginal populations. Heart Lung Circ 2010; 19:306-15. [PMID: 20356789 DOI: 10.1016/j.hlc.2010.01.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2009] [Accepted: 01/05/2010] [Indexed: 10/19/2022]
Abstract
This review establishes the relevance and frames the relationship of environmental factors to cardiometabolic risk factors and disease in Aboriginal populations. Environmental factors operate at the level of communities or populations. They include contextual measures of places and compositional measures of populations which together constitute "risk conditions" affecting individual risk factors. Environmental factors have been implicated by contrasting Aboriginal and non-Aboriginal populations in cardiometabolic risk factors and outcomes, or by geographic contrasts of Aboriginal populations in remote, rural and urban regions. It is unclear whether heterogeneity in contextual or compositional factors between and within Aboriginal populations is associated with heterogeneity in cardiometabolic risk factors and outcomes. Empirical literature that links environmental factors and cardiometabolic outcomes in Aboriginal populations is critically reviewed for three postulated pathways of influence: (1) behaviour; (2) psychosocial factors; and (3) stress response axes. These pathways, represented as interdependent, can explain how and why environments are associated with cardiometabolic outcomes. The need remains, however, to develop a robust quantitative evidence base in cardiometabolic research aimed at enhancing knowledge of the specific environmental factors related to the cardiometabolic health of Aboriginal populations as well as explicating the underlying mechanisms by which environmental risk conditions 'get under the skin'.
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Affiliation(s)
- Mark Daniel
- Sansom Institute, University of South Australia, Adelaide, Australia.
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Imbert G. [Towards the development of an ethno-epidemiological study of type-2 diabetes and its complications]. SANTE PUBLIQUE 2008; 20:113-24. [PMID: 18693410 DOI: 10.3917/spub.082.0113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
The troubling evolution of Type 2 Diabetes into epidemic proportions bearing dramatic consequences has generated significant interest leading to a strong research focus and therefore the subject of several studies in recent years. This article examines Type 2 Diabetes Mellitus and its complications on the basis of a literature review addressing their epidemiological situation on an international scale--including indigenous peoples--and their socio-cultural determinants. This study reveals important ethnic disparities in terms of mortality and morbidity, as well as the multi-factored origin of this metabolic disorder, most notably among indigenous populations. Above and beyond the limits of prevention programmes, this literature review addresses the importance of reinforcing ethnoepidemiological studies among vulnerable peoples in order to improve our understanding of the emergence and development of this particularly complex pathological phenomenon
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Affiliation(s)
- Geneviève Imbert
- Dalhousie University, Bioethics Department, CRC Building, Room C315, 5849 Avenue University, Halifax, Nouvelle-Ecosse, B3H 4H7, Canada.
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Maple-Brown L, Cunningham J, Dunne K, Whitbread C, Howard D, Weeramanthri T, Tatipata S, Dunbar T, Harper CA, Taylor HR, Zimmet P, O'Dea K, Shaw JE. Complications of diabetes in urban Indigenous Australians: the DRUID study. Diabetes Res Clin Pract 2008; 80:455-62. [PMID: 18294723 DOI: 10.1016/j.diabres.2008.01.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2007] [Accepted: 01/10/2008] [Indexed: 10/22/2022]
Abstract
AIMS To accurately assess the management and complications of type 2 diabetes in urban Indigenous Australians and compare the risk of complications with a general Australian population (AusDiab Study). METHODS The Darwin Region Urban Indigenous Diabetes (DRUID) Study included 1004 volunteers aged >/=15 years; diabetes status was classifiable for 866. The assessment of diabetic complications and metabolic control was performed in participants with known diabetes (KDM) and diabetes newly diagnosed by the study (NDM) using an interviewer-administered questionnaire and clinical examination. RESULTS Among 172 DRUID participants eligible for complications assessment, 135 were assessed, including 99 KDM (mean age 53 years) and 36 NDM (mean age 47 years). Percentages of KDM participants meeting therapeutic targets were: HbA1c<7%, 29%; blood pressure<130/80mmHg, 45%; total cholesterol<5.5mmol/L, 65%. Among KDM, 39% had albuminuria, 21% retinopathy, 12% peripheral vascular disease (PVD), 9% neuropathy. Factors independently associated with diabetic complications were: albuminuria-HbA1c, systolic blood pressure; retinopathy-diabetes duration; PVD-age. Compared to AusDiab participants after adjusting for other risk factors, DRUID participants had 2-3-fold increased risk of albuminuria and PVD and a non-significant increased risk of neuropathy, but no increased risk of retinopathy. CONCLUSIONS Urban Indigenous Australians with diabetes are relatively young and have poor glycaemic control. Compared to the general Australian population with type 2 diabetes, they have greater adjusted risk of albuminuria and PVD but not retinopathy. Urgent action is required to prevent diabetes at a population level and improve diabetes management in this high-risk population.
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Affiliation(s)
- Louise Maple-Brown
- Menzies School of Health Research, Institute of Advanced Studies, Charles Darwin University, NT, Australia.
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Cunningham J, O'Dea K, Dunbar T, Weeramanthri T, Shaw J, Zimmet P. Socioeconomic status and diabetes among urban Indigenous Australians aged 15-64 years in the DRUID study. ETHNICITY & HEALTH 2008; 13:23-37. [PMID: 18066736 DOI: 10.1080/13557850701803130] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
BACKGROUND Diabetes is associated with lower socioeconomic status (SES) in developed countries, but the reverse is true in developing countries. Little is known about the relationship between SES and diabetes among Indigenous populations in developed countries. DESIGN We examined the relationship between measures of SES and the prevalence of diabetes in the DRUID Study, a cross-sectional study of urban Indigenous Australian volunteers in the Darwin region. RESULTS Among 777 participants aged 15-64 years included in the analysis, 17.1% had diabetes, ranging from 2.0% among those aged 15-24 years to 50.8% of those aged 55-64 years. After adjusting for age and sex, diabetes was significantly more common among those of lower SES, whether measured by housing tenure, household income, or employment status. For example, compared with those living in a household that was owned/being purchased by its occupants, the relative odds of diabetes was 2.66 (95% confidence interval 1.71-4.15) for those living in rented/other accommodation. The inverse relationship between SES and diabetes was present even among those who had not previously been diagnosed with diabetes. The relationship between disadvantage and diabetes was not mediated to any great degree by obesity. CONCLUSIONS The relationship between SES and diabetes among Indigenous Australians in this study is consistent with the patterns observed in developed countries, rather than those in some developing countries.
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Affiliation(s)
- Joan Cunningham
- Menzies School of Health Research and Institute of Advanced Studies, Charles Darwin University.
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Daniel M, Brown A, Dhurrkay JG, Cargo MD, O'Dea K. Mastery, perceived stress and health-related behaviour in northeast Arnhem Land: a cross-sectional study. Int J Equity Health 2006; 5:10. [PMID: 17002809 PMCID: PMC1601956 DOI: 10.1186/1475-9276-5-10] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2006] [Accepted: 09/27/2006] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Indigenous peoples in Australia are disadvantaged on all markers of health and social status across the life course. Psychosocial factors are implicated in the aetiology of chronic diseases and in pathways underpinning social health disparities. Minimal research has investigated psychosocial factors and health in Indigenous peoples. This study evaluated associations between mastery, perceived stress, and health-related behaviour for a remote Indigenous population in Australia. METHODS Complete data on mastery (the degree to which individuals feel in control of their lives), perceived stress, physical activity, and fruit and vegetable consumption were obtained for 177 participants in a community-based chronic disease risk factor survey. Psychosocial questionnaires were completed as an option during community screening (response rate = 61.9%). Extensive consultation facilitated the cross-cultural adaptation of measures. RESULTS Mastery was inversely correlated with perceived stress measures (p < 0.009): recent stress, r = -0.47; chronic stress, r = -0.41; and youth stress, r = -0.30. Relationships between mastery and behaviour varied according to age group (<25 or > or =25 years) for physical activity (p = 0.001) and vegetable consumption (p = 0.005). Individuals aged > or =25 years engaging in < or =2 bouts of physical activity/week had lower mastery than individuals engaging in > or =3 bouts/week, with means (95% CI) of 14.8 (13.7-15.8) and 17.1 (15.3-19.0), respectively (p = 0.026). Individuals aged > or =25 years eating vegetables < or =3 times/week had lower mastery than those eating vegetables > or =4 times/week (p = 0.009) [means 14.7 (13.8-15.5) and 17.3 (15.5-19.1), respectively]. Individuals <25 years engaging in < or =2 bouts of physical activity/week had greater mastery than individuals engaging in > or =3 bouts/week (p = 0.022) [means 17.2 (15.2-19.2) and 13.8 (11.9-15.7), respectively]. For men > or =25 years and women > or =15 years, mastery was inversely related to age (p < 0.002). Men <25 years had less mastery than women of equivalent age (p = 0.001) [means 13.4 (12.1-14.7) and 17.5 (15.3-19.8), respectively]. CONCLUSION Consistent with previous research, this study provides additional support for a link between mastery and health-related behaviour, and extends evidence of this association to a remote Indigenous population. Mastery's association with perceived stress, its age-specific association with health behaviour, and findings of low mastery amongst young men, highlights a need for life course research accounting for contextual factors affecting Indigenous peoples.
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Affiliation(s)
- Mark Daniel
- Département de médecine sociale et préventive, Université de Montréal, Québec, Canada
- Menzies School of Health Research, Darwin, Northern Territory, Australia
- Canada Research Chair for Biopsychosocial Pathways in Population Health, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CHUM) – Hôtel-Dieu, Édifice Saint-Urbain, Axe santé des populations, 3875 rue Saint Urbain, Montréal, Québec H2W 1V1, Canada
| | - Alex Brown
- Menzies School of Health Research, Darwin, Northern Territory, Australia
| | | | - Margaret D Cargo
- Psychosocial Research Division, Douglas Hospital Research Centre, McGill University, Canada
| | - Kerin O'Dea
- Department of Medicine, St. Vincent's Hospital, The University of Melbourne, Australia
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18
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Schoenberg NE, Drew EM, Stoller EP, Kart CS. Situating stress: lessons from lay discourses on diabetes. Med Anthropol Q 2005; 19:171-93. [PMID: 15974326 DOI: 10.1525/maq.2005.19.2.171] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In response to the serious toll diabetes takes on health and resources, researchers increasingly are examining physical and psychological pathways that affect and are affected by diabetes, including stress. Although biomedical researchers and practitioners are beginning to recognize the association between stress and diabetes onset and management, laypersons have long-standing and extensive insights into the multiple ways in which stress is associated with the diabetes disease process. In this article, we examine lay perspectives on stress and diabetes among a multiethnic sample of 80 adults. Participants suggest varying arenas in which stress intersects with diabetes, including stress as implicated in the origin of diabetes, as a threat to maintaining glycemic control, as a challenge to self-management, and as a precursor to and a consequence of diabetes complications. An improved understanding of such perspectives may enhance appropriate disease management and develop a more valid conceptualization of stress in research efforts.
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19
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Rowley KG, Daniel M, O'Dea K. Screening for diabetes in Indigenous populations using glycated haemoglobin: sensitivity, specificity, post-test likelihood and risk of disease. Diabet Med 2005; 22:833-9. [PMID: 15975095 DOI: 10.1111/j.1464-5491.2005.01447.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
AIMS Screening for diabetes using glycated haemoglobin (HbA1c) offers potential advantages over fasting glucose or oral glucose tolerance testing. Current recommendations advise against the use of HbA1c for screening but test properties may vary systematically across populations, according to the diabetes prevalence and risk. We aimed to: (i) characterize the properties of test cut-offs of HbA1c for diagnosis of diabetes relative to a diagnosis based on a fasting plasma glucose concentration of 7.0 mmol/l for high-risk Indigenous populations; and (ii) examine test properties across a range of diabetes prevalence from 5 to 30%. METHODS Data were collected from Aboriginal and Torres Strait Islander communities in Australia and a Canadian First Nations community (diabetes prevalence 12-22%) in the course of diabetes diagnostic and risk factor screening programmes (n = 431). Screening test properties were analyzed for the range of HbA1c observed (3-12.9%). RESULTS In separate and pooled analyses, a HbA1c cut point of 7.0% proved the optimal limit for classifying diabetes, with summary analysis results of sensitivity = 73 (56-86)%, specificity = 98 (96-99)%, overall agreement (Youden's index) = 0.71, and positive predictive value (for an overall prevalence of 18%) = 88%. For diabetes prevalence from 5 to 30% the post-test likelihood of having diabetes given HbA1c = 7.0% (positive predictive value) ranged from 62.7 to 93.2%; for HbA1c < 7.0%, the post-test likelihood of having diabetes ranged from 4.5 to 27.7%. CONCLUSIONS The results converge with research on the likelihood of diabetes complications in supporting a HbA1c cut-off of 7.0% in screening for diabetes in epidemiological research. Glycated haemoglobin has potential utility in screening for diabetes in high-risk populations.
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Affiliation(s)
- K G Rowley
- Department of Medicine, St Vincent's Hospital, University of Melbourne, Melbourne, Vic., Australia.
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20
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Iwasaki Y, Bartlett J, O'Neil J. Coping with stress among Aboriginal women and men with diabetes in Winnipeg, Canada. Soc Sci Med 2005; 60:977-88. [PMID: 15589668 DOI: 10.1016/j.socscimed.2004.06.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Many Aboriginal peoples are widely exposed to stress in their lives. This exposure to stress appears linked not only to their contemporary and immediate life circumstances (e.g., marginal economic and at-risk living conditions) but also to their historical, cultural, and political contexts. Recently, diabetes has become prevalent in many Aboriginal communities worldwide. The purpose of the present study was to gain a better understanding of the ways in which Aboriginal peoples with diabetes cope with stress. The study used a series of focus groups among First Nations and Metis women and men with diabetes in Winnipeg, Manitoba, Canada. Based on our cross-thematic analyses of the data, three overarching themes were identified: (1) individual and collective strengths of Aboriginal peoples with diabetes must be recognized and utilized to facilitate healing from or coping with the experience of stress and trauma; (2) healing must be accomplished holistically by maintaining balance or harmony among mind, body, and spirit; and (3) effective ways of coping with stress and healing from trauma potentially promote positive transformations for Aboriginal peoples and communities at both individual and collective levels. Also, sub-themes of stress-coping and healing that underlie and further describe the above three overarching themes emerged from the data. These include: (a) interdependence/connectedness, (b) spirituality/transcendence, (c) enculturation/facilitation of Aboriginal cultural identity, (d) self-control/self-determination/self-expression, and (e) the role of leisure as a means of coping with stress and healing from trauma. Accordingly, our deeper analyses resulted in the development of an emergent model of stress-coping and healing among Aboriginal peoples with diabetes, which is presented as a dynamic system in which the three overarching themes are embedded in the five specific themes of coping/healing. This evidence-based emergent model appears to provide some important insights into health policy and program planning for Aboriginal peoples with diabetes and their communities.
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Affiliation(s)
- Yoshi Iwasaki
- Faculty of Physical Education and Recreation Studies, Health, Leisure and Human Performance Research Institute, 102 Frank Kennedy Centre, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada.
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21
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McDonald SP, Hoy WE. Interfaces between cardiovascular and kidney disease among Aboriginal Australians. Adv Chronic Kidney Dis 2005; 12:39-48. [PMID: 15719332 DOI: 10.1053/j.ackd.2004.10.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Rates of kidney disease among several indigenous groups have been shown to be substantially higher than corresponding non-indigenous groups. This excess has been clearly shown among Aboriginal Australians with respect to both end-stage kidney disease and early kidney disease. Rates of cardiovascular disease among Aboriginal Australians are also very high, as are rates of diabetes, smoking, and possibly overweight and obesity. These factors have been traditionally linked with cardiovascular and renal disease as part of a broader "metabolic syndrome." However, the links and interfaces between cardiovascular and kidney disease in this environment extend beyond these "traditional" factors. The factors associated with atherosclerosis have expanded in recent years to include markers of inflammation, some infection, antioxidants, and other "non-traditional" risk factors. Given the high rates of acute infection and poor living conditions endured by many indigenous people, one might expect these "non-traditional" risk factors to be highly prevalent. In this review, we explore the relationships between markers of inflammation, some serological markers of infection, and other selected markers and both cardiovascular and renal disease. In doing so, we demonstrate links between kidney and cardiovascular disease at a number of levels, beyond the "traditional" cardiovascular/renal risk factors. Many of these factors are beyond the control of the individual or even community; addressing these issues a broader focus and biopsychosocial model.
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Affiliation(s)
- Stephen P McDonald
- ANZDATA Registry, The Queen Elizabeth Hospital, Woodville, SA 5011, Australia.
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22
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Cass A, Cunningham J, Snelling P, Wang Z, Hoy W. Exploring the pathways leading from disadvantage to end-stage renal disease for Indigenous Australians. Soc Sci Med 2004; 58:767-85. [PMID: 14672592 DOI: 10.1016/s0277-9536(03)00243-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Indigenous Australians are disadvantaged, relative to other Australians, over a range of socio-economic and health measures. The age- and sex-adjusted incidence of end-stage renal disease (ESRD)--the irreversible preterminal phase of chronic renal failure--is almost nine times higher amongst Indigenous than it is amongst non-indigenous Australians. A striking gradient exists from urban to remote regions, where the standardised ESRD incidence is from 20 to more than 30 times the national incidence. We discuss the profound impact of renal disease on Indigenous Australians and their communities. We explore the linkages between disadvantage, often accompanied by geographic isolation, and both the initiation of renal disease, and its progression to ESRD. Purported explanations for the excess burden of renal disease in indigenous populations can be categorised as: primary renal disease explanations;genetic explanations;early development explanations; and socio-economic explanations. We discuss the strengths and weaknesses of these explanations and suggest a new hypothesis which integrates the existing evidence. We use this hypothesis to illuminate the pathways between disadvantage and the human biological processes which culminate in ESRD, and to propose prevention strategies across the life-course of Indigenous Australians to reduce their ESRD risk. Our hypothesis is likely to be relevant to an understanding of patterns of renal disease in other high-risk populations, particularly indigenous people in the developed world and people in developing countries. Furthermore, analogous pathways might be relevant to other chronic diseases, such as diabetes and cardiovascular disease. If we are able to confirm the various pathways from disadvantage to human biology, we will be better placed to advocate evidence-based interventions, both within and beyond the scope of the health-care system, to address the excess burden of renal and other chronic diseases among affected populations.
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Affiliation(s)
- Alan Cass
- Menzies School of Health Research, PO Box 41096, Darwin, Casarina NT 0811, Australia.
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23
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McLorg PA. Body size and shape and glycemic control among Maya women in rural Yucatán. Am J Hum Biol 2003; 15:746-57. [PMID: 14595866 DOI: 10.1002/ajhb.10210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Studies on relationships between aspects of physique and glucose physiology generally focus on clinical glucose tolerance or on fasting glucose or insulin assays showing glycemic status at the time of testing. Little work has examined the associations between body variables and glycemic control, or average past glucose levels in regular living conditions. The aim of this research was to investigate connections between body size and shape and glycemic control. The sample consists of 60 nondiabetic Maya women, ages 40-85 years, residing in 16 rural villages around Mérida, Yucatán. Body morphology was assessed through anthropometric and derived measures of size and shape, including indicators of fat distribution and general adiposity. Glycemic control was measured through microvenous samples analyzed for glycated blood proteins HbA(1c) and fructosamine to demonstrate average circulating glucose under customary living conditions during the previous several months and weeks. Four-variable regression models explain 17% of the variance in HbA(1c) and 25% of the variance in fructosamine. Arm circumference has the largest positive effect on HbA(1c), while weight has the greatest positive impact on fructosamine. The predictor with the largest negative effect on both glycated blood proteins is calf circumference. In general, variables reflecting overall adiposity and central adiposity demonstrate positive associations with HbA(1c) and fructosamine, whereas lean body measures exhibit negative associations. Findings support the value of glycated blood proteins and of less common anthropometric measures, such as calf circumference, in population research on morphological relations with glycemia.
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Affiliation(s)
- Penelope A McLorg
- Department of Anthropology, Southern Illinois University, Carbondale, Illinois 62901-4502, USA.
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Abstract
OBJECTIVES The purpose of this study was to investigate the immune, endocrine, and metabolic correlates of burnout among women. METHODS Forty-three participants with high and 20 participants with low scores for the Shirom-Melamed Burnout Questionnaire were compared in terms of subjective symptoms, job strain, social support, plasma levels of prolactin, tumor necrosis factor alpha (TNF-alpha), transforming growth factor beta (TGF-beta), C-reactive protein (CRP), neopterin, serum levels of dehydroepiandrosterone sulphate (DHEAs), progesterone, estradiol, cortisol, and glycated hemoglobin (HbA1C) in whole blood. RESULTS Besides reporting more job strain, less social support at work, and higher levels of anxiety, depression, vital exhaustion (VE), and sleep impairments, participants with high burnout manifested higher levels of TNF-alpha and HbA1C, independent of confounders including depression. CONCLUSIONS Among women, burnout seems to involve enhanced inflammatory responses and oxidative stress.
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Affiliation(s)
- Giorgio Grossi
- National Institute for Psychosocial Factors and Health, Stockholm, Sweden.
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25
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Feldman PJ, Steptoe A. Psychosocial and socioeconomic factors associated with glycated hemoglobin in nondiabetic middle-aged men and women. Health Psychol 2003; 22:398-405. [PMID: 12940396 DOI: 10.1037/0278-6133.22.4.398] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The authors tested associations between glycated hemoglobin (HbA1c; an index of glucose homeostasis and an indicator of cardiovascular disease risk in nondiabetic populations) and socioeconomic status (defined by grade of employment) and psychosocial factors in 234 British civil servants. HbA1c concentration was inversely related to grade of employment. Higher HbA1c was associated with greater waist-hip ratio, lower control at work, lower internal locus of control, lower active coping, and lower social support. Control at work, internal and chance locus of control, and active coping were also related to socioeconomic status. The association of social support but not other psychosocial factors with HbA1c was independent of socioeconomic status. HbA1c may complement measures of the metabolic syndrome and insulin resistance in studies of psychosocial factors in cardiovascular disease risk.
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Affiliation(s)
- Pamela J Feldman
- Department of Epidemiology and Public Health, University College London, United Kingdom
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26
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Rock M. Sweet blood and social suffering: rethinking cause-effect relationships in diabetes, distress, and duress. Med Anthropol 2003; 22:131-74. [PMID: 12745637 DOI: 10.1080/01459740306764] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
I draw upon anthropological engagements with bioscience and embodiment in order to unpack current approaches to defining and preventing diabetes mellitus. The analysis stems from the conviction that carefully considering the symbolic frames through which we conceive of diseases, their origins, their distribution, and their consequences will assist us in planning and implementing interventions to improve population health. I argue that research and interventions focused on the sweetness of blood would benefit from rethinking intersections between diabetes, distress, and duress. In many instances, the lived experience of diabetes is consonant with an understanding of distress (i.e., "social suffering") that expands conventional understandings of population health problems. Diabetes incidence is rising worldwide, but it is rising especially rapidly in Aboriginal and other disadvantaged populations. Notably, diabetes is now three to five times more common in Canada's First Nations population than it is in its non-Aboriginal population. Yet as recently as 50 years ago, diabetes and associated health problems were rare in these groups. To come to grips with such transformations and disparities is to advance the population health research agenda.
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Affiliation(s)
- Melanie Rock
- Université de Montréal, Groupe de recherche interdisciplinaire en santé, QC, Canada.
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Severtson DJ, Baumann LC, Will JA. A participatory assessment of environmental health concerns in an Ojibwa community. Public Health Nurs 2002; 19:47-58. [PMID: 11841682 DOI: 10.1046/j.1525-1446.2002.19007.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This research employed a participatory approach to explore environmental health (EH) concerns among Lac Courte Oreilles (LCO) Ojibwa Indians in Sawyer County, Wisconsin. The project was grounded in a broad ecological conceptualization of EH and in principles of health promotion and community participation. Community participation was accomplished through a steering committee that consisted of the primary author and LCO College faculty and community members. The selected assessment methodology was a self-administered survey mailed to LCO members in Sawyer County. Concern for environmental issues was high in this tribal community, especially for future generations. Concern was higher among older members and tribal members living on rather than off the reservation. Local environmental issues of concern were motorized water vehicles, effects from global warming, aging septic systems on waterways, unsafe driving, and contaminated lakes/streams. The LCO community can use survey results to inform further data needs and program development.
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Affiliation(s)
- Dolores J Severtson
- School of Nursing, University of Wisconsin-Madison, 600 Highland Avenue, Madison, WI 53792-2455, USA.
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O'Dea K, Rowley KG. Macrovascular disease risk factors and insulin resistance in Aboriginal and Torres Strait Islander people. J Diabetes Complications 2002; 16:9-16. [PMID: 11872359 DOI: 10.1016/s1056-8727(01)00195-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
It has been proposed that insulin resistance (IR) underlies a cluster of cardiovascular disease (CVD) risk factors constituting a "metabolic syndrome." CVD is a leading cause of premature mortality among indigenous Australians. In a group of younger (15-44 years, fasting glucose <7.8 mmol/l) Aboriginal (n=643) and Torres Strait Islander (n=220) people participating in community-based risk factor surveys, we identified high prevalences of metabolic syndrome components: glucose intolerance, dyslipidaemia, hypertension, and IR. There were inconsistent associations of IR with other risk factors, and the data do not support a direct causal relationship between insulin and other metabolic variables. Rather, metabolic syndrome components may arise from social and environmental factors interacting with behavioural and biochemical factors in individuals.
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Affiliation(s)
- Kerin O'Dea
- Menzies School of Health Research, Tiwi NT 8010, Australia.
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Abstract
Implementing evidence-based medicine (EBM) in primary healthcare for Indigenous people will usually involve increasing services, particularly those for chronic conditions. As shown by the example of diabetes care, there are significant organisational, educational, economic, cultural and structural barriers to implementing EBM in many Indigenous communities. Many of these barriers could be reduced by better-organised service delivery systems at the community level, greater numbers of Indigenous health professionals and greater advocacy for healthy public policy by health services. There is evidence that delivering evidence-based primary healthcare, particularly for chronic diseases, can improve health outcomes in Indigenous communities. There is a need for more investment in strategies to implement EBM and evidence-based public health in Indigenous settings.
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Affiliation(s)
- R A McDermott
- Tropical Public Health Unit, Queensland Health, Cairns.
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30
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Daniel M, Rowley KG, Herbert CP, O'Dea K, Green LW. Lipids and psychosocial status in aboriginal persons with and at risk for Type 2 diabetes: implications for tertiary prevention. PATIENT EDUCATION AND COUNSELING 2001; 43:85-95. [PMID: 11311842 DOI: 10.1016/s0738-3991(00)00153-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study assessed psychosocial correlates of dyslipidemia, towards enabling improved tertiary prevention of macrovascular complications of diabetes mellitus (DM). We tested the hypothesis that psychosocial measures are related to high-density lipoprotein cholesterol (HDL-C) and triglyceride concentrations in a rural aboriginal population in British Columbia, Canada. Persons sampled were on-reserve registered Indians (n=198) with and at risk for Type 2 DM. Relationships between HDL-C and psychosocial variables were associated with glycemic status. For persons with diabetes and impaired glucose tolerance (n=44), quality of life and mastery were positively related (P<0.001), and depression inversely related (P<0.001), to HDL-C. An apparent lack of effect of behavior suggests the influence of emotional pathways involving autonomic-neuroendocrine axes. We recommend assessing mental health, and promoting mastery and diabetes quality of life through empowerment oriented diabetes management strategies, in negotiating culturally acceptable treatment of diabetic dyslipidemia for aboriginal people.
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Affiliation(s)
- M Daniel
- Department of Health Behavior and Health Education, School of Public Health, The University of North Carolina, Chapel Hill, NC 27599-7400, USA.
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Abstract
Variations in hospitalization rates for selected conditions are being used as indicators of the effectiveness of primary care in small areas. Are these rates actually sensitive to problems in local primary care systems? This study examines the relationship between ambulatory care sensitive condition (ACSC) hospital admission rates and primary care resources and the economic conditions in primary care market areas in North Carolina in 1994. The data show a high degree of correlation between the rates and income but not primary care resources. The distribution of rates did agree with expert assessments of the location of places with poor access to health services. The data confirm that access to effective primary care reflected in lower rates of ACSC admissions is a function of more than the professional resources available in a market area. The solution to reducing disparities in health status may not lie within the health system.
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Affiliation(s)
- T C Ricketts
- Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, 725 Airport Road CB# 7590, UNC, Chapel Hill, NC 27599-7590, USA.
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