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Trop. Med. Infect. Dis. 2017, 2(3), 47; https://doi.org/10.3390/tropicalmed2030047

Differences in the Prevalence of Non-Communicable Disease between Slum Dwellers and the General Population in a Large Urban Area in Brazil

1
Division of Epidemiology, University of California, Berkeley, CA 94720, USA
2
Department of Medicine, University of California, San Francisco, CA 94143, USA
3
Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Brazilian Ministry of Health, Salvador 40170-115, Bahia, Brazil
4
Institute of Collective Health, Federal University of Bahia, Salvador 40170-115, Bahia, Brazil
5
Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Bahia, Brazil
6
School of Medicine, Federal University of Bahia, Salvador 40170-115, Bahia, Brazil
7
Division of Infectious Diseases and Vaccinology, University of California, Berkeley, Berkeley, CA 94720, USA
8
Department of the Epidemiology of Microbial Diseases, Yale University School of Public Health, New Haven, CT 06510, USA
*
Author to whom correspondence should be addressed.
Received: 31 July 2017 / Revised: 8 September 2017 / Accepted: 12 September 2017 / Published: 16 September 2017
(This article belongs to the Special Issue Slum Health: Diseases of Neglected Populations)
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Abstract

Residents of urban slums are at greater risk for disease than their non-slum dwelling urban counterparts. We sought to contrast the prevalences of selected non-communicable diseases (NCDs) between Brazilian adults living in a slum and the general population of the same city, by comparing the age and sex-standardized prevalences of selected NCDs from a 2010 survey in Pau da Lima, Salvador Brazil, with a 2010 national population-based telephone survey. NCD prevalences in both populations were similar for hypertension (23.6% (95% CI 20.9–26.4) and 22.9% (21.2–24.6), respectively) and for dyslipidemia (22.7% (19.8–25.5) and 21.5% (19.7–23.4)). Slum residents had higher prevalences of diabetes mellitus (10.1% (7.9–12.3)) and of overweight/obesity (46.5% (43.1–49.9)), compared to 5.2% (4.2–6.1) and 40.6% (38.5–42.8) of the general population in Salvador. Fourteen percent (14.5% (12.1–17.0)) of slum residents smoked cigarettes compared to 8.3% (7.1–9.5) of the general population in Salvador. The national telephone survey underestimated the prevalence of diabetes mellitus, overweight/obesity, and smoking in the slum population, likely in part due to differential sampling inside and outside of slums. Further research and targeted policies are needed to mitigate these inequalities, which could have significant economic and social impacts on slum residents and their communities. View Full-Text
Keywords: epidemiology; chronic illness; urban slum; inequality; favela epidemiology; chronic illness; urban slum; inequality; favela
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Snyder, R.E.; Rajan, J.V.; Costa, F.; Lima, H.C.A.V.; Calcagno, J.I.; Couto, R.D.; Riley, L.W.; Reis, M.G.; Ko, A.I.; Ribeiro, G.S. Differences in the Prevalence of Non-Communicable Disease between Slum Dwellers and the General Population in a Large Urban Area in Brazil. Trop. Med. Infect. Dis. 2017, 2, 47.

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