Social conditions and disability related to the mortality of older people in rural South Africa.


Gómez-Olivé, FX; Thorogood, M; Bocquier, P; Mee, P; Kahn, K; Berkman, L; Tollman, S; (2014) Social conditions and disability related to the mortality of older people in rural South Africa. International journal of epidemiology, 43 (5). pp. 1531-41. ISSN 0300-5771 DOI: 10.1093/ije/dyu093

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Abstract

South Africa is experiencing a health and social transition including an ageing population and an HIV epidemic. We report mortality experience of an older rural South African population. Individual survey data and longer-term demographic data were used to describe factors associated with mortality. Individuals aged 50 years and over (n¼4085) answered a health and quality of life questionnaire in 2006 and were followed for 3 years thereafter. Additional vital events and socio-demographic data were extracted from the Agincourt Health and Demographic Surveillance System from 1993 to 2010, to provide longer-term trends in mortality. Cox regression analysis was used to determine factors related to survival. In 10 967 person-years of follow-up between August 2006 and August 2009,377 deaths occurred. Women had lower mortality {hazard ratio [HR] 0.35 [95% confidence interval (CI) 0.28–0.45]}. Higher mortality was associated with being single[HR 1.48 (95% CI 1.16–1.88)], having lower household assets score [HR 1.79 (95%CI 1.28–2.51)], reporting greater disability [HR 2.40 (95% CI 1.68–3.42)] and poorer quality of life [HR 1.59 (95% CI 1.09–2.31)]. There was higher mortality in those aged under 69 as compared with those 70 to 79 years old. Census data and cause specific regression models confirmed that this was due to deaths from HIV/TB in the younger age group. Mortality due to HIV/TB is increasing in men, and to some extent women,aged over 50. Policy makers and practitioners should consider the needs of this growing and often overlooked group.

Item Type: Article
Faculty and Department: Faculty of Public Health and Policy > Dept of Social and Environmental Health Research
Research Centre: Population Studies Group
PubMed ID: 24836326
Web of Science ID: 343972200027
URI: http://researchonline.lshtm.ac.uk/id/eprint/2507981

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