Precarious transition: a mortality study of South African ex-miners

BMC Public Health
Kim BlochRodney I Ehrlich

Abstract

Despite their burden of a triple epidemic of silicosis, tuberculosis and HIV infection, little is known about the mortality experience of miners from the South African mining industry once they leave employment. Such information is important because of the size and dispersion of this population across a number of countries and the progressive nature of these diseases. This study included 306,297 South African miners who left the industry during 2001-2013. The study aimed to calculate crude and standardised mortality rates, identify secular trends in mortality and model demographic and occupational risk factors for mortality. Crude mortality rates peaked in the first year after exit (32.8/1000 person-years), decreasing with each year from exit. Overall mortality was 20% higher than in the general population. Adjusted annual mortality halved over the 12 year period. Mortality predictors were being a black miner [adjusted hazard ratio (aHR) 3.30; 95% confidence interval (CI) 3.15-3.46]; underground work (aHR 1.33; 95% CI 1.28-1.39); and gold aHR 1.15 (95% CI 1.12-1.19) or multiple commodity employment (aHR 1.15; 95% CI 1.11-1.19). This is the first long-term mortality assessment in the large ex-miner population from the South Afri...Continue Reading

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Citations

Jan 3, 2020·Journal of Occupational and Environmental Medicine·Ahmed A Arif, Oluwaseun Adeyemi
Mar 19, 2020·International Journal of Environmental Research and Public Health·Kerry S WilsonNisha Naicker
Oct 10, 2018·Occupational and Environmental Medicine·Rodney I Ehrlich
Jul 11, 2019·Environmental Geochemistry and Health·Alex G Stewart
Sep 23, 2020·International Journal of Environmental Research and Public Health·Masilu Daniel MasekameniChimwemwe Chamdimba
Feb 2, 2021·Tropical Medicine and Health·Mayumi OhnishiWakako Fujita

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