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Reducing the sodium content of high-salt foods: Effect on cardiovascular disease in South Africa
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Global Health.
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2012 (English)In: SAMJ South African Medical Journal, ISSN 0256-9574, Vol. 102, no 9, 743-745 p.Article in journal (Refereed) Published
Abstract [en]

Background. Average salt intake in South African (SA) adults, 8.1 g/day, is higher than the 4 - 6 g/day recommended by the World Health Organization. Much salt consumption arises from non-discretionary intake (the highest proportion from bread, with contributions from margarine, soup mixes and gravies). This contributes to an increasing burden of hypertension and cardiovascular disease (CVD). Objectives. To provide SA-specific information on the number of fatal CVD events (stroke, ischaemic heart disease and hypertensive heart disease) and non-fatal strokes that would be prevented each year following a reduction in the sodium content of bread, soup mix, seasoning and margarine. Methods. Based on the potential sodium reduction in selected products, we calculated the expected change in population-level systolic blood pressure (SBP) and mortality due to CVD and stroke. Results. Proposed reductions would decrease the average salt intake by 0.85 g/person/day. This would result in 7 400 fewer CVD deaths and 4 300 less non-fatal strokes per year compared with 2008. Cost savings of up to R300 million would also occur. Conclusion. Population-wide strategies have great potential to achieve public health gains as they do not rely on individual behaviour or a well-functioning health system. This is the first study to show the potential effect of a salt reduction policy on health in SA.

Place, publisher, year, edition, pages
Pretoria: South African Medical Association , 2012. Vol. 102, no 9, 743-745 p.
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Medical and Health Sciences
URN: urn:nbn:se:umu:diva-61370DOI: 10.7196/SAMJ.5832ISI: 000309445000015OAI: diva2:570034
Available from: 2012-11-16 Created: 2012-11-12 Last updated: 2012-11-16Bibliographically approved

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