Cois, A, Abdelatief, N, Steyn, N, Turawa, E B, Awotiwon, O F, Roomaney, R A, Neethling, I, Joubert, J D, Pacella, R ORCID: https://orcid.org/0000-0002-9742-1957, Bradshaw, D and Pillay van-Wyk, V (2022) Estimating the burden of disease attributable to a diet low in fruit and vegetables in South Africa for 2000, 2006 and 2012. South African Medical Journal, 112 (8B). pp. 617-626. ISSN 0256-9574 (Print), 2078-5135 (Online) (doi:10.7196/samj.2022.v112i8b.16486)

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Abstract

Background. Low intake of fruit and vegetables is associated with an increased risk of various non-communicable diseases, including major causes of death and disability such as cardiovascular disease, diabetes mellitus and cancers. Diets low in fruit and vegetables are prevalent in the South African (SA) population, and average intake is well below the internationally recommended threshold.

Objectives. To estimate the burden of disease attributable to a diet low in fruit and vegetables by sex and age group in SA for the years 2000, 2006 and 2012.

Methods. We followed World Health Organization and Global Burden of Disease Study comparative risk assessment methodology. Population attributable fractions – calculated from fruit and vegetable intake estimated from national and local surveys and relative risks for health outcomes based on the current literature – were applied to the burden estimates from the second South African National Burden of Disease Study (SANBD2). Outcome measures included deaths and disability-adjusted life years (DALYs) lost from ischaemic heart disease, stroke, type 2 diabetes, and five categories of cancers.

Results. Between 2000 and 2012, the average intake of fruit of the SA adult population (≥25 years) declined by 7%, from 48.5 g/d (95% uncertainty interval (UI) 46.6 - 50.5) to 45.2 g/d (95% UI 42.7 - 47.6). Vegetable intake declined by 25%, from 146.9 g/d (95% UI 142.3 - 151.8) to 110.5 g/d (95% UI 105.9 - 115.0). In 2012, these consumption patterns are estimated to have caused 26 423 deaths (95% UI 24 368 - 28 006), amounting to 5.0% (95% UI 4.6 - 5.3%) of all deaths in SA, and the loss of 514 823 (95% UI 473 508 - 544 803) healthy life years or 2.5% (95% UI 2.3 - 2.6%) of all DALYs. Cardiovascular disease comprised the largest proportion of the attributable burden, with 83% of deaths and 84% of DALYs. Age-standardised death rates were higher for males (145.1 deaths per 100 000; 95% UI 127.9 - 156.2) than for females (108.0 deaths per 100 000; 95% UI 96.2 - 118.1); in both sexes, rates were lower than those observed in 2000 (–9% and –12%, respectively).

Conclusion. Despite the overall reduction in standardised death rates observed since 2000, the absolute burden of disease attributable to inadequate intake of fruit and vegetables in SA remains of significant concern. Effective interventions supported by legislation and policy are needed to reverse the declining trends in consumption observed in most age categories and to curb the associated burden.

Item Type:	Article
Uncontrolled Keywords:	South Africa, burden of disease, comparative risk assessment, Fruit and vegetable intake
Subjects:	R Medicine > RA Public aspects of medicine
Faculty / School / Research Centre / Research Group:	Faculty of Education, Health & Human Sciences Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development > Centre for Chronic Illness and Ageing
Last Modified:	24 Oct 2022 13:32
URI:	http://gala.gre.ac.uk/id/eprint/37855

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