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Green, R and Sutherland, J and Dangour, A and Shankar, Bhavani and Webb, P (2016) 'Global dietary quality, undernutrition and non-communicable disease: a longitudinal modelling study.' BMJ Open, 6 (1). pp. 1-9.

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Abstract

OBJECTIVES: To determine the relationship between global dietary energy availability and dietary quality, and nutrition-related health outcomes. // DESIGN: A worldwide longitudinal modelling study using country-level data. Data on total dietary energy availability and dietary energy from 10 distinct food groups (as a proxy for dietary quality) were obtained from the FAO Food Balance Sheets database. Indicators of development were abstracted from the World Bank's World Development Indicators database. Data on nutrition and health outcomes were taken from the WHO mortality database and major cross-country analyses. We investigated associations of energy availability from food groups and health and nutrition outcomes in the combined data set using mixed effects models, while adjusting for measures of development. // POPULATION: 124 countries over the period 1980–2009. // MAIN OUTCOME MEASURES: Prevalence of stunting in children under 5 years and mortality rate from ischaemic heart disease (IHD) in adults aged 55+ years. // RESULTS: From 1980 to 2009, global dietary energy availability increased, and rates of child stunting and adult IHD mortality declined. After adjustment for measures of development, increased total dietary energy availability was significantly associated with reduced stunting rates (−0.84% per 100 kcal increase in energy, 95% CI −0.97 to −0.72) and non-significantly associated with increased IHD mortality rates (by 4.2 deaths per 100 000/100 kcal increase, 95% CI −1.85 to 10.2). Further analysis demonstrated that the changing availability of energy from food groups (particularly fruit, vegetables, starchy roots, meat, dairy and sugar) was important in explaining the associations with health outcomes. // CONCLUSIONS: Our study has demonstrated that by combining large, publicly available data sets, important patterns underlying trends in diet-related health can be uncovered. These associations remain even after accounting for measures of development over a 30-year period. Further work and joined-up multisectoral thinking will be required to translate these patterns into policies that can improve nutrition and health outcomes globally.

Item Type: Journal Article
SOAS Departments & Centres: Departments and Subunits > Interdisciplinary Studies > Centre for Development, Environment and Policy
Legacy Departments > Faculty of Law and Social Sciences > School of Finance and Management > Centre for Development, Environment and Policy (CeDEP)
Copyright Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
DOI (Digital Object Identifier): https://doi.org/10.1136/bmjopen-2015-009331
Date Deposited: 29 Jan 2016 10:05
URI: https://eprints.soas.ac.uk/id/eprint/21835

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