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Title: Mapping child growth failure across low- and middle-income countries
Author: Ausloos, Marcel
Local Burden of Disease Child Growth Failure Collaborators
Keywords: Malnutrició
Issue Date: 8-Jan-2020
Publisher: Nature Publishing Group
Abstract: Childhood malnutrition is associated with high morbidity and mortality globally1 . Undernourished children are more likely to experience cognitive, physical, and metabolic developmental impairments that can lead to later cardiovascular disease, reduced intellectual ability and school attainment, and reduced economic productivity in adulthood2 . Child growth failure (CGF), expressed as stunting, wasting, and underweight in children under fve years of age (0–59 months), is a specifc subset of undernutrition characterized by insufcient height or weight against age-specifc growth reference standards3–5 . The prevalence of stunting, wasting, or underweight in children under fve is the proportion of children with a height-for-age, weight-for-height, or weight-for-age z-score, respectively, that is more than two standard deviations below the World Health Organization’s median growth reference standards for a healthy population6 . Subnational estimates of CGF report substantial heterogeneity within countries, but are available primarily at the frst administrative level (for example, states or provinces)7 ; the uneven geographical distribution of CGF has motivated further calls for assessments that can match the local scale of many public health programmes8 . Building from our previous work mapping CGF in Africa9 , here we provide the frst, to our knowledge, mapped highspatial-resolution estimates of CGF indicators from 2000 to 2017 across 105 low- and middle-income countries (LMICs), where 99% of afected children live1 , aggregated to policy-relevant frst and second (for example, districts or counties) administrativelevel units and national levels. Despite remarkable declines over the study period, many LMICs remain far from the ambitious World Health Organization Global Nutrition Targets to reduce stunting by 40% and wasting to less than 5% by 2025. Large disparities in prevalence and progress exist across and within countries; our maps identify high-prevalence areas even within nations otherwise succeeding in reducing overall CGF prevalence. By highlighting where the highest-need populations reside, these geospatial estimates can support policy-makers in planning interventions that are adapted locally and in efciently directing resources towards reducing CGF and its health implications.
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It is part of: Nature, 2020, vol. 577, p. 231–234
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ISSN: 0028-0836
Appears in Collections:Articles publicats en revistes (ISGlobal)

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