Incidence correction factors for moderate and severe acute child malnutrition from two longitudinal cohorts in Mali and Burkina Faso

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dc.creatorBarba, Francisco M.
dc.creatorHuybregts, Lieven
dc.creatorLeroy, Jef L.
dc.date2020-08-01
dc.date2024-05-22T12:10:20Z
dc.date2024-05-22T12:10:20Z
dc.date.accessioned2026-06-27T15:01:55Z
dc.descriptionChild acute malnutrition (AM) is an important cause of child mortality. Accurately estimating its burden requires cumulative incidence data from longitudinal studies which are rarely available in low-income settings. In the absence of such data, the AM burden is approximated using prevalence estimates from cross-sectional surveys and the incidence correction factor K⁠, obtained from the few available cohorts that measured AM. We estimated K factors for severe acute malnutrition (SAM) and moderate acute malnutrition (MAM) from AM incidence and prevalence using representative cross-sectional baseline and longitudinal data from two cluster-randomized controlled trials (Innovative Approaches for the Prevention of Childhood Malnutrition—PROMIS) conducted between 2014 and 2017 in Burkina Faso and Mali. We compared K estimates using a complete (weight-for-length z score, mid-upper arm circumference (MUAC), edema) and partial (MUAC, edema) definition of SAM and MAM. K estimates ranged from 9.4 and 5.7 for SAM, and from 4.7 and 5.1 for MAM in Burkina Faso and Mali, respectively. The MUAC and edema-based definition of AM did not lead to different K estimates. Our results suggest that K can be reliably estimated when only MUAC and edema-based data are available. Additional studies, however, are required to confirm this finding in different settings.
dc.identifierhttps://hdl.handle.net/10568/142338
dc.identifier.urihttp://hdl.handle.net/123456789/92616
dc.languageen
dc.publisherOxford University Press
dc.publisherJohns Hopkins Bloomberg School of Public Health
dc.rightsOpen Access
dc.sourceBarba, Francisco M.; Huybregts, Lieven; and Leroy, Jef L. 2020. Incidence correction factors for moderate and severe acute child malnutrition from two longitudinal cohorts in Mali and Burkina Faso. American Journal of Epidemiology 189(12): 1623–1627. https://doi.org/10.1093/aje/kwaa139
dc.subjectchild nutrition
dc.subjectmalnutrition
dc.subjectchildren
dc.subjectcohort studies
dc.subjectlongitudinal studies
dc.titleIncidence correction factors for moderate and severe acute child malnutrition from two longitudinal cohorts in Mali and Burkina Faso
dc.typeJournal Article

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Instituto Internacional de Investigación sobre Políticas Alimentarias (IFPRI)