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Birth registration and child undernutrition in sub-saharan Africa

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dc.affiliation.dptoUC3M. Departamento de Estadísticaes
dc.contributor.authorComandini, Ornella
dc.contributor.authorCabras, Stefano
dc.contributor.authorMarini, Elisabetta
dc.date.accessioned2021-06-09T08:17:25Z
dc.date.available2021-06-09T08:17:25Z
dc.date.issued2016-07
dc.description.abstractObjective: In many countries of the world millions of people are not registered at birth. However, in order to assess children’s nutritional status it is necessary to have an exact knowledge of their age. In the present paper we discuss the effects of insufficient or imprecise age data on estimates of undernutrition prevalence. Design: Birth registration rates and levels of stunting, underweight and wasting were retrieved from Multiple Indicator Cluster Surveys and Demographic and Health Surveys of thirty-seven sub-Saharan African countries, considering the subdivision in wealth quintiles. The composition of the cross-sectional sample used for nutritional evaluation was analysed using a permutation test. Logistic regression was applied to analyse the relationship between birth registration and undernutrition. The 95 % probability intervals and Student’s t test were used to evaluate the effect of age bias and error. Results: Heterogeneous sampling designs were detected among countries, with different percentages of children selected for anthropometry. Further, registered children were slightly more represented within samples used for nutritional analysis than in the total sample. A negative relationship between birth registration and undernutrition was recognized, with registered children showing a better nutritional status than unregistered ones, even within each wealth quintile. The over- or underestimation of undernutrition in the case of systematic over- or underestimation of age, respectively, the latter being more probable, was quantified up to 28 %. Age imprecision was shown to slightly overestimate undernutrition. Conclusions: Selection bias towards registered children and underestimation of children’s age can lead to an underestimation of the prevalence of undernutrition.en
dc.format.extent11
dc.identifier.bibliographicCitationComandini, O., Cabras, S. & Marini, E. (2015). Birth registration and child undernutrition in sub-Saharan Africa. Public Health Nutrition, 19(10), pp. 1757–1767.en
dc.identifier.doihttps://doi.org/10.1017/S136898001500333X
dc.identifier.issn1368-9800
dc.identifier.publicationfirstpage1757
dc.identifier.publicationissue10
dc.identifier.publicationlastpage1767es
dc.identifier.publicationtitlePublic Health Nutritionen
dc.identifier.publicationvolume19
dc.identifier.urihttps://hdl.handle.net/10016/32853
dc.identifier.uxxiAR/0000017831
dc.language.isoenges
dc.publisherCambridge University Pressen
dc.rights© The Authors 2015en
dc.rights.accessRightsopen accessen
dc.subject.ecienciaEstadísticaes
dc.subject.otherStuntingen
dc.subject.otherWastingen
dc.subject.otherUnderweighten
dc.subject.otherDemographic and health surveysen
dc.subject.otherMultiple indicator cluster surveysen
dc.titleBirth registration and child undernutrition in sub-saharan Africaen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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