Alternative approaches for creating a wealth index: the case of Mozambique

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dc.contributor.authorXie, Kexinen
dc.contributor.authorMarathe, Achlaen
dc.contributor.authorDeng, Xinweien
dc.contributor.authorRuiz-Castillo, Paulaen
dc.contributor.authorImputiua, Saimadoen
dc.contributor.authorElobolobo, Eldoen
dc.contributor.authorMutepa, Victoren
dc.contributor.authorSale, Mussaen
dc.contributor.authorNicolas, Patriciaen
dc.contributor.authorMontana, Juliaen
dc.contributor.authorJamisse, Edgaren
dc.contributor.authorMunguambe, Humbertoen
dc.contributor.authorMaterrula, Felisbelaen
dc.contributor.authorCasellas, Ainaen
dc.contributor.authorRabinovich, Reginaen
dc.contributor.authorSaute, Franciscoen
dc.contributor.authorChaccour, Carlos J.en
dc.contributor.authorSacoor, Charfudinen
dc.contributor.authorRist, Cassidyen
dc.coverage.countryMozambiqueen
dc.date.accessioned2023-11-10T20:28:03Zen
dc.date.available2023-11-10T20:28:03Zen
dc.date.issued2023-08en
dc.date.updated2023-11-10T15:17:28Zen
dc.description.abstractIntroduction: The wealth index is widely used as a proxy for a household's socioeconomic position (SEP) and living standard. This work constructs a wealth index for the Mopeia district in Mozambique using data collected in year 2021 under the BOHEMIA (Broad One Health Endectocide-based Malaria Intervention in Africa) project. Methods: We evaluate the performance of three alternative approaches against the Demographic and Health Survey (DHS) method based wealth index: feature selection principal components analysis (PCA), sparse PCA and robust PCA. The internal coherence between four wealth indices is investigated through statistical testing. Validation and an evaluation of the stability of the wealth index are performed with additional household income data from the BOHEMIA Health Economics Survey and the 2018 Malaria Indicator Survey data in Mozambique. Results: The Spearman's rank correlation between wealth index ventiles from four methods is over 0.98, indicating a high consistency in results across methods. Wealth rankings and households' income show a strong concordance with the area under the curve value of ∼0.7 in the receiver operating characteristic analysis. The agreement between the alternative wealth indices and the DHS wealth index demonstrates the stability in rankings from the alternative methods. Conclusions: This study creates a wealth index for Mopeia, Mozambique, and shows that DHS method based wealth index is an appropriate proxy for the SEP in low-income regions. However, this research recommends feature selection PCA over the DHS method since it uses fewer asset indicators and constructs a high-quality wealth index.en
dc.description.versionPublished versionen
dc.format.extent10 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN e012639 (Article number)en
dc.identifier.doihttps://doi.org/10.1136/bmjgh-2023-012639en
dc.identifier.eissn2059-7908en
dc.identifier.issn2059-7908en
dc.identifier.issue8en
dc.identifier.orcidDeng, Xinwei [0000-0002-1560-2405]en
dc.identifier.orcidRist, Cassidy [0000-0002-7558-8094]en
dc.identifier.otherPMC10465889en
dc.identifier.otherbmjgh-2023-012639 (PII)en
dc.identifier.pmid37643807en
dc.identifier.urihttp://hdl.handle.net/10919/116648en
dc.identifier.volume8en
dc.language.isoenen
dc.publisherBMJen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/37643807en
dc.rightsCreative Commons Attribution-NonCommercial 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/en
dc.subjectpublic healthen
dc.subjectindices of health and disease and standardisation of ratesen
dc.subjecthealth services researchen
dc.subject4203 Health Services and Systemsen
dc.subject4206 Public Healthen
dc.subject42 Health Sciencesen
dc.subject8.4 Research design and methodologies (health services)en
dc.subject8 Health and social care services researchen
dc.subject3 Good Health and Well Beingen
dc.subject.meshHumansen
dc.subject.meshHealth Surveysen
dc.subject.meshPovertyen
dc.subject.meshAfricaen
dc.subject.meshMozambiqueen
dc.subject.meshOne Healthen
dc.titleAlternative approaches for creating a wealth index: the case of Mozambiqueen
dc.title.serialBMJ Global Healthen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
dcterms.dateAccepted2023-07-31en
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/Statisticsen
pubs.organisational-group/Virginia Tech/Veterinary Medicineen
pubs.organisational-group/Virginia Tech/Veterinary Medicine/Population Health Sciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen

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