Volume 38 - Article 15 | Pages 335–372 Author has provided data and code for replicating results

Global estimation of neonatal mortality using a Bayesian hierarchical splines regression model

By Monica Alexander, Leontine Alkema

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Date received:17 Dec 2016
Date published:25 Jan 2018
Word count:9000
Keywords:Bayesian hierarchical model, millennium development goals, neonatal mortality
DOI:10.4054/DemRes.2018.38.15
Additional files:readme.38-15 (text file, 727 Byte)
 demographic-research.38-15 (zip file, 173 kB)
 

Abstract

Background: In recent years, much of the focus in monitoring child mortality has been on assessing changes in the under-5 mortality rate (U5MR). However, as the U5MR decreases, the share of neonatal deaths (within the first month) tends to increase, warranting increased efforts in monitoring the neonatal mortality rate (NMR) in addition to the U5MR.

Objective: Data on neonatal deaths comes from a range of sources across different countries, with the amount of data available and the quality of data varying widely. Our objective in estimating the NMR globally is to combine all data sources available to obtain accurate estimates, be able to project mortality levels, and have some indication of the uncertainty in the estimates and projections.

Methods: We present a new model for estimating the NMR for countries worldwide, using a Bayesian hierarchical model framework.

Contribution: Our modeling approach offers an intuitive way to share information across different countries and time points, and incorporates different sources of error into the estimates. It also improves on previous modeling approaches by allowing for trends observed in NMR to be more driven by the data available, rather than trends in covariates.

Author's Affiliation

Monica Alexander - University of California, Berkeley, United States of America [Email]
Leontine Alkema - National University of Singapore, Singapore [Email]

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