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African Population Studies
Union for African Population Studies
ISSN: 0850-5780
Vol. 20, No. 1, 2005, pp. 1-17
Bioline Code: ep05001
Full paper language: English
Document type: Research Article
Document available free of charge

African Population Studies, Vol. 20, No. 1, 2005, pp. 1-17

 en Using WinBUGS to Study Family Frailty in Child Mortality, with an Application to Child Survival in Ivory Coast
Koissi, Marie-Claire & Högnäs, Göran


This article analyzes the effects of unobserved family heterogeneity in children survival times through a Bayesian approach. We rely on survey data from Ivory Coast and use a proportional hazard model with multiplicative random effect. With such a model, the usual assumption of independence of observations is avoided. The posterior distributions of the parameters are estimated through a Gibbs sampler algorithm using the WinBUGS software. This technique overcomes the possible local convergence problem observed with the commonly used Expectation-Maximization method.

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