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Determinants of infant and child mortality in Kenya: an analysis controlling for frailty effects

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  • D. Omariba

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  • Roderic Beaujot
  • Fernando Rajulton
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    Abstract

    In this paper, Weibull unobserved heterogeneity (frailty) survival models are utilized to analyze the determinants of infant and child mortality in Kenya. The results of these models are compared to those of standard Weibull survival models. The study particularly examines the extent to which child survival risks continue to vary net of observed factors and the extent to which nonfrailty models are biased due to the violation of the statistical assumption of independence. The data came from the 1998 Kenya Demographic and Health Survey. The results of the standard Weibull survival models clearly show that biodemographic factors are more important in explaining infant mortality, while socioeconomic, sociocultural and hygienic factors are more important in explaining child mortality. Frailty effects are substantial and highly significant both in infancy and in childhood, but the conclusions remain the same as in the nonfrailty models. Copyright Springer Science+Business Media B.V. 2007

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    Bibliographic Info

    Article provided by Springer in its journal Population Research and Policy Review.

    Volume (Year): 26 (2007)
    Issue (Month): 3 (June)
    Pages: 299-321

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    Handle: RePEc:kap:poprpr:v:26:y:2007:i:3:p:299-321

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    Web page: http://www.springerlink.com/link.asp?id=102983

    Related research

    Keywords: Determinants of infant and child mortality; Mortality differentials; Unobserved heterogeneity; Frailty; Sub-Saharan Africa; Kenya;

    References

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    1. Sonalde Desai & Soumya Alva, 1998. "Maternal education and child health: Is there a strong causal relationship?," Demography, Springer, vol. 35(1), pages 71-81, February.
    2. Nyambedha, Erick Otieno & Wandibba, Simiyu & Aagaard-Hansen, Jens, 2003. "Changing patterns of orphan care due to the HIV epidemic in western Kenya," Social Science & Medicine, Elsevier, vol. 57(2), pages 301-311, July.
    3. Mario Cleves & William W. Gould & Roberto G. Gutierrez & Yulia Marchenko, 2010. "An Introduction to Survival Analysis Using Stata," Stata Press books, StataCorp LP, edition 3, number saus3, March.
    4. Nyambedha, Erick Otieno & Wandibba, Simiyu & Aagaard-Hansen, Jens, 2001. "Policy implications of the inadequate support systems for orphans in Western Kenya," Health Policy, Elsevier, vol. 58(1), pages 83-96, October.
    5. Defo, Barthélémy Kuate, 1996. "Areal and socioeconomic differentials in infant and child mortality in Cameroon," Social Science & Medicine, Elsevier, vol. 42(3), pages 399-420, February.
    6. Defo, B.A., 1996. "Areal and Socioeconomic Differentials in Infant and Child Mortality in Cameroon," Papers 96-05, RAND - Reprint Series.
    7. Yamano, Takashi & Jayne, T. S., 2004. "Measuring the Impacts of Working-Age Adult Mortality on Small-Scale Farm Households in Kenya," World Development, Elsevier, vol. 32(1), pages 91-119, January.
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    Cited by:
    1. Cynthia Chen & Jason Chen, 2009. "What is responsible for the response lag of a significant change in discretionary time use: the built environment, family and social obligations, temporal constraints, or a psychological delay factor?," Transportation, Springer, vol. 36(1), pages 27-46, January.
    2. Eva Deuchert & Conny Wunsch, 2010. "Evaluating Nationwide Health Interventions when Standard Before-After Doesn't Work: Malawi's ITN Distribution Program," CESifo Working Paper Series 3036, CESifo Group Munich.
    3. Walter Rasugu Omariba & Fernando Rajulton & Roderic Beaujot, 2008. "Correlated mortality risks of siblings in Kenya," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 18(11), pages 311-336, April.
    4. Lay, Jann & Robilliard, Anne-Sophie, 2009. "The complementarity of MDG achievements : the case of child mortality in Sub-Saharan Africa," Policy Research Working Paper Series 5062, The World Bank.
    5. Emily Smith-Greenaway & Jenny Trinitapoli, 2014. "Polygynous Contexts, Family Structure, and Infant Mortality in Sub-Saharan Africa," Demography, Springer, vol. 51(2), pages 341-366, April.
    6. Han, Peter & Foltz, Jeremy, 2013. "The Impacts of Climate Shocks on Child Mortality in Mali," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 150395, Agricultural and Applied Economics Association.

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