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

  • D. Omariba

    ()

  • Roderic Beaujot
  • Fernando Rajulton
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    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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    File URL: http://hdl.handle.net/10.1007/s11113-007-9031-z
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    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
    Contact details of provider: Web page: http://www.springerlink.com/link.asp?id=102983

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    1. 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.
    2. 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, November.
    3. Defo, B.A., 1996. "Areal and Socioeconomic Differentials in Infant and Child Mortality in Cameroon," Papers 96-05, RAND - Reprint Series.
    4. 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.
    5. 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.
    6. 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.
    7. 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.
    8. L. Randall Wray & Stephanie Bell, 2004. "Introduction," Chapters, in: Credit and State Theories of Money, chapter 1 Edward Elgar.
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