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Adoption Does Not Increase the Risk of Mortality among Taiwanese Girls in a Longitudinal Analysis

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  • Siobhán M Mattison
  • Melissa J Brown
  • Bruce Floyd
  • Marcus W Feldman

Abstract

Adopted children often experience health and well-being disadvantages compared to biological children remaining in their natal households. The degree of genetic relatedness is thought to mediate the level of parental investment in children, leading to poorer outcomes of biologically unrelated children. We explore whether mortality is related to adoption in a historical Taiwanese population where adoption rarely occurred among kin. Using Cox proportional hazards models in which adoption is included as a time-dependent covariate, we show that adoption of girls does not increase the risk of mortality, as previously suggested; in fact, it is either protective or neutral with respect to mortality. These results suggest that socio-structural variables may produce positive outcomes for adopted children, even compared to biological children who remain in the care of their parents.

Suggested Citation

  • Siobhán M Mattison & Melissa J Brown & Bruce Floyd & Marcus W Feldman, 2015. "Adoption Does Not Increase the Risk of Mortality among Taiwanese Girls in a Longitudinal Analysis," PLOS ONE, Public Library of Science, vol. 10(4), pages 1-18, April.
    • Handle: RePEc:plo:pone00:0122867
    DOI: 10.1371/journal.pone.0122867
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