Polygyny and child survival in Nigeria: Age-dependent effects |
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Authors: | Festus A Ukwuani Gretchen T Cornwell Chirayath M Suchindran |
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Institution: | (1) Carolina Population Center, University of North Carolina at Chapel Hill, 123 West Franklin Street, 27516 Chapel Hill, NC, USA;(2) Pennsylvania State University, Pennsylvania, USA |
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Abstract: | Mortality risks under age five are estimated using data from the 1990 Nigerian Demographic and Health Survey for children
in monogamous and polygynous families. Integrating existing theories on polygyny’s relationship with infant and child mortality
and some demographic concepts, the study shows that polygyny has different effects on infant and child mortality at different
ages. The results indicate that polygyny does not have a significant effect on neonatal mortality (age less than one month).
In contrast to the results of previous research, polygyny is significantly associated with lower child mortality during the
post-neonatal period (1–11 months), but not during childhood (12–59 months). The study found socio-economic factors to be
important confounders of the relationship between polygyny and mortality during the neonatal and post-neonatal periods. The
protective effect of polygyny during the post-neonatal period suggests the need to further investigate circumstances that
may favour post-neonatal child survival in polygynous families including availability of childcare. |
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