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Trends in the association between educational assortative mating, infant and child mortality in Nigeria

Tolulope Ariyo, Xi'an Jiaotong University
Quanbao Jiang, Institute for Population and development Studies, Xi'an Jiaotong University

Existing knowledge has established the connectedness between maternal education and child survival, but little is known on how educational assortative mating (EAM) relates to childhood mortality. We examined this relationship, in the context of Nigeria. Our sample includes 29,203 newborns obtained from the 2018 Nigeria Demographic and Health Survey. The dependent variables include risks of infant mortality and child mortality. The independent variable, EAM, had four categories (high-education homogamy, low-education homogamy, hypergamy, and hypogamy). Multivariate analysis includes Cox proportional hazard regression with the frailty model. Mortality rates across the spectrum of EAM were estimated using the synthetic cohort technique. Compared to the children of mothers in low-education homogamy, children of mothers in high-education homogamy had 18% less likelihood of infant mortality. Also, compared to the children of mothers in low-education homogamy, children of mothers in high-education homogamy had a 55% less child mortality, children of mothers in hypergamy had a 21% less likelihood of child mortality Expectedly, mortality rates for both infant and child mortality was highest among the low-education homogamy group, 830/00 and 1080/00, respectively. However, both infant and child mortality rates were relatively lower where mothers were hypogamous (51, 35) than hypergamous (56, 57).

Keywords: Children and youth, Mortality, Gender, Demographic and social surveys

See extended abstract.

  Presented in Session P19.