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The increased contribution of women in consensual union to fertility in Brazil: an analysis of decomposition.

Paula Guedes, Universidade Federal de Minas Gerais (UFMG)
Ana Paula Verona, Universidade Federal De Minas Gerais

In Brazil, the percentage of births that occurred during the twelve months prior to the reference date of each Brazilian Census of 1980 and 2010, among women in consensual union, in relation to formally married and unmarried women, increased in all subgroups of characteristics sociodemographic. The objective of this work is to measure the contribution of changes in the composition and coefficient components in increasing the proportion of births attributed to women in consensual union in the calculation of total fertility in Brazil. The databases of the Brazilian Demographic Census of 1980 and 2010 are used. The methods employed are logistic regression and multivariate decomposition for non-linear models. The composition of the education variable contributed positively to the drop in births within the consensual union. However, when analyzing the changes in the coefficients, that is, in the reproductive behavior, the education variable was the one that most contributed negatively to the drop in births. The chance of a woman having a child within the consensual union has increased at all levels of education. School expansion made the group of women with more schooling heterogeneous, a fact that possibly reflected in the propensity of this group to form consensual unions.

Keywords: Decomposition analysis/methods, Fertility and childbirth

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  Presented in Session P3.