... characteristics, and the number of siblings. The results are reported in table 1. There is a strong and negative association between the sibship size and educational attainment of both men and women, ... although the adulthood characteristics explain a large part of the variation in the data.V. Estimation Results(a) Relationship between Sibship Size and Education First, I estimate the statistical ... related to certain health conditions later in life, using the population-based survey data of the Mexican elderly. The sibship size is strongly correlated with one’s educational attainment, and...