Martin, Steven P. Working paper no. 1998-13 Abstract This study uses survey data to estimate the overall contraceptive effect of breastfeeding in the United States. In the six months following a first birth, repeat pregnancy rates are low for most U.S. women, but they are lowest for women with a nonteen first birth who are …
Wells, Thomas Working paper no. 1998-14 Abstract This research note investigates trends in occupational sex segregation between 1980 and 1997. Using PUMS data from the 1980 and the 1990 censuses as well as microdata from the March 1990 and March 1997 CPS, I compute unstandardized and standardized indexes of dissimilarity as measures of occupational segregation. …
Cook, Steven T., Enilda Delgado, and Gary Sandefur Working paper no. 1998-18 Abstract Births that are conceived before a first marriage result in difficult decisions about where and with whom the mother should live, and how she should support herself and her child. These decisions are influenced by personal characteristics of the young mother and …
Liebler, Carolyn, and Gary Sandefur Working paper no. 1998-19 Abstract What is the structure of exchange of social support between mature adults and their friends, neighbors, and coworkers? What factors are associated with involvement with different types of exchange? In this paper, we address these questions with respect to four types of social support: (1) …
De Vos, Susan Working paper no. 1998-20 Abstract This paper uses census data from Chile and Mexico to describe the coresidential kinship ties of unmarried elderly (60+ years of age) women and to examine the importance of having children and socioeconomic characteristics on their likelihood of living alone. The countries were similar in that they …
De Vos, Susan Working paper no. 1998-21
Miech, Richard Allen, Michael J. Shanahan, and Glen H. Elder Jr. Working paper no. 1998-24
Grzywacz, Joseph, and Nadine Marks Working paper no. 1998-25 Abstract Objectives: Rational decision models (i.e., value expectancy models) have dominated exercise research. Guided by ecological theory, this study proposed that contextual factors within the family and work microsystems, and the work-family mesosystem would be associated with participation in regular vigorous exercise habits. Methods: Cross-sectional self-report data …
Velyvis, Kristen Working paper no. 1998-26 Abstract This study looks at the sexual networks of migrant women from the Serere ethnic group in Senegal, West Africa. These women were identified as likely to be at risk of high rates of sexual networking (having relations with multiple sex partners), a high risk practice for HIV infection, …
Bagchi, Ann Working paper no. 1998-27