Key points are not available for this paper at this time.
*The Ohio State University, Columbus, Ohio, and †University of Chicago, Chicago, Illinois Correspondence: Kristi Williams, Department of Sociology, The Ohio State University, 42 Bricker Hall, 190 N. Oval Hall, Columbus, OH 43210. E-mail: email protected. Funding for this work was provided by NIH/NIA grant 2T32AG00243 to K. Williams (NIA Specialized Training: Demography and Economics of Aging) and Alfred P. Sloan Foundation, Center on Parents, Children and Work grant 2000–6-14 to L. M. Kurina.
Williams et al. (Sun,) studied this question.