For additional and updated information, please contact the principal investigator at the following address:

Alberto Palloni, Professor of Sociology
Center for Demography and Ecology, University of Wisconsin - Madison
1180 Observatory Drive
Madison, WI 53706
USA

For assistance in downloading data or accessing related documentation, please contact the Data Analyst/Archivist at the Center for Demography of Health and Aging.

Please send questions, comments or suggestions to cdhadata@ssc.wisc.edu.