Study Search Results Your query returned 4 results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Kaiser Permanente Study of the Oldest Old, 1971-1979 and 1980-1988: [California] (ICPSR 4219) Haan, Mary N.; Rice, Dorothy P.; Quesenberry, Charles P.; et al. 2. National Health Interview Survey, 1994: Second Longitudinal Study on Aging, Wave 3, 2000 (ICPSR 3807) United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics 3. National Social Life, Health, and Aging Project (NSHAP): Wave 1 (ICPSR 20541) Waite, Linda J.; Laumann, Edward O.; Levinson, Wendy; et al. 4. National Social Life, Health, and Aging Project (NSHAP): Wave 2 and Partner Data Collection (ICPSR 34921) Waite, Linda J.; Cagney, Kathleen; Dale, William; et al.