Study Search Results Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Daily In-Home Activity Metrics from the Intelligent Systems for Assessing Aging Changes (ISAAC), 2011 (ICPSR 35063) Hayes, Tamara 2. The Irish Longitudinal Study on Ageing (TILDA), 2009-2011 (ICPSR 34315) Kenny, Rose Anne 3. Medicare Health Outcomes Survey (HOS), 1998-2012 (ICPSR 23380) United States Department of Health and Human Services. Centers for Medicare and Medicaid Services 4. Swedish Adoption/Twin Study on Aging (SATSA), 1984, 1987, 1990, 1993, 2004, 2007, and 2010 (ICPSR 3843) Pedersen, Nancy L.