Aggregate Changes in Severe Cognitive Impairment Among Older Americans: 1993 and 1998. The Journals of Gerontology: Social Sciences. 2001;56B(2):S100-11..
Another Look at Aggregate Changes in Severe Cognitive Impairment: Further investigation into the cumulative effects of three survey design issues. The Journals of Gerontology: Social Sciences. 2002;57B(2):S126-31..
Asking Leading versus Neutral Questions: Implications for functional limitation measurement. Journal of Aging and Health. 2003;15(4):661-87..
Disability and Home Care Dynamics Among Unmarried Older Americans. The Journals of Gerontology: Social Sciences. 2004;59B(1):S25-S33..
Effect of Childlessness on Nursing Home and Home Health Care Use. Journal of Aging and Social Policy. 2003;15(1):33-53..
Resolving Inconsistencies in Trends in Old-Age Disability: Report from a technical working group. Demography. 2004;41(3):417-441.
Trends in Medication Use And Functioning Before Retirement Age: Are They Linked?. Health Affairs. 2003;22(4)..