Among Older Adults, Uninsured Have Significantly Higher Mortality Rates* Percent of 55–64 year olds dying over eight-year period Notes: Analysis included adults age 55 to 64. Results are adjusted for individual characteristics using a propensity score matching technique. *Differences in mortality rates between uninsured and insured are statistically significant at p≤0.01. Source: J. M. McWilliams, A. M. Zaslavsky, E. Meara et al., "Health Insurance Coverage And Mortality Among The Near-Elderly," Health Affairs, July/August 2004 23(4):223–233.