More narrowly, two limitations apply to this paper’s estimates for 2004 through 2006. First, the NCHS has not yet published final death rates for 2005 or either preliminary or final death rates for 2006. This paper’s estimates of excess mortality for 2005 and 2006 accordingly apply NCHS’s preliminary death rates for 2005.
Second, the Census Bureau’s count of the number of uninsured in 2004 and subsequent years differs from prior
years because of a Census Bureau revision to the assignment of dependent coverage on the CPS. This discontinuity necessarily affects the mortality estimates in this paper, since the Census Bureau has not released modified versions of its pre-2004 data. However, this revision lowered the estimated number of uninsured adults age 25–64 by less than 1 percent. The discontinuity for this particular population accordingly does not appear large.
The Census Bureau made a larger correction to the assignment of dependent coverage on the CPS in March 2007 and released modified estimates of uninsurance based on this correction for all years covered in this report, which this paper incorporates. Accordingly, the Bureau’s more recent and larger correction is fully reflected in all the analysis presented here.
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Uninsured and Dying Because of It: Updating the Institute of Medicine Analysis on the Impact of Uninsurance on Mortality