References - People without Health Insurance
Work in process - projected publication date - Friday, Feb 1, 2008.
Main Source of the Data (See table 6 and tables C.):
Income, Poverty, and Health Insurance Coverage in the United States: 2006
Other Census Bureau links on Health Insurance
Articles on the difference between the Census-CPS and CDC-NHIS numbers:
http://aspe.hhs.gov/health/reports/hiestimates.htm
http://www.nihcm.org/~nihcmor/pdf/NIHCMPrimer06FINAL.pdf
http://www.kff.org/uninsured/upload/7553.pdf
http://www.cbo.gov/ftpdocs/42xx/doc4210/05-12-Uninsured.pdf