Calif Welfare to Work

September 2003 Health Insurance Coverage in the United States: 2002 Source of Estimates; Statistical Accuracy The estimates in this report are based on data collected by the 2003 Current Population Survey (CPS) Annual Social and Economic Supplement (ASEC was formerly called the Annual Demographic Supplement or the March Supplement) conducted by the U.S. Census Bureau. As with all surveys, the estimates may differ from the actual values because of sampling variation or other factors. All statements in this report have undergone statistical testing, and all comparisons are significant at the 90-percent confidence level unless otherwise noted. For further . . .